A total solar eclipse occurs when the Sun, Moon, and Earth are precisely aligned.

It's one of nature's rarest and most beautiful spectacles.

Learn why this happens in the SETI Institute's free Solar Eclipse eBook.

Download it at connect.seti.org/solar-eclipse…

#SolarEclipse #Astronomy #SETIInstitute #Space #Science #Moon #Sun

💁🏻‍♀️ TIL: 🪐🔭 For the first time, astronomers have detected an #atmosphere on a rocky #planet in the habitable zone of another #star.

The super-Earth LHS 1140 b, located 50 light years away, shows signs of a #helium dominated atmosphere escaping into #space. Researchers used the WINERED #spectrograph at Las Campanas Observatory to make the ground-based #discovery.

👉 sciencealert.com/for-the-first…

#astronomy #exoplanet #superearth #habitablezone #spectrograph #lhs1140b #science #reddwarf #harvard

The ESO Call for Proposals for Period 118 has been released. Remember that we have switched to a yearly cycle.

You can submit your proposals until 22 September 2026, 12:00 CEST, for observations to be carried out between 1 May 2027 and 30 April 2028

More details: eso.org/sci/observing/phase1/p…

#astrodon #astronomy #astrophysics #space #science

If humanity establishes a permanent settlement on another planet, what human habit or mindset do you think we should leave behind on #earth ?

#astronomy #astronauts #space #science #nature #nasa

💁🏻‍♀️ TIL: ☄️🧂 A #meteorite that crashed through a #NewJersey home in 2024 contained preserved salts and organic compounds from its parent #asteroid, evidence of ancient brines interacting with #carbon #chemistry.

Researchers found amino acids and other #prebiotic #molecules in the rock. The findings offer new clues about how life’s building blocks may have been delivered to early #Earth.

👉 seti.org/news/alien-world-chem…

#space #science #astrobiology #seti #nasa #aminoacids #solarsystem #earthscience #meteor

💁🏻‍♀️ TIL: 🌍🔭 Researchers from the University of #Cambridge studied the four #planets orbiting Barnard’s Star, the closest single #star system to our own.

They found the planets are rich in #magnesium and #periclase, lack atmospheres, and orbit so close to their star that they are tidally locked with one side in constant daylight.

👉 phys.org/news/2026-07-astronom…

#astronomy #exoplanets #barnardsstar #space #science #PLATO #esa #astrophysics #solarsystem

💁🏻‍♀️ TIL: 🐭🧬 #Apollo #astronauts preferred skipping on the #Moon, a gait adults rarely use on #Earth.

Researchers found that #mice adopt the same skipping gait in simulated lunar #gravity, but lose it when their #proprioception cells are disabled. The gait may offer a useful speed stability trade off on uneven low gravity terrain.

👉 science.org/content/article/bu…

#locomotion #biomechanics #neuroscience #science #space #nasa #artemis #rodents

#PPOD: As of June 23, 2026, NASA’s Lunar Reconnaissance Orbiter (LRO) has spent an incredible 17 years orbiting the Moon, and the Lunar Reconnaissance Orbiter Camera (LROC) has been hard at work ever since.

This lunar volcano is so ideally shaped and is evidence of ancient explosive eruptions of highly silicic magmas in the Moon’s distant past. There are multiple areas on the Moon where explosive eruptions have occurred, but none is as picture-perfect as this one!

#planetaryscience #space

Are we the only intelligent civilization in the universe? 🧠

Scientists have debated this question for years, and there are many fascinating possibilities why we have yet to hear from any cosmological neighbors.

Take our Fermi Paradox Quiz and discover which cosmic theory matches your perspective.

☑️ Find the quiz at seti.outgrow.us/what-is-your-f…

#AreWeAlone #FermiParadox #SETIInstitute #Space #Astronomy #Aliens #Science

rest in peace spacebat...

#space #bat #spaceshuttle #restinpeace #rip

PRESS RELEASE
Alien World Chemistry Found Inside Meteorite That Struck New Jersey Home

On July 16, 2024, a daytime meteor shook New York City with a sonic boom as it passed just south of the Statue of Liberty. Now, an international team of researchers reports in the journal Science Advances that a short time later, a more than two-pound meteorite crashed through the roof of a house in the town of Hillsborough, New Jersey.

Learn more: seti.org/news/alien-world-chem…

#space #science

On April 8, 2024, a total solar eclipse will cross North America, passing over Mexico, the United States, and Canada. This celestial event occurs when the Moon passes between the Sun and Earth, completely blocking the face of the Sun for those located in the center of the Moons shadow. The path of totality represents the specific geographic corridor where observers can experience the total eclipse phase, offering a rare opportunity for solar research and astronomical observation. Scientific data indicates that the shadow will enter the continent at Mexicos Pacific coast and exit through Newfoundland, Canada. Accurate mapping of this trajectory is essential for safety planning and for ensuring that spectators use proper eye protection during the partial phases of this significant astronomical phenomenon.

#space #astronomy #nasa

@Space@lemmy.science.social @science@beehaw.org @science@lemmy.world @space@beehaw.org @space@lemmy.world @science@newsmast.community @space@newsmast.community @space@lemmy.ml #space #science #nasa #astronomy

💁🏻‍♀️ TIL: 🚀💻 The #ESA’s #Hera mission successfully rebooted its #spacecraft 140 million km from #Earth after uploading new flight #software.

Engineers at #OHB in #Bremen spent 18 months testing the upgrade on a replica before sending commands to the real spacecraft. Hera is now bound for #Dimorphos, the #asteroid whose orbit was altered by #NASA’s #DART mission.

👉 universetoday.com/articles/reb…

#space #didymos #engineering #science

#PPOD: Before NASA sends its DAVINCI (Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging) descent probe down through Venus’s thick atmosphere, scientists need to confirm that its cameras and instruments can do the job. To prepare, a team of DAVINCI scientists and engineers traveled to Crater Island, Utah, in late June to test the instruments from a helicopter. Credit: NASA/Mike Guinto

#planetaryscience #space #science

💁🏻‍♀️ TIL: 🐻🚀 Scientists are studying how hibernating #animals survive months without food, hoping to replicate the process in #humans for #space travel.

Researchers funded by #NASA and #ESA are testing #brain stimulation techniques like #ultrasound to trigger torpor. The work could make #Mars missions feasible and help treat Parkinson’s and stroke on #Earth.

👉 theguardian.com/science/ng-int…

#hibernation #science #medicine #astronauts #biochemistry #neuroscience #biology #squirrel #humanbody

Ten years of hide-and-seek! 🫣

Astronomers used our VLT to find a new #exoplanet orbiting the famous star Beta Pictoris — hiding in archival ESO observations spanning over a decade!

And it's shier than any exoplanet we've imaged before.

1/3

📷 ESO/B. Sutlieff, M. Bonse et al.

#astrodon #astronomy #astrophysics #space #science

SpaceX's Falcon 9 represents a significant milestone in aerospace engineering, demonstrating the viability of vertical takeoff and vertical landing technology. This long exposure captures the launch from Cape Canaveral and the subsequent controlled descent of the first stage to Landing Zone 1. By successfully recovering and refurbishing orbital class boosters, this approach dramatically reduces the cost of space access and marks a shift toward sustainable interplanetary exploration.

#spacex #rocketlaunch #spaceexploration

@Space@lemmy.science.social @science@beehaw.org @science@lemmy.world @space@beehaw.org @space@lemmy.world @science@newsmast.community @space@newsmast.community @space@lemmy.ml #space #science #nasa #astronomy

And the post-processed versions with the gradient removed, levels tweaked and noise reduced.

#space #seestar #astrophotography #astrodon

The overnight bounty off the from the city.

The fighting dragons of Ara, the Corona Australis molecular cloud, the Helix nebula and the Sculptor galaxy with globular cluster NGC 288.

These are stacks off the seestar, they’ve not been post-processed to get rid of the light pollution gradient.

#space #seestar #astrophotography #astrodon

A massive hexagonal storm at Saturn’s north pole is so vast it dwarfs the entire United States. #space

@Space@lemmy.science.social @science@beehaw.org @science@lemmy.world @space@beehaw.org @space@lemmy.world @science@newsmast.community @space@newsmast.community @space@lemmy.ml #space #science #nasa #astronomy

A new look at the Egg Nebula from NASA’s Hubble Space Telescope reveals a stunning interplay of light and shadow 1,000 light-years away in the constellation Cygnus. Thick clouds of dust veil a central star, while recently expelled material creates a glowing landscape that offers scientists a rare look at how aging stars reshape their surroundings.

Credit: NASA, ESA, Bruce Balick (University of Washington)

@Space@lemmy.science.social @science@beehaw.org @science@lemmy.world @space@beehaw.org @space@lemmy.world @science@newsmast.community @space@newsmast.community @space@lemmy.ml #space #science #nasa #astronomy

Machine learning is making an impact in space exploration. But how does AI play a role in astronomical discoveries? How are astronomers using AI? And honestly… is AI really useful without the human astronomers themselves? Isabel Angelo has some thoughts here. Watch Athena's latest video: youtube.com/shorts/0wQFAvfWwh8…

#space #science

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#PPOD: NASA's Juno mission provides new maps of the giant planet Jupiter. This is a cylindrical composite map from Juno's 9th close pass by Jupiter. Juno is in a highly elliptical, near-polar orbit, so on each orbit JunoCam takes well-resolved images within just a few hours around closest approach, which is called perijove (PJ). Credit: NASA / JPL / SwRI / MSSS / Gerald Eichstädt / John Rogers

#space #science

#Introduction
How should I introduce us?

We are an independent French small collective helping to develop and promote musical culture: concerts, production, recordings, promotion, etc.

This is an unofficial profile.. we’re sort of on vacation here on #Mastodon. So, our interests are numerous and varied.

Here is a non-exhaustive list of keywords:

#art #culture #music
#literature #photography
#history #science
#earth #space
#sciencefiction
#reader #writer #blogger
#retro #vintage

Kind of #geek about:
#linux #opensource
#MSDOS #DOSGaming #CPM
#retrogaming #retrocomputing #oldcomputers #BBS

#gaming #videogames
#gamedev #indiegamedev #indiedev

I mainly play:
#rpg #dnd #mmorpg #rogue #nethack #roguelike #tetris

Everyone is Welcome! 🖖😎
Friendly and respectful.

#Peace, #LoVe & #Music

Feel free to spread the word by a retoot. Merci beaucoup! :0)

@solarphasing run this profile on #Mastodon #fediverse since 2017.

Lunar exploration enters a new era with this high-resolution observation of Shackleton Crater captured by ShadowCam. Situated at the lunar south pole, the interior of this crater remains in permanent shadow, serving as a cold trap for volatile compounds such as water ice. By utilizing earthshine and sunlight reflected from nearby crater rims, ShadowCam provides unprecedented visibility into these dark regions, offering critical data for future Artemis missions and our understanding of lunar resource distribution.

#space #astronomy #nasa

@Space@lemmy.science.social @science@beehaw.org @science@lemmy.world @space@beehaw.org @space@lemmy.world @science@newsmast.community @space@newsmast.community @space@lemmy.ml #space #science #nasa #astronomy

Comet C/2021 T4 Lemmon has reached peak visibility as it traverses the inner solar system. Characterized by a distinct emerald coma resulting from the sublimation of dicarbon molecules, this celestial object provides vital data for astronomers studying the early chemical composition of our neighborhood. Current observations indicate a strengthening ion tail as the comet interacts with solar radiation and stellar winds. Visible through binoculars under dark sky conditions, Comet Lemmon serves as a significant reminder of the dynamic nature of orbital mechanics and the preservation of volatile materials since the formation of the solar system. Observing these phenomena allows researchers to better understand the evolutionary processes of cometary nuclei and their historical role in Earths atmospheric development.

#space #astronomy #astrophysics

@Space@lemmy.science.social @science@beehaw.org @science@lemmy.world @space@beehaw.org @space@lemmy.world @science@newsmast.community @space@newsmast.community @space@lemmy.ml #space #science #nasa #astronomy

This image highlights the Lemon Tree nebula, a cosmic structure shaped by stellar winds and ionized gas. Located within a fertile star-forming region, these nebulous formations provide critical insights into the lifecycle of high-mass stars and the chemical enrichment of the interstellar medium. Observations of such deep-sky objects allow astronomers to map the distribution of elements necessary for planetary evolution.

#space #astronomy #astrophysics

@Space@lemmy.science.social @science@beehaw.org @science@lemmy.world @space@beehaw.org @space@lemmy.world @science@newsmast.community @space@newsmast.community @space@lemmy.ml #space #science #nasa #astronomy

A new study suggests that the interstellar comet 3I/ATLAS may be as old as 12 billion years. This result is especially remarkable because 3I/ATLAS is only the third confirmed interstellar object ever discovered, meaning it came from another planetary system.

Learn more: seti.org/news/a-remarkably-anc…

#science #space

Archived link

Erythrulose, a sugar found in raspberries, kiwis and many red fruits, also apparently exists in a giant molecular cloud of gas and dust near the center of our galaxy, some 26,745 light-years from Earth. This marks the first time a sugar has been seen in interstellar space. The results have been published in Nature Astronomy

NGC 3628, more commonly known as the Hamburger Galaxy, is a prominent edge-on spiral galaxy located approximately 35 million light-years away in the constellation Leo. This detailed portrait highlights the galaxy's expansive galactic disk, which is bifurcated by thick, dark lanes of cosmic dust that obscure the light from its dense stellar population. Unlike other members of the Leo Triplet, NGC 3628 exhibits a notable tidal tail and a flared disk, features that provide critical evidence of past gravitational interactions with its neighboring galaxies, M65 and M66. Observation of these morphological distortions allows astronomers to study the dynamics of galactic evolution and the long-term effects of intergalactic tidal forces.

#space #astronomy

@Space@lemmy.science.social @science@beehaw.org @science@lemmy.world @space@beehaw.org @space@lemmy.world @science@newsmast.community @space@newsmast.community @space@lemmy.ml #space #science #nasa #astronomy

SPACE SUGAR

AP: In a sweet discovery, astronomers find sugar lurking in the space between stars

apnews.com/article/erythrulose…

#sugar #space #astronomy

#PPOD: This image is quite extraordinary, and it's not the big disk that's attracting the most attention. Although the planet PDS 70c (just inside the disk) is newly formed and, interestingly, similar in size and mass to Jupiter, it's the fuzzy patch around it that's causing the commotion. That fuzzy patch is thought to be itself a dusty disk that is now forming into moons -- and that has never been seen before. Credit: ALMA (ESO/NAOJ/NRAO)/Benisty et al.

#space #science

Small but mighty!

As the Sun sets, the MPG/ESO 2.2-metre telescope at ESO's La Silla Observatory opens its eye, preparing to peer beyond its shiny dome into the sky above.

Don’t let its small size fool you! Though 2.2-metre may be modest by today’s standards, it still does a lot of excellent work.

Discover what this telescope explores: eso.org/public/images/potw2628…

📷 L. Sbordone/ESO

#astrodon #astronomy #astrophysics #space #science

Meet the pioneers returning humanity to the moon. NASA just announced the Artemis 3 crew for the July 9, 2026, lunar mission: Commander Randy Bresnik, Pilot Luca Parmitano, and Mission Specialists Frank Rubio and Andre Douglas. History is in the making. #space #nasa

@Space@lemmy.science.social @science@beehaw.org @science@lemmy.world @space@beehaw.org @space@lemmy.world @science@newsmast.community @space@newsmast.community @space@lemmy.ml #space #science #nasa #astronomy

The lunar module Challenger remains a pinnacle of aerospace engineering, serving as the critical descent and ascent vehicle for the Apollo 17 mission in 1972. This spacecraft enabled Commander Eugene Cernan and Lunar Module Pilot Harrison Schmitt to conduct the final manned exploration of the lunar surface during the twentieth century. Captured in high resolution, the image highlights the complex thermal protection systems and structural design required to maintain atmospheric integrity in the lunar vacuum. Such missions provided foundational data on lunar geology and cratering history that continue to inform modern planetary science and future Artemis mission planning.

#space #astronomy #nasa

@Space@lemmy.science.social @science@beehaw.org @science@lemmy.world @space@beehaw.org @space@lemmy.world @science@newsmast.community @space@newsmast.community @space@lemmy.ml #space #science #nasa #astronomy

The grand design spiral galaxy NGC 1232, located approximately 60 million light years away in the constellation Eridanus, serves as a quintessential example of galactic structural evolution. This deep space image reveals a complex tapestry of millions of luminous stars and dark interstellar dust, organized into sweeping spiral arms that rotate around a central nucleus. The blue tints signify the presence of massive, young star clusters, while the reddish older stars dominate the galactic core. Observations of NGC 1232 and its distorted companion galaxy provide critical data for astrophysicists studying the gravitational dynamics and dark matter distributions that govern the movement of visible matter within the universe.

#space #astronomy #astrophysics

@Space@lemmy.science.social @science@beehaw.org @science@lemmy.world @space@beehaw.org @space@lemmy.world @science@newsmast.community @space@newsmast.community @space@lemmy.ml #space #science #nasa #astronomy

Rigel, the luminous blue supergiant anchoring the constellation Orion, serves as a primary celestial beacon for understanding stellar evolution. This massive star, roughly 70,000 times more luminous than the Sun, is surrounded by intricate nebulae that reflect its intense ultraviolet radiation. The surrounding dust clouds, such as the Witch Head Nebula, illuminate the complex relationship between high-mass stars and the interstellar medium. Observations of Rigel provide critical data on the lifecycle of massive stars destined to conclude in catastrophic supernova events.

#space #astronomy #astrophysics

@Space@lemmy.science.social @science@beehaw.org @science@lemmy.world @space@beehaw.org @space@lemmy.world @science@newsmast.community @space@newsmast.community @space@lemmy.ml #space #science #nasa #astronomy

💁🏻‍♀️ ICYMI: 🚀🛰️ #Astronauts on months long missions cannot rely on stored #oxygen canisters because they are too heavy and expensive to launch.

Instead the #ISS uses advanced #engineering to recycle its life support resources. This animated #lesson explains how engineering processes like #electrolysis keep the crew breathing safely in #microgravity.

👉 Learn more: seethis.tv/post/how-does-iss-n…

#air #animation #carbondioxide #co2 #gas #physics #science #space #technology #tech #teded #water #nasa #aerospace #exploration #tksst #video

The majesty of the Milky Way galaxy as seen from our terrestrial perspective provides a profound look into the structure of our celestial neighborhood. This view captures the dense galactic core, a region heavily concentrated with stars, gas clouds, and cosmic dust that obscures background light. By observing the distinct glow and dark nebulae within the galactic plane, researchers can better understand stellar evolution and the gravitational dynamics that shape spiral galaxies. NASA Astronomy Picture of the Day.

#space #astronomy #nasa

@Space@lemmy.science.social @science@beehaw.org @science@lemmy.world @space@beehaw.org @space@lemmy.world @science@newsmast.community @space@newsmast.community @space@lemmy.ml #space #science #nasa #astronomy

#ICYMI: On this week's #SETILive, Moiya and her guests discussed the effects of UV radiation on an exoplanet's atmosphere, using both observations and lab testing, and why this work is important for the search for life. Watch the full interview: youtube.com/live/_Rnj_C7VcWQ

#space #science

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Located approximately 7,500 light-years away in the constellation Carina, this vast star-forming region showcases the complex interplay between stellar winds and interstellar gas. High-energy ultraviolet radiation from massive stars carves intricate structures out of cold molecular hydrogen, creating astronomical pillars and dark dust lanes. These environments serve as critical laboratories for studying the life cycles of stars and the chemical enrichment of the interstellar medium. Through long-exposure narrowband imaging, the Carina Nebula North reveals the ionization processes that drive the evolution of galactic structures within our local universe. #Astronomy #Astrophysics #NASA #StellarEvolution

#astronomy #astrophysics #nasa

@Space@lemmy.science.social @science@beehaw.org @science@lemmy.world @space@beehaw.org @space@lemmy.world @science@newsmast.community @space@newsmast.community @space@lemmy.ml #space #science #nasa #astronomy

Dr. B. Sargent studies the evolution of protoplanetary and debris disks into planetary systems, as well as mass loss from evolved stars, learning how mass is produced by evolved stars and other sources and consumed during star formation.

#Physics #Astronomy #Space #Science #SETI #NotJustAliens

A cosmic smile highlights this Hubble Space Telescope view of galaxy cluster SDSS J1038+4849. Situated 4.5 billion light-years away, the cluster’s massive gravity bends light into glowing arcs that perfectly resemble a happy face.

Image credit: NASA / ESA / Hubble

@Space@lemmy.science.social @science@beehaw.org @science@lemmy.world @space@beehaw.org @space@lemmy.world @science@newsmast.community @space@newsmast.community @space@lemmy.ml #space #science #nasa #astronomy

These images are part of a series of authentic photographs captured inside some of the most breathtaking cave systems on New Zealand’s North Island.

The glowing blue organisms seen here are Arachnocampa luminosa, commonly known as New Zealand glowworms, a species found nowhere else on Earth. Their distinctive blue bioluminescence is produced through a chemical reaction within their bodies and is used to lure insects into silk strands that hang from cave ceilings like natural traps.

As visitors move through the caves, the glowworms shift position and their brightness subtly fluctuates, creating a dynamic, star-like display that makes the experience visually stunning and immersive.

Photographed by @txmrae

@Space@lemmy.science.social @science@beehaw.org @science@lemmy.world @space@beehaw.org @space@lemmy.world @science@newsmast.community @space@newsmast.community @space@lemmy.ml #space #science #nasa #astronomy

💁🏻‍♀️ ICYMI: 🚀🛰️ #Astronauts on months long missions cannot rely on stored #oxygen canisters because they are too heavy and expensive to launch.

Instead the #ISS uses advanced #engineering to recycle its life support resources. This animated #lesson explains how engineering processes like #electrolysis keep the crew breathing safely in #microgravity.

👉 Learn more: seethis.tv/post/how-does-iss-n…

#air #animation #carbondioxide #co2 #gas #physics #science #space #technology #tech #teded #water #nasa #aerospace #exploration #tksst #video

The twilight phenomenon captured in this image occurs when unburned propellant particles and water vapor in a rocket plume expand in the thin upper atmosphere. As the launch vehicle reaches high altitudes, these particles are illuminated by sunlight from beyond the horizon, creating a brilliant glowing effect against the dark sky. This specific observation of a SpaceX Falcon 9 launch highlights the intersection of aerospace engineering and atmospheric optics, demonstrating how orbital dynamics and solar geometry combine to create visible structural formations in the exosphere.

#spacex #rocketlaunch #spaceexploration

@Space@lemmy.science.social @science@beehaw.org @science@lemmy.world @space@beehaw.org @space@lemmy.world @science@newsmast.community @space@newsmast.community @space@lemmy.ml #space #science #nasa #astronomy

Think you know solar eclipses?

Here are five incredible facts that might surprise you.

From disappearing daylight to Einstein's groundbreaking discovery, there's far more to eclipses than meets the eye.

#SolarEclipse #Astronomy #Space

On September 25, 2025, Saturn reaches opposition, which occurs when Earth passes directly between the ringed planet and the Sun. From our perspective, this geometric alignment places Saturn 180 degrees from the Sun, making the planet visible throughout the night and causing it to appear at its brightest and largest for the year. This event provides an optimal window for astronomical observation, as the Seeliger effect enhances the brightness of the ice particles within the rings, significantly increasing their reflectivity during the opposition period.

#space #astronomy #astrophysics

@Space@lemmy.science.social @science@beehaw.org @science@lemmy.world @space@beehaw.org @space@lemmy.world @science@newsmast.community @space@newsmast.community @space@lemmy.ml #space #science #nasa #astronomy