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First post over here after leaving the bin fire that was twitter. Now need to try and find all the Astrophotographers over here to connect with, all recommendations greatfully received. #Astrophotography #Space #Nebula #Astronomy


β€œThe universe is expanding, and faster now than it did in the past. Scientists don't know why, but the leading explanation is that the universe contains something that has a repulsive gravitational effect - it pushes the universe apart instead of pulling it back together. This phenomenon is called dark energy.”

- NASA, image by the Euclid European #Space Agency telescope ✨


But now these images of Mars in 4K with Kennedy’s words lingering in the background are making my day a majestic finale to an odd week. #mars #rover #space


The amazing helicopter on Mars, Ingenuity, will fly no more


Sad News

#Mars #Space #Ingenuity #News #ArsTechnica


SpaceX Starlink satellites photobombed my northern lights photos in Iceland!

#space #science #spacex #astrodon #womeninstem

https://www.youtube.com/watch?v=7hTnctQLCIk


Wow, this @xkcd is really excellent.

#Space tip: if you’re ever lost in the inner #solar system, you can just type out the phrase β€œOptimistic #Aliens measure space typographically” in times new roman and use the dots as a #map

πŸ˜…

from: https://xkcd.com/2863/

#Astronomy #Meme #Mastodon


Data from the Kepler #space telescope suggest there may be as many as 300 million potentially habitable planets in our galaxy alone.

We may never have evidence proving whether intelligent life is somewhere out there, but - as Carl Sagan once wrote, β€œIf it’s just us, seems like an awful waste of space.”


This dead star is bursting back to life


It would appear that a distant star has sprung back to life after its explosive death, blasting out repeated energetic flares over a period of several months that are like nothing astronomers have seen before.


Not Dead Yet.... Twas But A Flesh Wound?

#Space #Astronomy #CosmicPuzzle


For decades, astronomers have dreamed of setting up an observatory on the far side of the Moon. I read about it as a kid. Now it's happening!

The LuSEE-Night radio telescope is under construction, and is scheduled to land on the lunar farside in 2025. It's a pathfinder for a much bigger radio telescope that would follow. https://newscenter.lbl.gov/2023/09/26/listening-to-the-radio-on-the-far-side-of-the-moon/ #space #nasa #science


This new image from the James Webb #Space Telescope shows the spectacular Orion Nebula, packed with thousands of budding stars at ~1,300 light-years away.


Born in 1928, Vera Rubin set her sights on Princeton, but they wouldn’t accept female grad students in astronomy. So she earned her master’s from Cornell & PhD from Georgetown.

In 1965, Rubin became the 1st woman allowed to observe at the Palomar Observatory. She went on to find evidence for the existence of dark matter.

In 1993, Rubin was awarded the National Medal of Science. But curiously, she was not awarded a Nobel Prize. https://www.themarginalian.org/2016/04/18/vera-rubin-interview-women-in-science/ #HistoryRemix #science #space #history



This is the kind of new #streaming #video service I like to see... πŸš€

https://www.theverge.com/2023/7/28/23811235/nasa-plus-streaming-service-announce

#space #astronomy #nasa


I've seen a lot of pictures of Saturn, but there's something really magical about this new raw image from JWST.
Pixel noise + filter selection make the planet vanish -- just a set of rings floating in space.
#space #science #NASA


Our sun is big. It’s 864,000 miles or 1,392,000 km in diameter. Or 109x wider than Earth. But it’s also an average sized star.

Some stars are much bigger.

Betelgeuse, in the constellation Orion, is a red supergiant star ~700x the size of the sun.

If we replaced our sun with Betelgeuse, it would stretch past Jupiter's orbit. https://universe.nasa.gov/news/237/what-is-betelgeuse-inside-the-strange-volatile-star/ #space #science


Born in India in 1962, Dr. Kalpana Chawla became the first Indian woman in #space in 1997.

In 2003, she was on the Columbia, when insulation broke off, depressurizing the shuttle. All 7 crew members died.

7 asteroids + 7 hills on Mars were named after them.
https://www.space.com/17056-kalpana-chawla-biography.html #HistoryRemix #science

β€œWhen you look at the stars & the galaxy, you feel that you are not just from any particular piece of land, but from the solar system." - Chawla, 1997


In honor of #StarWarsDay, a look at space food from an episode of Serving Up Science: https://youtu.be/XyJGyOJf8e0 #StarWars #space #food (We had fun making this one).

May the Fourth Be With You!


Like a flooded river full of ice slabs, only they are rocks on Mars.

Processed cropped MCZ_LEFT, FL: 34mm
Sol: 732, RMC: 36.3294, LMST: 16:13:53
Original: https://mars.nasa.gov/mars2020-raw-images/pub/ods/surface/sol/00732/ids/edr/browse/zcam/ZL0_0732_0731937153_521EBY_N0363294ZCAM08741_0340LMJ01.png
Credit: #NASA/JPL-Caltech/ASU/65dBnoise

#Perseverance #Mars2020 #Solarocks #Space


The history of Earth as the length of a human’s outstretched arm - representing 4.5 billion years of time.

At this scale, humans emerged so recently that we could be filed off from a microscopic slice at the very tip of a fingernail.

Infographic by Katie Scott from original article in Nautilus. Details at https://ncse.ngo/deep-time-really-really-deep-man #space #time #science #SharedPlanet


If we calculate how many grains are in a teaspoon of sand (an average) & multiply that by the amount of sand estimated on every beach & desert in the world, we get (roughly) seven quintillion, five hundred quadrillion grains of sand on Earth. https://www.npr.org/sections/krulwich/2012/09/17/161096233/which-is-greater-the-number-of-sand-grains-on-earth-or-stars-in-the-sky #space #science

Meanwhile, there are ~70 thousand million, million, million stars in the observable universe - a figure vastly surpassing all of those grains of sand. The universe is immense, breathtaking & beyond imagination ✨


I've been following @APoD for a while now and every time they post one of those gorgeous #space pics my brain just can't process that this is really how incredible space is. #Andromeda #galaxy


Happy that the first exoplanet discovered accidentally by Dale Frail and Aleksander Wolszczan in 1992 is included. They were not even mentioned when other #astronomers were awarded the Nobel prize for the discovery of exoplanets. And yet the discovery ended up showing exoplanets can show up in strange places.

#space #astronomy #planets


As of March 2023, 72 #women have flown in #space.

Of these, 44 have worked on the International Space Station as long-duration expedition crewmembers, as visitors on space shuttle assembly flights, or as space flight participants on short-duration missions.

Learn more about these inspiring pioneers from around the world: https://www.nasa.gov/feature/womens-history-month-2023-celebrating-women-astronauts #science #history #HistoryRemix


In 1977, NASA began looking for women astronauts.

Sally Ride spotted an ad about it in the Stanford school newspaper & applied. She was one of six women chosen.

In 1983, Ride became the first American woman to travel into #space. Her role as a mission specialist was to work a robotic arm to move satellites.

Ride went on to teach at UC San Diego & worked to promote women & girls in STEM. She also wrote children’s books about exploring space. https://www.nasa.gov/audience/forstudents/5-8/features/nasa-knows/who-was-sally-ride-58.html #HistoryRemix


I’m always amused that when referring to the behaviour of objects that are very far away, as in the 1,900 light years here, we use the present tense πŸ˜†
#space #nasa


β€œThere is perhaps no better demonstration of the folly of human conceits than this distant image of our tiny world. To me, it underscores our responsibility to deal more kindly with one another, and to preserve and cherish the pale blue dot, the only home we've ever known.”

β€” Carl Sagan, Pale Blue Dot, 1994 https://www.planetary.org/worlds/pale-blue-dot #science #space


The Lycée Français de la Nouvelle-Orléans is housed in the Ronald E. McNair Building on Carrollton Avenue in New Orleans.
#nola #neworleans #Louisiana #science #education #space #nasa #blackhistorymonth


NASA doesn’t usually allow animals in portraits.

But in 2009, astronaut Leland Melvin snuck his adorable rescue dogs, Jake & Scout, into Johnson #Space Center for his official picture.

In addition to going on 2 space missions, Melvin had been drafted into the NFL. He’s now an advocate for STEAM education & animal welfare. https://www.lelandmelvin.com

Sadly, Jake & Scout passed away, but when Melvin published his 2017 memoir Chasing Space, he chose this wonderful photo for the cover. #HistoryRemix


There’s more on losing the stars today from @sciencemagazine & the news isn’t encouraging:

β€œLight pollution is drowning the starry night sky faster than thought” https://www.science.org/content/article/light-pollution-drowning-starry-night-sky-faster-thought #space #svience #nature /2


πŸš€ #Nasa has greatly expanded its #software package, which is #free for users to download and use. Over 800 programs are now available for free.

https://software.nasa.gov/

#science #space #opensource #openscience


In 1952, Katherine Johnson heard there were open positions at the all-Black West Area Computing section at the National Advisory Committee for Aeronautics’ (later NASA) Langley laboratory.

With far too many accomplishments to list, her work was fundamental to marking a turning point in the space race with the Soviet Union. https://www.nasa.gov/content/katherine-johnson-biography

In 2015, President Obama awarded Johnson the Presidential Medal of Freedom. She passed away in 2020 at 101. #history #space #HistoryRemix

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