Kevin Nolan
@kevinolan
I'm a physicist, author of the popular-science book "Mars, A Cosmic Stepping Stone", and a proud member of The Planetary Society.
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The rocket is stacked. ✅ The Orion spacecraft with its launch abort system is stacked atop the Space Launch System rocket. Launch of the Artemis II mission around the Moon is targeted for early next year.
🌌 Her work opened up an entirely new subfield of astrophysics! Rubin was convinced that physicists would figure out what dark matter was within 10 years of her observations, but it has proven MUCH more elusive than that.
The Virgo Cluster is about 55 million light-years away from Earth, and is the nearest large collection of galaxies to our own Milky Way. Rubin captured this stunning image in "survey mode" using the 3200-megapixel LSST Camera.
A cosmic glimpse of the unprecedented visuals to come today at 11 a.m. EDT from the NSF-DOE @VRubinObs. Be sure to tune in, you won't want to miss this: bit.ly/4kWaA8y. 📸: NSF-DOE Vera C. Rubin Observatory #CaptureTheCosmos #RubinFirstLook
Introducing...your sneak peek at the cosmos captured by @NSF–@doescience Vera C. Rubin Observatory! Can you guess what regions of sky they are? This is just a peek...join us at 11am US EDT for your full First Look at how Rubin will #CaptureTheCosmos! ls.st/rubin-first-lo…
🆕 A glimpse into the distant past 👀 with the #NIRCam on board Webb! Read more: esawebb.org/images/potm250… or 🧵👇
30 seconds on Mars. Enjoy this recent look, courtesy of @MarsCuriosity, at the view from the slopes of Mt. Sharp, with the distant rim of Gale Crater on the horizon. You can imagine the quiet, thin wind, or maybe even the waves of a long-gone lake lapping an ancient shore.
We now have a petition that anyone from around the world can sign to help save NASA science and urge the United States Congress to reject the proposed 47% cut to NASA’s science programs, which is part of a 25% overall cut, before the 2026 budget is finalized. We have 57…
In July 2022, Webb revealed a breathtaking view of a region now nicknamed the Cosmic Cliffs. This glittering landscape is part of a small piece of the vast Carina Nebula Complex — where stars are born amid clouds of gas and dust. go.nasa.gov/4jJzEPl
This new image from Hubble features the galaxy LEDA 48062 in the constellation Perseus. LEDA 48062 is the faint, amorphous galaxy on the right, and it is accompanied by the disc-like galaxy UGC 8603 on the left. Read more: esahubble.org/images/potw230… 📷: ESA/Hubble & NASA, R. Tully
Quite some Cornish surf today🏄♀️ #LaunchUK #Newquay @SpaceCornwall @VirginOrbit
The first orbital satellite launch from UK soil is set for tomorrow night, with several UK-built satellites onboard. 🛰️ The launch will make the UK the first country in Europe to offer end-to-end launch services to small satellite manufacturers. ✈️ #LaunchUK | #StartMeUp
Engineers and technicians at @NASAKennedy are conducting inspections of the heat shield on @NASA_Orion following its 1.4-million-mile mission beyond the Moon and back. The heat shield endured temperatures near 5,000 degrees Fahrenheit during reentry. MORE: go.nasa.gov/3ZnXhTN
January 2023 is looking bright, and it’s also the month where we recognize Earth’s rotation (on the 8th, based on Leon Foucault’s discovery). Gazing ahead, the Moon and several planets have close encounters, and we may see a new comet. Good stuff in the skies above!
🇬🇧 #StartMeUp is the first orbital spaceflight from UK soil. Launched by @VirginOrbit with @spacegovuk, @UKSpaceCmd & @SpaceCornwall, it marks the beginning of a new era of spaceflight in the UK. 🛰️ What’s being launched? Why Cornwall? @d_p4tel explains: spacecentre.co.uk/blog-post/uk-f…
🌟 A star is born! Behind the curtain of dust and gas in these “Cosmic Cliffs” are previously hidden baby stars, now uncovered by Webb. We know — this is a show-stopper. Just take a second to admire the Carina Nebula in all its glory: nasa.gov/webbfirstimage… #UnfoldTheUniverse
✋🏼 Galactic high five! In Webb’s image of Stephan’s Quintet, we see 5 galaxies, 4 of which interact. (The left galaxy is in the foreground!) Webb will revolutionize our knowledge of star formation & gas interactions in these galaxies: nasa.gov/webbfirstimage… #UnfoldTheUniverse
Compare Webb’s Mid-Infrared (L) & Near-Infrared (R) views. Lens flares? Nope, the spikes you see are when light from bright objects like stars is bent by the edges of the telescope. They’re less prominent in mid-infrared. More on diffraction spikes: webbtelescope.org/contents/media…
Webb captured this light curve of the brightness of WASP-96 b’s parent star over time. As the planet transits the star’s disk, its light dims. Though aspects of WASP-96 b were known, Webb data adds more detail to existing measurements. We can use transits to find new planets too!
Clouds are in the forecast for exoplanet WASP-96 b! ☁️ Webb spotted the unambiguous signature of water, indications of haze & evidence for clouds (once thought not to exist there)! This is the most detailed exoplanet spectrum to date: nasa.gov/webbfirstimage… #UnfoldTheUniverse
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