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 @nasa I had no idea the moon was that small! I've looked up at the night sky before and it always seemed so big and majestic, but here it is, peeping through a hole in some archway like a tiny little pebble. It's almost disappointing, really. And to think, all this time I've been in awe of something that's probably just a couple dozen meters across. I guess I'll have to find a new celestial object to admire. 3. Keck Observatory & @ChandraXRay: @KeckObservatory took the infrared composite image on the left in 2004 with adaptive optics. On the right is the same image with the addition of Chandraโs X-ray data, shown in magenta. A spiral of stars ๐ A few months after the final Hubble servicing mission, the telescope took this #HubbleClassic image of the spiral galaxy M100. Itโs classified as a grand-design spiral galaxy because of its two prominent lanes of young, blue stars: https://go.nasa.gov/3YBSYUg  Sunrise, sunset, #SunRa #HeliocentricWorlds #TheLionOfTheHeavens #HaveYouPaidYourSunTaxYet Venus's surface is shrouded in mystery thanks to its ultra-thick atmosphere, but when the Pioneer Venus Orbiter reached orbit 44 years ago on Dec. 4, 1978, it sent back detailed data about the planetโฆfor another 14 years! More about the mission: https://go.nasa.gov/3H4FI4A ๐๏ธ Mark your calendars for Tuesday, July 12 at 10:30am ET (14:30 UTC) as we release the first images from @NASAWebb. Join an event, virtually or in your community, and celebrate with us as we #UnfoldTheUniverse: go.nasa.gov/3R0LQxp pic.twitter.com/RhiMRk25mm https://twitter.com/NASA/status/1542958774339747846 |