#Repost @jason_kephart with @get_repost ・・・ Sun set with the night sky over Lake Huron. @puremichigan @visit_alpena @astronomypicturesdaily @astro_photography_ #astrophotography #naturephotography #lakehuron #rockportstatepark #michigan #michigandnr #stars #nightsky #nightskyphotography
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#Repost @nasasolarsystem with @get_repost ・・・ Re-post from NASA History on Twitter: 42 years ago, Voyager I captured this historic image—the first time the Earth and Moon had been photographed in the same frame. 7.25 million miles (11.66 million kilometers) from Earth, the spacecraft was directly above Mt. Everest at the time. #NASA #space #Earth #Moon
#Repost @nasasolarsystem with @get_repost ・・・ Unaware he would eventually be responsible for countless Star Wars jokes, 230 years ago today astronomer William Herschel discovered Saturn’s moon Mimas. Yes, it IS a moon. We checked. Mimas is about 129 miles (207 kilometers) wide, and made almost entirely of water ice. Its most famous crater is called Herschel, and resulted from an impact that probably nearly shattered the tiny world. Meet Mimas: go to go.nasa.gov/30mk5nv or go to the link in our bio and search "Mimas". The second image is Mimas in context. (That’s it next to the rings.) See more Cassini images of Mimas and Saturn’s other moons the link in our bio. #NASA #space #science #nature #Saturn
#Repost @maltadolphin with @get_repost ・・・ The moon as it rose this evening. Gorgeous. Had to take a photo with my humble amateur but super efficient Nikon. No telescope involved! Love this round beauty hanging in the sky 🌛. . #moonrise #moon #beautyinthesky #moonbathe #astronomy #love #space #spaceman #rocketman #tesla #universe #redmoon #nikoncoolpix #nikonphotography #bestpics #notjustaprettyface #theresmore #neverjudgeabookbyitscover
IC 1805: The Heart Nebula Image Credit & Copyright: Bray Falls Explanation: What energizes the Heart Nebula? First, the large emission nebula dubbed IC 1805 looks, in whole, like a human heart. The nebula glows brightly in red light emitted by its most prominent element: hydrogen. The red glow and the larger shape are all powered by a small group of stars near the nebula's center. In the center of the Heart Nebula are young stars from the open star cluster Melotte 15 that are eroding away several picturesque dust pillars with their energetic light and winds. The open cluster of stars contains a few bright #stars nearly 50 times the mass of our Sun, many dim stars only a fraction of the mass of our Sun, and an absent microquasar that was expelled millions of years ago. The Heart #Nebula is located about 7,500 light years away toward the constellation of Cassiopeia. Coincidentally, a small meteor was captured in the foreground during imaging and is visible above the dust pillars. At the top right is the companion Fishhead Nebula.
#Repost @nasa with @get_repost ・・・ What remains after a star explodes 💥 ? A brightly glowing field of debris, expanding outward into space. This supernova remnant, Cassiopeia A or Cas A, was imaged by our Chandra X-ray Observatory (@nasachandraxray). It's located about 11,000 light years from Earth and was also featured in Chandra's "first light" image at the start of the mission in 1999. This recent study of Cas A adds to a long collection of Chandra discoveries over the course of the telescope’s 20 years. In addition to finding the central neutron star, Chandra data have revealed the distribution of elements essential for life ejected by the explosion, clues about the details of how the star exploded, and much more. Image credit: X-ray: NASA/CXC/RIKEN/T. Sato et al.; Optical: NASA/STScI #supernova #universe #cassiopeia #nebula