PostsCommentsPayoutsiotman (3)in #science • 19 hours ago🌌 SpacePicture of a Day: NGC 147 and NGC 185 🪐Dwarf galaxies NGC 147 (left) and NGC 185 stand side by side in this deep telescopic portrait. The two are not-often-imaged satellite galaxies of M31, the great spiral Andromeda…iotman (3)in #science • 2 days ago🌌 SpacePicture of a Day: The Bay of Rainbows 🪐Dark, smooth regions that cover the Moon's familiar face are called by Latin names for oceans and seas. That naming convention is historical, though it may seem a little ironic…iotman (3)in #science • 3 days ago🌌 SpacePicture of a Day: A Year of Sunspots 🪐How many sunspots can you see? The central image shows the many sunspots that occurred in 2025, month by month around the circle, and all together in the grand central image.…iotman (3)in #science • 5 days ago🌌 SpacePicture of a Day: Miranda Revisited 🪐What is Miranda really like? Visually, old images from NASA's Voyager 2 have been recently combined and remastered to result in the featured image of Uranus's 500-kilometer-wide…iotman (3)in #science • 6 days ago🌌 SpacePicture of a Day: Active Sunspot Region 4366 Crosses the Sun 🪐An unusually active sunspot region is now crossing the Sun. The region, labelled AR 4366, is much larger than the Earth and has produced several powerful solar flares over the…iotman (3)in #science • 7 days ago🌌 SpacePicture of a Day: Crescent Enceladus 🪐Peering from the shadows, the Saturn-facing hemisphere of tantalizing inner moon Enceladus poses in this Cassini spacecraft image. North is up in the dramatic scene captured…iotman (3)in #science • 8 days ago🌌 SpacePicture of a Day: Supernova Remnant Cassiopeia A 🪐Massive stars in our Milky Way Galaxy live spectacular lives. Collapsing from vast cosmic clouds, their nuclear furnaces ignite and create heavy elements in their cores. After…iotman (3)in #science • 10 days ago🌌 SpacePicture of a Day: Spiral Galaxy NGC 1512: Wide Field 🪐Most galaxies don't have any rings -- why does this galaxy have three? To begin, a ring that's near NGC 1512's center -- and so hard to see here -- is the nuclear ring which…iotman (3)in #science • 11 days ago🌌 SpacePicture of a Day: Red Spider Planetary Nebula from Webb 🪐Oh what a tangled web a planetary nebula can weave. The Red Spider Planetary Nebula shows the complex structure that can result when a normal star ejects its outer gases and…iotman (3)in #science • 13 days ago🌌 SpacePicture of a Day: Galle: Happy Face Crater on Mars 🪐Mars has put on a happy face. The Martian crater Galle is famous because it has internal markings that make it look like a face that is both smiling and winking. These markings…iotman (3)in #science • 14 days ago🌌 SpacePicture of a Day: Artemis I: Flight Day 13 🪐On flight day 13 (November 28, 2022) of the Artemis 1 mission, the Orion spacecraft reached its maximum distance from Earth. At over 430,000 kilometers from Earth, its distant…iotman (3)in #science • 15 days ago🌌 SpacePicture of a Day: NGC 1333: Stellar Nursery in Perseus 🪐NGC 1333 is seen in visible light as a reflection nebula, dominated by bluish hues characteristic of starlight reflected by interstellar dust. A mere 1,000 light-years distant…iotman (3)in #science • 16 days ago🌌 SpacePicture of a Day: NGC 2442: Galaxy in Volans 🪐Distorted galaxy NGC 2442 can be found in the southern constellation of the flying fish, (Piscis) Volans. Located about 50 million light-years away, the galaxy's two spiral arms…iotman (3)in #science • 18 days ago🌌 SpacePicture of a Day: Orion's Treasures over Snowy Mountains 🪐Rising over a frozen valley in the Tatra Mountains, the familiar stars and nebulas of Orion dominate this wide-field nightscape. The featured deep photo was taken in southern…iotman (3)in #science • 19 days ago🌌 SpacePicture of a Day: NGC 55: A Galaxy of Nebulas 🪐Can you see nebulas in other galaxies? Yes, some nebulas shine brightly enough -- if you know how to look. Clouds of hydrogen and oxygen emit light at very specific colors, and…iotman (3)in #science • 20 days ago🌌 SpacePicture of a Day: Phobos: Doomed Moon of Mars 🪐This moon is doomed. Mars, the red planet named for the Roman god of war, has two tiny moons, Phobos and Deimos, whose names are derived from the Greek for Fear and Panic. These…iotman (3)in #science • 21 days ago🌌 SpacePicture of a Day: Earthset from Orion 🪐ght billion people are about to disappear in this snapshot from space taken on 2022 November 21. On the sixth day of the Artemis I mission, their home world is setting behind the…iotman (3)in #science • 22 days ago🌌 SpacePicture of a Day: Planetary Nebula Abell 7 🪐Very faint planetary nebula Abell 7 is about 1,800 light-years distant. It lies just south of Orion in planet Earth's skies toward the constellation Lepus, The Hare. Posing with…iotman (3)in #science • 23 days ago🌌 SpacePicture of a Day: LDN 1622: Dark Nebula in Orion 🪐The silhouette of an intriguing dark nebula inhabits this cosmic scene. Lynds' Dark Nebula (LDN) 1622 appears against a faint background of glowing hydrogen gas only visible in…iotman (3)in #science • 24 days ago🌌 SpacePicture of a Day: Barred Spiral Galaxy NGC 1365 from Webb 🪐A mere 56 million light-years distant toward the southern constellation Fornax, NGC 1365 is an enormous barred spiral galaxy about 200,000 light-years in diameter. That's twice…
