iotman (59)in #science • 21 hours ago🌌 SpacePicture of a Day: IXPE Explores a Black Hole Jet 🪐How do black holes create X-rays? Answering this long-standing question was significantly advanced recently with data…iotman (59)in #science • 2 days ago🌌 SpacePicture of a Day: M1: The Incredible Expanding Crab 🪐Cataloged as M1, the Crab Nebula is the first on Charles Messier's famous list of things which are not comets. In…iotman (59)in #science • 3 days ago🌌 SpacePicture of a Day: Galaxy Wars: M81 versus M82 🪐In the upper left corner, surrounded by blue arms and dotted with red nebulas, is spiral galaxy M81. In the lower…iotman (59)in #science • 5 days ago🌌 SpacePicture of a Day: Planet Lines Across Water 🪐What’s causing those lines? Objects in the sky sometimes appear reflected as lines across water — but why? If the…iotman (59)in #science • 6 days ago🌌 SpacePicture of a Day: Spin up of a Supermassive Black Hole 🪐How fast can a black hole spin? If any object made of regular matter spins too fast -- it breaks apart. But a black…iotman (59)in #science • 7 days ago🌌 SpacePicture of a Day: Titan: Moon over Saturn 🪐Like Earth's moon, Saturn's largest moon Titan is locked in synchronous rotation with its planet. This mosaic of…iotman (59)in #science • 8 days ago🌌 SpacePicture of a Day: Young Star Cluster NGC 346 🪐The most massive young star cluster in the Small Magellanic Cloud is NGC 346, embedded in our small satellite galaxy's…iotman (59)in #science • 9 days ago🌌 SpacePicture of a Day: MESSENGER's Last Day on Mercury 🪐The first to orbit inner planet Mercury, the MESSENGER spacecraft came to rest on this region of Mercury's surface on…iotman (59)in #science • 10 days ago🌌 SpacePicture of a Day: A Happy Sky over Bufa Hill in Mexico 🪐Sometimes, the sky itself seems to smile. A few days ago, visible over much of the world, an unusual superposition of…iotman (59)in #science • 11 days ago🌌 SpacePicture of a Day: Saturn's Rings Appear to Disappear 🪐Where are Saturn's ears? Galileo is credited, in 1610, as the first person to see Saturn's rings. Testing out…iotman (59)in #science • 13 days ago🌌 SpacePicture of a Day: IC 418: The Spirograph Nebula 🪐What is creating the strange texture of IC 418? Dubbed the Spirograph Nebula for its resemblance to drawings from a…iotman (59)in #science • 15 days ago🌌 SpacePicture of a Day: Asteroid Donaldjohanson 🪐Main belt asteroid 52246 Donaldjohanson is about 8 kilometers long and 3.5 kilometers across. On April 20, this sharp…iotman (59)in #science • 16 days ago🌌 SpacePicture of a Day: NGC 6164: A Dragon's Egg 🪐Beautiful emission nebula NGC 6164 was created by a rare, hot, luminous O-type star, some 40 times as massive as the…iotman (59)in #science • 17 days ago🌌 SpacePicture of a Day: An Almost Everything Sky 🪐This surprising sky has almost everything. First, slanting down from the upper left and far in the distance is the…iotman (59)in #science • 18 days ago🌌 SpacePicture of a Day: Terminator Moon: A Moonscape of Shadows 🪐What's different about this Moon? It's the terminators. In the featured image, you can't directly see any terminator…iotman (59)in #science • 19 days ago🌌 SpacePicture of a Day: Galaxy Lenses Galaxy from Webb 🪐Is this one galaxy or two? Although it looks like one, the answer is two. One path to this happening is when a small…iotman (59)in #science • 20 days ago🌌 SpacePicture of a Day: The Orion Nebula in Visible and Infrared 🪐The Great Nebula in Orion is a colorful place. Visible to the unaided eye, it appears as a small fuzzy patch in the…iotman (59)in #science • 21 days ago🌌 SpacePicture of a Day: Painting with Jupiter 🪐In digital brush strokes, Jupiter's signature atmospheric bands and vortices were used to form this interplanetary…iotman (59)in #science • 22 days ago🌌 SpacePicture of a Day: Comet C/2025 F2 SWAN 🪐In late March, the comet now designated C/2025 F2 SWAN was found independently by citizen scientists Vladimir Bezugly…iotman (59)in #science • 23 days ago🌌 SpacePicture of a Day: Virgo Cluster Galaxies 🪐Galaxies of the Virgo Cluster are scattered across this nearly 4 degree wide telescopic field of view. About 50…
