iotman (4)in #science • 2 days ago🌌 SpacePicture of a Day: Visualization: Near a Black Hole and Disk 🪐What would it look like to plunge into a monster black hole? This image from a supercomputer visualization shows the entire sky as seen from a simulated camera plunging toward a…iotman (4)in #science • 3 days ago🌌 SpacePicture of a Day: M77: Spiral Galaxy with an Active Center 🪐What's happening in the center of nearby spiral galaxy M77? The face-on galaxy lies a mere 47 million light-years away toward the constellation of the Sea Monster (Cetus). At…iotman (4)in #science • 4 days ago🌌 SpacePicture of a Day: 3I ATLAS: Tails of an Interstellar Comet 🪐How typical is our Solar System? Studying 3I/ATLAS, a comet just passing through, is providing clues. Confirmed previous interstellar visitors include an asteroid, a comet, a…iotman (4)in #science • 6 days ago🌌 SpacePicture of a Day: Moon Games 🪐This is not a screen from a video game. Nestled below the tree-line, the small mountain church does look like it might be hiding from Moon though. In the well-composed telephoto…iotman (4)in #science • 7 days ago🌌 SpacePicture of a Day: NGC 6888: The Crescent Nebula 🪐NGC 6888, also known as the Crescent Nebula, is a about 25 light-years across, a cosmic bubble blown by winds from its central, massive star. This deep telescopic image includes…iotman (4)in #science • 8 days ago🌌 SpacePicture of a Day: Portrait of NGC 1055 🪐Big, beautiful spiral galaxy NGC 1055 is a dominant member of a small galaxy group a mere 60 million light-years away toward the aquatically intimidating constellation Cetus.…iotman (4)in #science • 9 days ago🌌 SpacePicture of a Day: Globular Cluster M15 Deep Field 🪐Stars, like bees, swarm around the center of bright globular cluster M15. The central ball of over 100,000 stars is a relic from the early years of our Galaxy, and continues to…iotman (4)in #science • 10 days ago🌌 SpacePicture of a Day: Comet Lemmon and the Milky Way 🪐What did Comet Lemmon look like when it was at its best? One example is pictured here, featuring three celestial spectacles all at different distances. The closest spectacle is…iotman (4)in #science • 11 days ago🌌 SpacePicture of a Day: Apep: Unusual Dust Shells from Webb 🪐What created this unusual space sculpture? Stars. This unusual system of swirls and shells, known as Apep, was observed in unprecedented detail by NASA’s James Webb Space…iotman (4)in #science • 12 days ago🌌 SpacePicture of a Day: The Observable Universe 🪐How far can you see? Everything you can see, and everything you could possibly see, right now, assuming your eyes could detect all types of radiations around you -- is the…iotman (4)in #science • 13 days ago🌌 SpacePicture of a Day: Dione and Rhea Ring Transit 🪐Seen to the left of Saturn's banded planetary disk, small icy moons Dione and Rhea are caught passing in front of the gas giant's extensive ring system in this sharp telescopic…iotman (4)in #science • 14 days ago🌌 SpacePicture of a Day: 3I/ATLAS: A View from Planet Earth 🪐Now outbound after its perihelion or closest approach to the Sun on October 29, Comet 3I/ATLAS is only the third known interstellar object to pass through our fair Solar System.…iotman (4)in #science • 15 days ago🌌 SpacePicture of a Day: Alnitak, Alnilam, Mintaka 🪐Alnitak, Alnilam, and Mintaka are the bright bluish stars from east to west (upper right to lower left) along the diagonal in this cosmic vista. Otherwise known as the Belt of…iotman (4)in #science • 16 days ago🌌 SpacePicture of a Day: Chamaeleon Dark Nebulas 🪐Sometimes the dark dust of interstellar space has an angular elegance. Such is the case toward the far-south constellation of Chamaeleon. Normally too faint to see, dark dust is…iotman (4)in #science • 18 days ago🌌 SpacePicture of a Day: Comet Lemmon's Wandering Tail 🪐What has happened to Comet Lemmon's tail? The answer is blowing in the wind — the wind from the Sun in this case. This continuous outflow of charged particles from the Sun has…iotman (4)in #science • 19 days ago🌌 SpacePicture of a Day: Crossing Saturn's Ring Plane 🪐If this is Saturn, where are the rings? When Saturn's "appendages" disappeared in 1612, Galileo did not understand why. Later that century, it became understood that Saturn's…iotman (4)in #science • 20 days ago🌌 SpacePicture of a Day: Andromeda and Friends 🪐This magnificent extragalactic skyscape looks toward the Andromeda Galaxy, the closest large spiral galaxy to the Milky Way. It also accomplishes a Messier catalog trifecta by…iotman (4)in #science • 21 days ago🌌 SpacePicture of a Day: Florida Northern Lights 🪐Northern lights have come to Florida skies. In fact, the brilliant streak of a Northern Taurid meteor flashes through the starry night sky above the beach in this sea and…iotman (4)in #science • 22 days ago🌌 SpacePicture of a Day: Orion and the Running Man 🪐Few cosmic vistas can excite the imagination like The Great Nebula in Orion. Visible as a faint, bland celestial smudge to the naked-eye, the nearest large star-forming region…iotman (4)in #science • 23 days ago🌌 SpacePicture of a Day: Astronomy Picture of the Day 🪐Ten thousand years ago, before the dawn of recorded human history, a new light would suddenly have appeared in the night sky and faded after a few weeks. Today we know this…