iotman (59)in #science • 4 hours ago🌌 SpacePicture of a Day: A Tale of Two Nebulae 🪐This colorful telescopic view towards the musical northern constellation Lyra reveals the faint outer halos and…iotman (59)in #science • yesterday🌌 SpacePicture of a Day: Mostly Perseids 🪐In this predawn skyscape recorded during the early morning hours of August 13, mostly Perseid meteors are raining down…iotman (59)in #science • 2 days ago🌌 SpacePicture of a Day: Perseid Meteors from Durdle Door 🪐What are those curved arcs in the sky? Meteors -- specifically, meteors from this year's Perseid meteor shower. Over…iotman (59)in #science • 3 days ago🌌 SpacePicture of a Day: Giant Galaxies in Pavo 🪐Over 500,000 light years across, NGC 6872 (bottom left) is a truly enormous barred spiral galaxy. At least 5 times the…iotman (59)in #science • 4 days ago🌌 SpacePicture of a Day: NGC 1309: A Useful Spiral Galaxy 🪐This galaxy is not only pretty -- it's useful. A gorgeous spiral some 100 million light-years distant, NGC 1309 lies…iotman (59)in #science • 5 days ago🌌 SpacePicture of a Day: Asperitas Clouds Over New Zealand 🪐What kind of clouds are these? Although their cause is presently unknown, such unusual atmospheric structures, as…iotman (59)in #science • 7 days ago🌌 SpacePicture of a Day: Moonlight, Planets, and Perseids 🪐In the predawn sky on August 13, two planets were close. And despite the glare of a waning gibbous Moon, bright…iotman (59)in #science • 8 days ago🌌 SpacePicture of a Day: M13: The Great Globular Cluster in Hercules 🪐In 1716, English astronomer Edmond Halley noted, "This is but a little Patch, but it shews itself to the naked Eye…iotman (59)in #science • 9 days ago🌌 SpacePicture of a Day: Trapezium: In the Heart of Orion 🪐What lies in the heart of Orion? Trapezium: four bright stars, that can be found near the center of this sharp cosmic…iotman (59)in #science • 10 days ago🌌 SpacePicture of a Day: Perseids from Perseus 🪐Where are all of these meteors coming from? In terms of direction on the sky, the pointed answer is the constellation…iotman (59)in #science • 12 days ago🌌 SpacePicture of a Day: Zodiacal Road 🪐What's that strange light down the road? Dust orbiting the Sun. At certain times of the year, a band of sun-reflecting…iotman (59)in #science • 14 days ago🌌 SpacePicture of a Day: Dawn of the Crab 🪐One of the all-time historic skyscapes occured in July 1054, when the Crab Supernova blazed into the dawn sky. Chinese…iotman (59)in #science • 15 days ago🌌 SpacePicture of a Day: The Double Cluster in Perseus 🪐This stunning starfield spans about three full moons (1.5 degrees) across the heroic northern constellation of…iotman (59)in #science • 16 days ago🌌 SpacePicture of a Day: Meteor before Galaxy 🪐What's that green streak in front of the Andromeda galaxy? A meteor. While photographing the Andromeda galaxy in 2016…iotman (59)in #science • 17 days ago🌌 SpacePicture of a Day: NGC 6072: A Complex Planetary Nebula from Webb 🪐Why is this nebula so complex? The Webb Space Telescope has imaged a nebula in great detail that is thought to have…iotman (59)in #science • 18 days ago🌌 SpacePicture of a Day: Blue Arcs Toward Andromeda 🪐What are these gigantic blue arcs near the Andromeda Galaxy (M31)? Discovered in 2022 by amateur astronomers, the…iotman (59)in #science • 19 days ago🌌 SpacePicture of a Day: Milky Way and Exploding Meteor 🪐In about a week the Perseid Meteor Shower will reach its maximum. Grains of icy rock will streak across the sky as…iotman (59)in #science • 20 days ago🌌 SpacePicture of a Day: Fireflies, Meteors, and Milky Way 🪐Taken on July 29 and July 30, a registered and stacked series of exposures creates this dreamlike view of a northern…iotman (59)in #science • 21 days ago🌌 SpacePicture of a Day: Small Dark Nebula 🪐A small, dark, nebula looks isolated near the center of this telescopic close-up. The wedge-shaped cosmic cloudlet…iotman (59)in #science • 22 days ago🌌 SpacePicture of a Day: Supernova 2025rbs in NGC 7331 🪐A long time ago in a galaxy 50 million light-years away, a star exploded. Light from that supernova was first detected…
