iotman (60)in #science • 21 hours ago🌌 SpacePicture of a Day: Messier Catalog at Uniform Scale 🪐What are some of the most interesting astronomical objects you can see in the night sky? Armed with a good pair of…iotman (60)in #science • 2 days ago🌌 SpacePicture of a Day: NGC 188: Old Cluster in the New General Catalog 🪐The New General Catalog of star clusters and nebulae really isn't so new. In fact, it was published in 1888 - an…iotman (60)in #science • 5 days ago🌌 SpacePicture of a Day: Comet R3 PanSTARRS and Orion 🪐Orion never had a sword like this. As Comet C/2025 R3 (PanSTARRS) heads out of the inner Solar System, it is putting…iotman (60)in #science • 6 days ago🌌 SpacePicture of a Day: Messier Craters in Stereo 🪐Many bright nebulae and star clusters in planet Earth's sky are associated with the name of astronomer Charles Messier…iotman (60)in #science • 7 days ago🌌 SpacePicture of a Day: Comet R3 PanSTARRS Before Rigel 🪐Which way is Comet R3 PanSTARRS going? Not towards the star at the top of the image, because that is Rigel, which…iotman (60)in #science • 9 days ago🌌 SpacePicture of a Day: The Retrograde Dance of Saturn and Neptune 🪐What does it mean for Saturn and Neptune to be in retrograde? Featured is a composite of images taken over 34 nights…iotman (60)in #science • 10 days ago🌌 SpacePicture of a Day: Orion over Mount Teide 🪐Orion is rarely seen like this. To achieve this majestic vista, you need a camera capable of taking such long…iotman (60)in #science • 12 days ago🌌 SpacePicture of a Day: Trifid Pillars and Jets 🪐Dust pillars are like interstellar mountains. They survive because they are more dense than their surroundings, but…iotman (60)in #science • 13 days ago🌌 SpacePicture of a Day: Seeing Titan 🪐Shrouded in a thick atmosphere, the surface of Saturn's largest moon, Titan, is really hard to see. Small particles…iotman (60)in #science • 14 days ago🌌 SpacePicture of a Day: Markarian's Chain 🪐Near the heart of the Virgo Galaxy Cluster, a string of galaxies known as Markarian's Chain stretches across this…iotman (60)in #science • 17 days ago🌌 SpacePicture of a Day: CG 30: Cometary Globules 🪐They're like mountain peaks, but they are forming stars. Bright-rimmed, flowing shapes gather near the center of this…iotman (60)in #science • 18 days ago🌌 SpacePicture of a Day: Comet R3 PanSTARRS Behind Satellite Trails 🪐Can you find the comet? Somewhere through this web of satellite trails is Comet C/2025 R3 (PanSTARRS), a bright…iotman (60)in #science • 19 days ago🌌 SpacePicture of a Day: Mystic Mountain Monster being Destroyed 🪐Inside the head of this interstellar monster is a star that is slowly destroying it. The huge monster, actually an…iotman (60)in #science • 20 days ago🌌 SpacePicture of a Day: The Persistence of Sunlight 🪐This seaside sunset offered a surreal experience, captured in a sea and skyscape from the west coast of Sardinia…iotman (60)in #science • 21 days ago🌌 SpacePicture of a Day: Young Moon and Sister Stars 🪐Sunlit arms of a crescent moon seem to embrace the faint lunar night side in this dramatic celestial view from planet…iotman (60)in #science • 24 days ago🌌 SpacePicture of a Day: Three Sky Arches over Snowy Alps 🪐Why are there three arches across the sky instead of two? Last month, after being dropped off by a helicopter at a…iotman (60)in #science • 29 days ago🌌 SpacePicture of a Day: South Celestial Tree 🪐If you live in the northern hemisphere, you may have learned how to locate the North Star, Polaris, in the night sky.…iotman (60)in #science • last month🌌 SpacePicture of a Day: The ISS Transits the Moon 🪐Nope, that is not an alien spaceship landing on the Moon! This is an image of the International Space Station (ISS) as…iotman (60)in #science • last month🌌 SpacePicture of a Day: The Long Wispy Tail of Comet R3 (PanSTARRS) 🪐Why does Comet R3 (PanSTARRS) have a wispy tail? The newest bright member of the inner Solar System, Comet C/2025 R3…iotman (60)in #science • last month🌌 SpacePicture of a Day: Comet R3 (PanSTARRS) Brightens 🪐Comet R3 is brightening rapidly -- will it survive? C/2025 R3 (PanSTARRS) has been slowly brightening and extending…
