iotman (60)in #science • 3 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 • 4 days ago🌌 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 • 5 days ago🌌 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 • 7 days ago🌌 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…iotman (60)in #science • 12 days ago🌌 SpacePicture of a Day: IC 4592: The Blue Horsehead Reflection Nebula 🪐Do you see the horse's head? What you are seeing is not the famous Horsehead nebula toward Orion, but rather a…iotman (60)in #science • 14 days ago🌌 SpacePicture of a Day: NGC 3310: A Starburst Spiral Galaxy 🪐The party is still going on in spiral galaxy NGC 3310. Roughly 100 million years ago, NGC 3310 likely collided with a…iotman (60)in #science • 15 days ago🌌 SpacePicture of a Day: Hello World 🪐From pole to pole our fair planet is captured in this snapshot from space, an evocative image from a window of the…iotman (60)in #science • 16 days ago🌌 SpacePicture of a Day: Caught in the Web: Visualization of a Black Hole Merger in the Tarantula Nebula 🪐How can we see what is invisible? Black holes are not easy to see in the dark cosmic night, but astronomers can find…iotman (60)in #science • 17 days ago🌌 SpacePicture of a Day: Liftoff! Returning to the Moon 🪐We are one small step closer to returning to the Moon. A new chapter in human exploration began yesterday when NASA's…iotman (60)in #science • 18 days ago🌌 SpacePicture of a Day: The Claw and Bubble Nebulae 🪐What unexpected things do you see when you look up at the night sky? Today’s image resembles an abstract painting…iotman (60)in #science • 19 days ago🌌 SpacePicture of a Day: Uranus's Largest Moon: Titania 🪐Titania's tortured terrain is a mix of canyons, cliffs, and craters. NASA's interplanetary robot spacecraft Voyager 2…iotman (60)in #science • 20 days ago🌌 SpacePicture of a Day: Peculiar Elliptical Galaxy Centaurus A 🪐What's happened to the center of this galaxy? Dramatic dust lanes run across the center of unusual elliptical galaxy…iotman (60)in #science • 21 days ago🌌 SpacePicture of a Day: A Message from Earth 🪐What are these Earthlings trying to tell us? The featured message was broadcast from Earth towards the globular star…iotman (60)in #science • 22 days ago🌌 SpacePicture of a Day: Robert Goddard and Nell 🪐Robert H. Goddard, considered the father of modern rocketry, was born in Worcester Massachusetts in 1882. As a 16 year…iotman (60)in #science • 23 days ago🌌 SpacePicture of a Day: Hickson 44 in Leo 🪐Scanning the skies for galaxies, Canadian astronomer Paul Hickson and colleagues identified some 100 compact groups of…iotman (60)in #science • 24 days ago🌌 SpacePicture of a Day: Black Holes and Neutron Stars: 218 Mergers and Counting 🪐What is the sound of two black holes merging in deep space? Sound waves don't propagate in vacuum, but gravitational…iotman (60)in #science • 25 days ago🌌 SpacePicture of a Day: The Guardians of Rapa Nui beneath the Milky Way 🪐In the words of today's astrophotographer, Rositsa Dimitrova, "What have these silent sentinels watched pass across…iotman (60)in #science • 27 days ago🌌 SpacePicture of a Day: Light Pillars and Orion over Mohe 🪐What's happening at the end of that street? Pictured here are not auroras but light pillars, a phenomenon typically…iotman (60)in #science • 29 days ago🌌 SpacePicture of a Day: Galaxies in the River: NGC 1300 and NGC 1297 🪐Spiral NGC 1300 and elliptical NGC 1297 are galaxies that lie on the banks of the southern constellation Eridanus (The…iotman (60)in #science • last month🌌 SpacePicture of a Day: Spring Equinox at Teide Observatory 🪐The defining astronomical moment of the equinox today is at 14:46 UTC (March 20). That's when the Sun crosses the…