iotman (59)in #science • 14 hours ago🌌 SpacePicture of a Day: A Year in Sunsets 🪐A year in sunsets, from April 2023 to March 2024, track along the western horizon in these stacked panoramic views.…iotman (59)in #science • 2 days ago🌌 SpacePicture of a Day: The Long Night Moon 🪐On the night of December 15, the Full Moon was bright. Known to some as the Cold Moon or the Long Night Moon, it was…iotman (59)in #science • 3 days ago🌌 SpacePicture of a Day: Messier 2 🪐After the Crab Nebula, this giant star cluster is the second entry in 18th century astronomer Charles Messier's famous…iotman (59)in #science • 4 days ago🌌 SpacePicture of a Day: NGC 660: Polar Ring Galaxy 🪐What kind of strange galaxy is this? This rare structure is known as a polar ring galaxy, and it seems to have two…iotman (59)in #science • 5 days ago🌌 SpacePicture of a Day: Near to the Heart Nebula 🪐What excites the Heart Nebula? First, the large emission nebula on the upper left, catalogued as IC 1805, looks…iotman (59)in #science • 6 days ago🌌 SpacePicture of a Day: A Kilometer High Cliff on Comet Churyumov - Gerasimenko 🪐This kilometer high cliff occurs on the surface of a comet. It was discovered on the dark nucleus of Comet Churyumov…iotman (59)in #science • 7 days ago🌌 SpacePicture of a Day: Geminid Meteors over a Snowy Forest 🪐Meteors have been flowing out from the constellation Gemini. This was expected, as mid-December is the time of the…iotman (59)in #science • 8 days ago🌌 SpacePicture of a Day: Apollo 17's Moonship 🪐Awkward and angular looking, Apollo 17's lunar module Challenger was designed for flight in the near vacuum of space.…iotman (59)in #science • 9 days ago🌌 SpacePicture of a Day: M51: Tidal Streams and H-alpha Cliffs 🪐An intriguing pair of interacting galaxies, M51 is the 51st entry in Charles Messier's famous catalog. Perhaps the…iotman (59)in #science • 10 days ago🌌 SpacePicture of a Day: Phaethon's Brood 🪐Based on its well-measured orbit, 3200 Phaethon (sounds like FAY-eh-thon) is recognized as the source of the meteoroid…iotman (59)in #science • 11 days ago🌌 SpacePicture of a Day: The Shells and Jets of Galaxy Centaurus A 🪐What's the closest active galaxy to planet Earth? That would be Centaurus A, cataloged as NGC 5128, which is only 12…iotman (59)in #science • 12 days ago🌌 SpacePicture of a Day: The Great Meteor Storm of 1833 🪐It was a night of 100,000 meteors. The Great Meteor Storm of 1833 was perhaps the most impressive meteor event in…iotman (59)in #science • 13 days ago🌌 SpacePicture of a Day: Pleiades: The Seven Sisters Star Cluster 🪐Have you ever seen the Pleiades star cluster? Even if you have, you probably have never seen it as large and clear as…iotman (59)in #science • 14 days ago🌌 SpacePicture of a Day: Aurora around Saturn's North Pole 🪐Are Saturn's auroras like Earth's? To help answer this question, the Hubble Space Telescope and the Cassini…iotman (59)in #science • 15 days ago🌌 SpacePicture of a Day: Rocket Engine Fireplace 🪐You might not think a close up view of rocket engines producing 8.8 million pounds of thrust would be relaxing, but…iotman (59)in #science • 16 days ago🌌 SpacePicture of a Day: Xuyi Station and the Fireball 🪐Colorful and bright, this streaking fireball meteor was captured in a single exposure taken at Purple Mountain…iotman (59)in #science • 19 days ago🌌 SpacePicture of a Day: Ice Clouds over a Red Planet 🪐If you could stand on Mars -- what might you see? You might look out over a vast orange landscape covered with rocks…iotman (59)in #science • 20 days ago🌌 SpacePicture of a Day: NGC 300: A Galaxy of Stars 🪐This galaxy is unusual for how many stars it seems that you can see. Stars are so abundantly evident in this deep…iotman (59)in #science • 21 days ago🌌 SpacePicture of a Day: Cosmic Latte: The Average Color of the Universe 🪐What color is the universe? More precisely, if the entire sky were smeared out, what color would the final mix be…iotman (59)in #science • 22 days ago🌌 SpacePicture of a Day: Winter and Summer on a Little Planet 🪐Winter and summer appear to come on a single night to this stunning little planet. It's planet Earth of course. The…
