iotman (59)in #science • 10 hours ago🌌 SpacePicture of a Day: Equinox at Saturn 🪐On Saturn, the rings tell you the season. On Earth, today marks an equinox, the time when the Earth's equator tilts…iotman (59)in #science • 2 days ago🌌 SpacePicture of a Day: Equinox Sunset 🪐Does the Sun set in the same direction every day? No, the direction of sunset depends on the time of the year.…iotman (59)in #science • 3 days ago🌌 SpacePicture of a Day: Gibbous vs Crescent 🪐rly risers around planet Earth have enjoyed a shining crescent Moon near brilliant Venus, close to the eastern horizon…iotman (59)in #science • 4 days ago🌌 SpacePicture of a Day: The NGC 6914 Complex 🪐A study in contrasts, this colorful cosmic skyscape features stars, dust, and glowing gas in the vicinity of NGC 6914.…iotman (59)in #science • 5 days ago🌌 SpacePicture of a Day: Comet C/2025 R2 (SWAN) 🪐A new visitor from the outer Solar System, comet C/2025 R2 (SWAN) also known as SWAN25B was only discovered late last…iotman (59)in #science • 6 days ago🌌 SpacePicture of a Day: Nebulas and Clusters in Sagittarius 🪐Can you spot famous celestial objects in this image? 18th-century astronomer Charles Messier cataloged only two of…iotman (59)in #science • 7 days ago🌌 SpacePicture of a Day: New Comet SWAN25B over Mexico 🪐A newly discovered comet is already visible with binoculars. The comet, C/2025 R2 (SWAN) and nicknamed SWAN25B, is…iotman (59)in #science • 10 days ago🌌 SpacePicture of a Day: Star Trails over One-Mile Radio Telescope 🪐The steerable 60 foot diameter dish antenna of the One-Mile Telescope at Mullard Radio Astronomy Observatory…iotman (59)in #science • 11 days ago🌌 SpacePicture of a Day: Lunar Eclipse in Two Hemispheres 🪐September's total lunar eclipse is tracked across night skies from both the northern and southern hemispheres of…iotman (59)in #science • 12 days ago🌌 SpacePicture of a Day: The Umbra of Earth 🪐The dark, inner shadow of planet Earth is called the umbra. Shaped like a cone extending into space, it has a circular…iotman (59)in #science • 13 days ago🌌 SpacePicture of a Day: The Great Lacerta Nebula 🪐It is one of the largest nebulas on the sky -- why isn't it better known? Roughly the same angular size as the…iotman (59)in #science • 14 days ago🌌 SpacePicture of a Day: Up from the Earth: Gigantic Jet Lightning 🪐What's that rising up from the Earth? When circling the Earth on the International Space Station early in July…iotman (59)in #science • 15 days ago🌌 SpacePicture of a Day: IRAS 04302: Butterfly Disk Planet Formation 🪐This butterfly can hatch planets. The nebula fanning out from the star IRAS 04302+2247 may look like the wings of a…iotman (59)in #science • 17 days ago🌌 SpacePicture of a Day: Sardinia Sunset 🪐When the sun sets on September 7, the Full Moon will rise. And on that date denizens around much of our fair planet…iotman (59)in #science • 18 days ago🌌 SpacePicture of a Day: 47 Tucanae: Globular Star Cluster 🪐Also known as NGC 104, 47 Tucanae is a jewel of the southern sky. Not a star but a dense cluster of stars, it roams…iotman (59)in #science • 19 days ago🌌 SpacePicture of a Day: NGC 4565: Galaxy on Edge 🪐Magnificent spiral galaxy NGC 4565 is viewed edge-on from planet Earth. Also known as the Needle Galaxy for its narrow…iotman (59)in #science • 20 days ago🌌 SpacePicture of a Day: Cir X-1: Jets in the Africa Nebula 🪐How soon do jets form when a supernova gives birth to a neutron star? The Africa Nebula provides clues. This…iotman (59)in #science • 22 days ago🌌 SpacePicture of a Day: Callisto: Dirty Battered Iceball 🪐Its surface is the most densely cratered in the Solar System -- but what's inside? Jupiter's moon Callisto is a…iotman (59)in #science • 23 days ago🌌 SpacePicture of a Day: NGC 7027: The Pillow Planetary Nebula 🪐What created this unusual planetary nebula? Dubbed the Pillow Nebula and the Flying Carpet Nebula, NGC 7027 is one of…iotman (59)in #science • 24 days ago🌌 SpacePicture of a Day: A Two Percent Moon 🪐A young crescent moon can be hard to see. That's because when the Moon shows it's crescent phase (young or old) it can…
