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APOD: The Cigar Galaxy from Hubble and Webb (2024 Apr 15)
The Cigar Galaxy from Hubble and Webb Explanation: Something strange happened to this galaxy, but what? Known as the Cigar Galaxy and cataloged as M82, red glowing gas and dust are being cast out from...
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APOD: Filaments of the Vela Supernova Remnant (2024 Apr 16)
Filaments of the Vela Supernova Remnant Explanation: The explosion is over, but the consequences continue. About eleven thousand years ago, a star in the constellation of Vela could be seen to...
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APOD: Total Eclipse and Comets (2024 Apr 17)
Total Eclipse and Comets Explanation: Not one, but two comets appeared near the Sun during last week's total solar eclipse. The expected comet was Comet 12P/Pons-Brooks, but it was disappointingly...
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APOD: Facing NGC 1232 (2024 Apr 18)
Facing NGC 1232 Explanation: From our vantage point in the Milky Way Galaxy, we see NGC 1232 face-on. Nearly 200,000 light-years across, the big, beautiful spiral galaxy is located some 47 million...
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APOD: The Great Carina Nebula (2024 Apr 19)
The Great Carina Nebula Explanation: A jewel of the southern sky, the Great Carina Nebula is more modestly known as NGC 3372. One of our Galaxy's largest star forming regions, it spans over 300...
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APOD: Diamonds in the Sky (2024 Apr 20)
Diamonds in the Sky Explanation: When the dark shadow of the Moon raced across North America on April 8, sky watchers along the shadow's narrow central path were treated to a total solar eclipse....
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Fox Fur fun
I was examining details of the Fox Fur nebula and this funny thing happened: From the position it is below I rotated the image 90 degrees left and a deer head appeared where the fox's head was, then...
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APOD: Perijove 16: Passing Jupiter (2024 Apr 21)
Perijove 16: Passing Jupiter Explanation: Watch Juno zoom past Jupiter. NASA's robotic spacecraft Juno is continuing on its now month-long, highly-elongated orbits around our Solar System's largest...
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APOD: Moon and Smoke Rings from Mt. Etna (2024 Apr 22)
Moon and Smoke Rings from Mt. Etna Explanation: Yes, but can your volcano do this? To the surprise of some, Mt. Etna emits, on occasion, smoke rings. Technically known as vortex rings, the walls of...
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MAUVE survey: Giant galactic explosion in NGC 4383
MAUVE survey: Giant galactic explosion in NGC 4383 exposes galaxy pollution in actionphys.org | 2024 April 21 A team of international researchers studied galaxy NGC 4383, in the nearby Virgo cluster,...
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APOD: Contrail Shadow X (2024 Apr 23)
Contrail Shadow X Explanation: What created this giant X in the clouds? It was the shadow of contrails illuminated from below. When airplanes fly, humid engine exhaust may form water droplets that...
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APOD: Dragon's Egg Bipolar Emission... (2024 Apr 24)
Dragon's Egg Bipolar Emission Nebula Explanation: How did a star form this beautiful nebula? In the middle of emission nebula NGC 6164 is an unusually massive star. The central star has been compared...
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APOD: NGC 604: Giant Stellar Nursery (2024 Apr 25)
NGC 604: Giant Stellar Nursery Explanation: Located some 3 million light-years away in the arms of nearby spiral galaxy M33, giant stellar nursery NGC 604 is about 1,300 light-years across. That's...
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APOD: Regulus and the Dwarf Galaxy (2024 Apr 26)
Regulus and the Dwarf Galaxy Explanation: In northern hemisphere spring, bright star Regulus is easy to spot above the eastern horizon. The alpha star of the constellation Leo, Regulus is the spiky...
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APOD: All Sky Moon Shadow (2024 Apr 27)
All Sky Moon Shadow Explanation: If the Sun is up but the sky is dark and the horizon is bright all around, you might be standing in the Moon's shadow during a total eclipse of the Sun. In fact, the...
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