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Monday, November 23, 2020
Ancient Cavern Paintings Program That Ancient Individuals Had Pretty Advanced Understanding of Astronomy

Ancient Cavern Paintings Program That Ancient Individuals Had Pretty Advanced Understanding...

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Astronomy is one of humanity’s oldest obsessions, reaching back all the way to prehistoric times. Long before the Scientific Revolution taught us that the Sun is at the center of the Solar System, or modern astronomy revealed the true extend of our galaxy and the Universe, ancient peoples were looking up at the night sky…
New Comet V1 Machholz-Fujikawa-Iwamoto Takes Observers by Surprise

New Comet V1 Machholz-Fujikawa-Iwamoto Takes Observers by Surprise

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You just never know when it comes to comets. Here it is, mid-November, and we’d thought we had finished up writing about bright comets for 2018. That was until this past weekend, when a flurry of messages flashed across the Yahoo! Comets mailing list hinting that a new, possibly bright comet had been discovered. Come…
Not all the Earth’s Water Originated from Comets

Not all the Earth’s Water Originated from Comets

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We have comets and asteroids to thank for Earth’s water, according to the most widely-held theory among scientists. But it’s not that cut-and-dried. It’s still a bit of a mystery, and a new study suggests that not all of Earth’s water was delivered to our planet that way. Hydrogen is the most abundant element in…
Comet 46 P Wirtanen Beat Out 2018

Comet 46 P Wirtanen Beat Out 2018

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One. More. Comet. Though the next great ‘Comet of the Century’ has yet to make its appearance in 2018, we’ve had a steady stream of binocular comets this year, including Comets C/2017 S3 PanSTARRS, 38P Stephan-Oterma, and 21P Giacobini-Zinner. Now, the calendar year may have saved the best for last, as periodic Comet 46P Wirtanen…
Asteroid Phaethon breaks all the guidelines. It imitates a comet, it provides particles to a meteor shower. Oh, and it’s blue

Asteroid Phaethon breaks all the guidelines. It imitates a comet, it...

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Having studies countless asteroids in near-Earth space, astronomers have come to understand that the majority of these rocks fall into one of two categories: S-type (grey) and C-type (red). These are defined by the types of materials on their surfaces, with S-type asteroids being primarily composed of silicate rock and C-type asteroids being made up…
2018 Potential Customers for Obscure Comet 38 P Stephan-Oterma

2018 Potential Customers for Obscure Comet 38 P Stephan-Oterma

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Ready for one more? While all eyes are still following Comet 21/P Giacobini-Zinner as it glides through northern hemisphere skies, we’d like to turn your attention towards another icy interloper: periodic Comet 38P Stephan-Oterma. A zoom-in on Comet 38P from the introduction image. Credit Hisayoshi KatoOn a 37.7 year orbit, Comet 38P Stephan-Oterma last reached…
The “Death Comet” Will Go By Earth Simply After Halloween

The “Death Comet” Will Go By Earth Simply After Halloween

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On October 31st, 2015, NASA tracked a strange-looking comet as it made a close flyby of Earth. This asteroid, known as 2015 TB145, was monitored by the multiple observatories and radar installation of the agency’s Deep Space Network. Because of the timing and the skull-like appearance of this asteroid, scientists nicknamed it the “Death Comet”.…

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