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Sunday, March 29, 2020
Interstellar comet Borisov gets the close-up glamour shot it deserves

Interstellar comet Borisov gets the close-up glamour shot it deserves

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 Interstellar comet 2l/Borisov appears in this image from Yale. The version on the right is a composite that shows Earth as a way to judge the scale of the comet's long tail. Pieter van Dokkum, Cheng-Han Hsieh, Shany Danieli, Gregory Laughlin Interstellar comet 2l/Borisov is only the second known object to visit our solar system…
Interstellar comet Borisov seems strange, making Oumuamua even weirder

Interstellar comet Borisov seems strange, making Oumuamua even weirder

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This artist's impression shows the first interstellar asteroid: Oumuamua.  European Southern Observatory / M. Kornmesser One of the first profiles of interstellar comet Borisov has been published, and it looks about the same as most other comets. What it doesn't look like is the first interstellar object, Oumuamua, which made its closest pass by Earth…
Our finest take a look at most likely interstellar comet Borisov up until now

Our finest take a look at most likely interstellar comet Borisov...

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Here's a two-color composite image of C/2019 Q4, which could be the first interstellar comet ever identified. Blue and red dashes are images of background stars that appear to streak due to the motion of the comet.  Gemini Observatory/NSF/AURA Astronomers have spotted what's believed to be just the second known interstellar object ever discovered. And…
NASA states a brand-new comet is likely an ‘interstellar visitor’ from another galaxy– the 2nd ever spotted

NASA states a brand-new comet is likely an ‘interstellar visitor’ from...

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Astronomers may have spotted the second object ever to visit our solar system from another star system. The object may even fly near Mars in October. Right now, the chances are much higher that the object, known as comet "C/2019 Q4 (Borisov)" (or "gb00234"), is interstellar, rather than a rock from within the solar system.…
An interstellar comet seems heading our method

An interstellar comet seems heading our method

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We appear to be getting a visit from a comet from beyond the solar system for the first time, at least that we've noticed.  NASA A comet first spotted by a Ukrainian amateur astronomer looks to be just the second known object to visit our cosmic neighborhood from beyond the solar system. What could be…
A comet simply got vaporized by the sun and we saw it in the world

A comet simply got vaporized by the sun and we saw...

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Very hot. NASA There's not much that can survive direct contact with the sun. As a pale, white boy living in Australia I understand this better than anyone. But even comets get shredded, as demonstrated by this video, posted by Karl Battans, a computational PhD student studying comets, asteroids, the sun and space weather. "Total…
Neptune’s newly found moon, Hippocamp, may be left over from a comet crash

Neptune’s newly found moon, Hippocamp, may be left over from a...

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This is the image that revealed Hippocamp. The moon is visible inside the red box, with an enlarged version inset at upper right.  Mark R. Showalter, SETI Institute We might think of our solar system's outer planets as lonely wanderers in cold, deep space. But as astronomers look more closely, it turns out distant worlds…
Oumuamua Might be the Particles Cloud of a Disintegrated Interstellar Comet

Oumuamua Might be the Particles Cloud of a Disintegrated Interstellar Comet

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Since it was first detected hurling through our Solar System, the interstellar object known as ‘Oumuamua has been a source of immense scientific interest. Aside from being extrasolar in origin, the fact that it has managed to defy classification time and again has led to some pretty interesting theories. While some have suggested that it…
New Horizons’ Huge Reveal On MU69: Ultima Thule Is A Normal ‘Future Comet’

New Horizons’ Huge Reveal On MU69: Ultima Thule Is A Normal...

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2014 MU69 is thought to have originally been two objects, nicknamed 'Ultima' and 'Thule', that formed over time from a rotating cloud of small, icy bodies. Comparison with known cometary nuclei suggest that Ultima Thule will become a typical comet if it enters the inner Solar System.NASA/JHUAPL/SwRI As 2018 ended and 2019 began, NASA's New…
NASA telescopes snap Christmas comet, the brightest of 2018

NASA telescopes snap Christmas comet, the brightest of 2018

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The 46P/Wirtanen comet 7.4 million miles (12 million kilometers) from Earth.    NASA/ESA/D. Bodewits (Auburn University)/J.-Y. Li (Planetary Science Institute) When you look to the sky to spot a comet at this time of year, you might be referring to one of Santa's eight original reindeer.* However, Christmas 2018 has been particularly kind to folk…

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