Asteroid

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A bright meteor over Greenland didn't spark nuclear war. [Phew]
Phil Plait
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The Chelyabinsk, Russia fireball on Feb. 15, 2013, seen from a dashboard camera. Credit: Евгений Славенков via YouTube
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Tag: Ryugu
Ryugu, front to back
Phil Plait
Jul 16, 2018
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The asteroid Ryugu from 20 kilometers away. Credit: JAXA, University of Tokyo, Kochi University, Rikkyo University, Nagoya University, Chiba Institute of Technology, Meiji University, University of Aizu and AIST
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Incredible image of the protoplanet Vesta taken from Earth
Phil Plait
Jul 6, 2018
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The protoplanet Vesta, imaged by the amazing ZIMPOL camera on the Very Large Telescope. Credit: ESO/L. Jorda et al., P. Vernazza et al.
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Tag: Ceres
Dawn is now barnstorming Ceres and seeing wonders
Phil Plait
Jul 3, 2018
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Occator crater, a 92-kilometer-wide impact feature on Ceres, is covered in mineral deposits dredged up from the interior. Cerealia Facula is arrowed (left) as well as Vinalia Faculae (right). Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA/PSI / Phil Plait
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What would it be like to stand on the surface of Ryugu?
Phil Plait
Jun 29, 2018
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The small (<1 km wide) asteroid Ryugu, seen by the Hayabusa 2spacecraft when they were separated by 40 km. Credit: JAXA
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Tag: comet
So, 'Oumuamua is likely a comet after all
Phil Plait
Jun 28, 2018
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‘Oumuamua, the first object ever seen passing through our solar system from interstellar space, is shown in this artwork to be faintly outgassing as the Sun warms its ice. Credit: ESA/Hubble, NASA, ESO, M. Kornmesser
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Watch a boulder-sized asteroid catapult across the night sky above South Africa 
Adam Pockross
Jun 4, 2018
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Artwork depicting an asteroid with a moon passing Earth. 31232 Florence passed much farther than depicted here… but it has two moons! Credit: NASA
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So, about that 'interstellar asteroid' announced yesterday…
Phil Plait
May 22, 2018
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Eros, a lumpy potato of an asteroid, is pretty typical of such solar system objects. Credit: NASA
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The asteroid Kleopatra: Less of a dog bone and more of a dumbbell
Phil Plait
Apr 26, 2018
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A map of the slopes on the surface of the asteroid Kleopatra show it’s smooth; most of the hills have gentle slopes (most up to around 12°). Credit: Shepard et al.
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Tag: OSIRIS-REx
OSIRIS-REx looks home from far, far away
Phil Plait
Feb 19, 2018
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The Earth and Moon, seen by the OSIRIS-REX spacecraft fropm over 60 million km away. Credit: NASA/Goddard/University of Arizona/Lockheed Martin
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Did our first known interstellar visitor come from a dead star?
Phil Plait
Jan 4, 2018
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Artwork depicting what ‘Oumuamua might look like; observations indicate it’s highly elongated. But where did it come from? Credit: ESO / M. Kornmesser
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Tag: Christmas
A lump of solar system coal
Phil Plait
Dec 20, 2017
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The asteroid Santa glows red in the image from NASA’s WISE observatory.
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So long, rock from an alien solar system. I mean that literally: So. Long.
Phil Plait
Nov 21, 2017
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‘Oumuamua, an asteroid from another solar system, is quite elongated and look very much like this artist’s impression of it. Credit: ESO/M. Kornmesser
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An interstellar rock gets a name
Phil Plait
Nov 8, 2017
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When it was still called A/2017 U1, the object was spotted by the William Herschel Telescope on the island of La Palma. The telescope guided on the motion of the object, so stars appear to trail.
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BREAKING! Have astronomers discovered our first interstellar visitor? NOTE: Not aliens
Phil Plait
Oct 27, 2017
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The interstellar asteroid A/2017 U1, images using a 40 cm telescope when the object was about 60 million km from Earth and at a magnitude of 22 (that’s very faint). Credit: Gianluca Masi (Virtual Telescope Project) and Michael Schwartz (Tengra Observatory
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