Category Archives: PHA

This Meteor ‘Exploded’ Over Greenland, But Nobody Saw It. Here’s Why It Matters.

Programmer/ August 9, 2018/ Asteroids, Fireball, Meteor, Minor Planet Center, PHA

By Jeanna Bryner, Live Science Managing Editor | August 8, 2018 05:27pm ET Since there aren’t any images of the Greenland fireball, here’s an illustration of a space rock burning up as it enters Earth’s atmosphere. Credit: Vadim Sadovski/Shutterstock A fireball that streaked across the sky above the Thule Air Base in Greenland on July 25 was notable for not only the 2.1

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NEOWISE Thermal Data Reveal Surface Properties of Over 100 Asteroids

Programmer/ June 25, 2018/ Asteroids, NASA, NASA JPL, NEOWISE, PHA, Planet Killer Asteroids

Analysis of asteroids like Lutetia was used in the Josef Hanuš-led paper on asteroid thermophysical modeling. Lutetia is a large main belt asteroid about 62 miles (100 kilometers) in diameter. Lutetia was visited by ESA’s Rosetta spacecraft in 2010. Credits: ESA 2010 MPS for OSIRIS Team MPS/UPD/LAM/IAA/RSSD/INTA/UPM/DASP/IDA Full image and caption Nearly all asteroids are so far away and so

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