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

Read More

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

Read More