NASA’s OSIRIS-REx Begins Earth-Trojan Asteroid Search

Feb 13

A NASA spacecraft begins its search Thursday for an enigmatic class of near-Earth objects known as Earth-Trojan asteroids. OSIRIS-REx, currently on a two-year outbound journey to the asteroid Bennu, will spend almost two weeks searching for evidence of these small bodies. Trojan asteroids are trapped in stable gravity wells, called Lagrange points, which precede or follow a planet. OSIRIS-REx is currently traveling through Earth’s fourth Lagrange point, which is located 60 degrees ahead in Earth’s

Is Saturn Saving the Day?

Feb 09

Jupiter is often cited as Earth’s protector — but Saturn may actually be hero of the day.

Jupiter may not be the “planetary shield” that many scientists make the gas giant out to be. Instead, new simulations suggest that Saturn may play a crucial role in steering asteroids away from Earth. Saturn Shield The “Jupiter as a shield” concept arose from

Asteroid Day Press Conference February 14, 2017

Feb 08

asteroid day press conference february 14 Asteroid Day to Announce Increased Global Support and Preview 2017 Events at February 14 Press Conference – Live from Luxembourg City, Berlin, Silicon Valley, Bucharest and London. TIME: 2.30PM – 3.30PM CET | 08.30AM – 9.30AM EST Web Access: http://asteroidday.org/pressconference LONDON (February 8, 2017) – Asteroid Day, a rising global movement to protect our planet, families, communities, and future

Brilliant Fireball Streaks Over U.S.

Feb 07

A brilliant, bright-green meteor blazed through the sky just north of Milwaukee, in U.S., early in the morning of Feb. 6

fireball milwaukee meteor meteorite

Credit: Space Science and Engineering Center (SSEC) and Department of Atmospheric and Oceanic Sciences, University of Wisconsin-Madison.

The meteor streaked across the sky around 1:25 a.m., and likely