LIVING CORAM DEO
Monday, 20 November, 2017

The Asteroid Threat From Outer Space and the State of Earth’s Vigilance

To meet the potential threat asteroids can be to Earth, NASA has built a map like no other: a plot of every dangerous asteroid that could potentially endanger our planet … at least the ones we know about.

NASA released the new map of “potentially hazardous asteroids” on Aug. 2 2013, in a post to its online Planetary Photojournal overseen by the agency’s Jet Propulsion Laboratory in Pasadena, Calif. The map shows the orbital paths of more than 1,400 asteroids known creeping too close to Earth for comfort. These are the asteroids considered hazardous because they are fairly large (at least 460 feet or 140 meters in size), and because they follow orbits that pass close to the Earth’s orbit (within 4.7 million miles or 7.5 million kilometers). However, none of the asteroids mapped pose an impact threat to Earth within the next 100 years. By continuing to observe and track these asteroids, their orbits can be refined and more precise predictions made of their future close approaches and impact probabilities.

NASA scientists and astronomers around the world are constantly searching for asteroids that may pose an impact threat to Earth. NASA has said that roughly 95 percent of the largest asteroids that could endanger Earth — space rocks at least 0.6 miles (1 km) wide — have been identified through these surveys.

Article Taken From Space.Com

A Recent Update Here:

http://www.bloomberg.com/news/2014-07-24/the-surveillance-state-is-looking-in-the-wrong-direction-the-asteroid-threat.html

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