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NASA Reactivates WISE to Improve Our Understanding of Near Earth Objects

Yesterday, NASA announced a plan to reactivate the WISE infrared space observatory, an astrophysics mission that had completed its intended observations in 2011 and has been dormant since. As part of its primary objective of cataloging the infrared sky, WISE made many observations of asteroids, discovering thousands of asteroids in the main belt beyond the […]

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The Joy of Discovery

Here I am once again, flying high over the Pacific Ocean on my way to the Big Island of Hawaii to the high and cold mountain top of Mauna Kea. This is not a new experience for me but the thrill never goes away. I have been given 7 nights to use one of the […]

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National Geographic’s Solar System Stories

From this month’s issue of National Geographic, an illustrated history of the early solar system. DISTURBING THE GIANTS The Late Heavy Bombardment of Earth may have resulted from a dramatic disturbance of planetary orbits. That led Neptune (foreground) and Uranus to disrupt a belt of comets, and Jupiter the asteroid belt. According to the Nice […]

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The Last Killer Asteroid: Long Now Foundation Podcast and Remarks

Stewart Brand wrote on the Long Now Foundation website: Kevin Kelly wrote the following about Ed Lu’s Seminar About Long-term Thinking (SALT) titled “Anthropocene Astronomy: Thwarting Dangerous Asteroids Begins with Finding Them”… Last night’s SALT talk was one of the most important ones we ever hosted. For several reasons: Nine years ago, SALT hosted Rusty […]

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Space Rock Traffic Control

We enjoyed this cartoon from The Economist’s blog post: “How do you stop an asteroid hitting Earth?” Just wishing it was that easy to divert an asteroid! (Although it can be done if you have time to plan for it. Read more about the Gravity Tractor.)

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