satellites


Photo: Flickr user (stephen)

North Korea Successfully Puts Its Second Satellite in Orbit

, co-director and senior scientist

North Korea launched earlier than expected, and successfully placed its second satellite into orbit. Read more >

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North Korea is Launching a Rocket Soon: What Do We Know About It?

, co-director and senior scientist

North Korea has announced that it will launch a rocket sometime in the next two weeks to put a satellite in orbit for the second time. What do we know about it, and how worried should we be? Read more >

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Russian Rocket Body Seen as a Streak over Arizona

, co-director and senior scientist

A fireball seen in the sky over the western U.S. got a lot of press attention today, with people wondering what it was and whether it was a threat.

The U.S. military, which tracks objects in space, said that it was caused by the reentry into the atmosphere of the empty stage of a Russian SL-4 rocket body, which apparently had been launched a day earlier. Read more >

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Groundless Claims about Chinese MIRVing

, co-director and senior scientist

It seems that just about every week the claims about how many MIRVed warheads Chinese missiles can carry grow by leaps and bounds. The latest reports have gone from ridiculous to embarrassing. Read more >

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New Update to UCS Satellite Database

, senior scientist

An updated version of the UCS Satellite Database has just been posted. This update includes satellites launched through August 31, 2015. Currently, we tally 1305 actively operating satellites. (Reminder: a detailed discussion of what we mean by “active” can be found here.) Read more >

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