September 23, 2019

Astronomy Video of the Week: Celebrating SOHO’s 3,000th Comet

There it is: SOHO’s 3,000th comet.

Image credit: NASA/SOHO

Has it really been that long? The joint NASA/European Space Agency’s Solar Heliospheric Observatory (SOHO) celebrates two full decades in space in just a few short weeks. Launched on December 2nd, 1995, the mission keeps a continual watch on the Sun from its L1 vantage point. [Read more...]

Review: Dreams of Other Worlds by Chris Impey and Holly Henry

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Robotic space exploration has finally come of age. Recent successes, such as the pioneering landing via sky crane of the Mars Rover Curiosity by NASA have demonstrated a capability to triumph after a hard-won history often marked by failure.

This week’s review titled Dreams of Other Worlds: The Amazing Story of Unmanned Space Exploration by Chris Impey and Holly Henry chronicles the often overlooked history of robotic exploration of the solar system. Robots can go more cheaply and effectively where humans can’t, and don’t demand a return ticket. Out from Princeton University Press, Dreams of Other Worlds is a timely snapshot of the state of unmanned space exploration. [Read more...]