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What's Up for April 2015
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What's Up Blog: Thoughts about our solar system by Jane Houston Jones
Latest Stories
MESSENGER: The Final Message   27 Apr 2015
The robotic spacecraft MESSENGER has run out of fuel. With no way to make major adjustments to its orbit around the planet Mercury, the probe will smash into the surface at more than 8,750 miles per hour (3.91 kilometers per second). Read More
Dawn Enters Science Orbit   25 Apr 2015
NASA's Dawn spacecraft entered into its first science orbit on Thursday, April 23, as scheduled. Read More
Ceres' Bright Spots Come Back Into View   19 Apr 2015
This animated sequence of images shows northern terrain on the sunlit side of dwarf planet Ceres as seen by NASA's Dawn spacecraft on April 14 and 15, 2015. Read More
Dawn Glimpses Ceres' North Pole
Dawn Glimpses Ceres' North Pole   16 Apr 2015
After spending more than a month in orbit on the dark side of dwarf planet Ceres, NASA's Dawn spacecraft has captured several views of the sunlit north pole of this intriguing world. These images were taken on April 10. Read More
Calendars: Solar System Launches & Events
09 May 2015 50th Anniversary, Luna 5: Launch
12 May 2015 50th Anniversary, Luna 5: Lunar Impact
21 May 2015 5th Anniversary, Akatsuki: Launch
08 Jun 2015 40th Anniversary, Venera 9: Launch
08 Jun 2015 50th Anniversary, Luna 6: Launch
09 Jun 2015 30th Anniversary, Vega 1: Balloon and Lander Operations at Venus
13 Jun 2015 5th Anniversary, Hayabusa: Sample Return to Earth
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Last Updated: 27 Apr 2015