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Category Archives: News and Updates

News about Astronomy and Space Science. Find every news item and update here, in blog format. You can get these updates sent straight to your mailbox by subscribing here, or you can subscribe to the RSS feed by clicking the link.

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Planetary Forensics

Urban Astronomer avatarPosted on 4 April, 2011 by Allen Versfeld

Jupiter showing its bruises after being pelted with fragments of comet Shoemaker-Levy 9.Credit: Hubble Space Telescope Comet Team July 1994.  The planet Jupiter reels under the impact from a series of high-velocity objects slamming into its thick soupy atmosphere.  Witnesses on Earth watch breathlessly as Jupiter turns slowly, revealing 21 black wounds slowly spreading their stain across Jupiter’s striped waist.  All fingers point accusingly at comet Shoemaker-Levy 9, which astronomers knew to be hellbent on its suicide mission against Jupiter … Continue reading →

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SASRA – What’s in it for us?

Urban Astronomer avatarPosted on 3 April, 2011 by Allen Versfeld4 June, 2016

This is the first of a series of guest posts by Michael Neale, president of the South African Space Resources Association (SASRA).   What is in it for us? – the Earthly benefits of developing space. By Michael Neale If you are reading this article, changes are you are pro-space development. Even so, you might still have wondered whether space development is economically justifiable. Sure, we do it to broaden our knowledge, and because it is satisfying, and it will … Continue reading →

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Elektro-L Earth Images

Urban Astronomer avatarPosted on 31 March, 2011 by Allen Versfeld

Russia’s new Elektro-L weather satellite has recently announced its presence by returning some truly stunning high-resolution whole-Earth images.  Launched in January this year, Elektro-L is parked in a geostationary orbit above the Indian Ocean, where it will monitor both oceanic conditions and local space weather, and will be used for both global and local weather forecasts. Elektro-L is noteworthy in that it is the first spacecraft that Russia has conceived, designed, built and launched since the fall of the Soviet … Continue reading →

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Messenger: 15 days till orbit

Urban Astronomer avatarPosted on 22 March, 2011 by Allen Versfeld

In 15 days time, Mercury will gain a new satellite in the form of the MESSENGER spacecraft.  Launched in August 2004, Messenger has been tracing a complex journey through the inner Solar System which will end on 18 March 2011 when it is inserted into an elliptical polar orbit around the planet Mercury.  MESSENGER’s mission is to study and map Mercury, giving detailed information on its magnetic field and the mineral composition of its surface. MESSENGER will have an unusually … Continue reading →

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Spacecraft orbits Mercury

Urban Astronomer avatarPosted on 18 March, 2011 by Allen Versfeld31 May, 2016
Messenger at Mercury. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

At 01h00 UTC this morning, MESSENGER ended its six and a half year journey by slipping neatly into orbit around Mercury.  “This mission will continue to revolutionize our understanding of Mercury during the coming year,” said NASA Administrator Charles Bolden, speaking at MESSENGER mission control. “NASA science is rewriting text books. MESSENGER is a great example of how our scientists are innovating to push the envelope of human knowledge.”  This is the first time a spacecraft has ever orbited the … Continue reading →

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