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Archive of Mathematical and Physical Sciences Picture of the Week

<< 2013 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2015 >>

16 June 2014: Message to Mercury

Of all the planets of the inner Solar System, Mercury is the least-visited. No mission has ever landed on its surface, only two missions have studied it from space, and only one of those has reached orbit.
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9 June 2014: What's the charge?

When metal objects are given an electric charge, the charge is not evenly spread through it. It collects on the surface, and in particular on parts of the surface which are curved. More...

2 June 2014: Swift keeps flying


Every two years, NASA carries out a major review of its science missions to decide which to continue supporting. This year's review brought good news for the Swift mission - a satellite which surveys highly energetic cosmic phenomena, such as gamma ray bursts. Swift was ranked first, meaning it is guaranteed to get continued funding and support until 2016 and, subject to a further review, could continue to 2018.
One of the instruments on board Swift is the Ultraviolet and Optical Telescope (UVOT), a two-metre long telescope assembly rigged up to a camera system which can take pictures in visible and ultraviolet light. The telescope assembly was built by UCL's Mullard Space Science Laboratory.
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