Dawn's Departure & the Colour Changing Night Sky

In an update from the Royal Astronomical Society, we hear how Dawn, currently orbiting Vesta, will depart for a new asteroid this month, and how LED street lighting is changing...

17 August 2012

Interview with

Dr Robert Massey, Royal Astronomical Society

Part of the show Martian Matters

Vesta_from_Dawn__July_17.jpg

Asteroid 4 Vesta from Dawn on July 17, 2011. The image was taken from a distance of 9,500 miles (15,000 km) away from Vesta.

Credit:

CC0 - NASA/JPL-Caltech/UCLA/MPS/DLR/IDA

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In an update from the Royal Astronomical Society, we hear how Dawn, currently orbiting Vesta, will depart for a new asteroid this month, and how LED street lighting is changing the night sky...