Wednesday, January 2, 2013

NASA Scientist Plan Return to Uranus



A pair of enhanced images of Uranus from the Keck telescope on Hawaii are among the best from the Earth. Credit: Lawrence Sromovsky, University of Wisconsin-Madison/ W. M. Keck Observatory

An image of Uranus, its rings and moons from the Hubble space telescope in 1997. Credit NASA/ESA
While spacecraft continue to study the Moon, Mercury, Venus, Mars, Jupiter and Saturn, some space scientists are clamouring for missions to the neglected planets of the Solar System.

A NASA probe, New Horizons, is currently racing towards an ex-planet, Pluto, to speed past and tell us more about that world and its Kuiper Belt relatives. But ice giants Uranus and Neptune have not been properly studied from space since the Voyager missions of the 1980s.

There are no plans currently to return to the most distant planet Neptune. However, NASA has made a Uranus mission the third highest priority for planetary exploration in the 2020s, after another martian rover and further study of Jupiter.

The US financial crisis has put many future missions on hold due to budgetary restraints. But planetary scientists are pressing for such a mission to fly as soon as possible, especially after a similar proposal for a European mision, Uranus Pathfinder, was passed over in 2011.

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