| Barack Obama to drop Nasa moon mission in budget cutbacks |
| Monday, 01 February 2010 12:51 |
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Nasa's plans to send a manned mission to the moon and launch the US into a bold new era of space exploration are likely to remain on the ground today when Barack Obama unveils his budget. The president wants to cut back or abandon 120 government programmes to help rein in the US deficit – among them the funding of the US space administration – as part of the $3.8tn (£2.4tn) budget. According to the Washington Post, Obama will seek to shelve the $81bn Constellation programme, which called for a return to the moon by 2020 and human landings on Mars by the middle of the century. The plans were laid out by his predecessor, George Bush, in 2004. |
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| A Chameleon Sky | ||
| The sands of time are running out for the central star of this the Hourglass Nebula. With its nuclear fuel exhausted, this brief, spectacular, closing phase of a sun-like star's life occurs as its outer layers are ejected and its core becomes a cooling, fading white dwarf. In 1995, astronomers used the Hubble Space Telescope to make a series of images of planetary nebulae, including the one above. Here, delicate rings of colorful glowing gas (nitrogen-red, hydrogen-green, and oxygen-blue) outline the tenuous walls of the 'hourglass.' The unprecedented sharpness of Hubble's images revealed surprising details of the nebula ejection process and may resolve the outstanding mystery of the variety of complex shapes and symmetries of planetary nebulae. Image Credit: NASA, WFPC2, HST, R. Sahai and J. Trauger (JPL)... | ||
| 03 Sep 2010 | ||
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