European space probe enters Venus orbit | india | Hindustan Times
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European space probe enters Venus orbit

The unmanned mission is the European Space Agency's first to Venus, a cloud-covered, scorching-hot planet closer to the sun than Earth.

india Updated: Apr 12, 2006 18:51 IST

A European space probe began orbiting Venus on Tuesday after a five-month voyage of 400 million kms across space.

Venus Express began circling the planet at 0807 GMT, but scientists at the European Space Agency (ESA) were waiting for the probe to direct its main antenna towards Earth to ascertain whether the manoeuvre was a success.

The unmanned mission is the ESA's first to Venus, a cloud-covered, scorching-hot planet closer to the sun than Earth.

The crucial commands for the orbit were radioed from the European Space Operations Centre (ESOC) at Darmstadt, southern Germany.

The Venus Express fired steering and retro-rockets so that it loses speed at the appropriate moment and is caught by the gravity of Venus.

If this went wrong, the craft could either crash on the surface or fly back, and back into space.

"This is a very special moment," said ESA director-general Jean Jacques Dordain.

The 1.2-tonne unmanned probe blasted off on its mission from Kazakhstan on November 9 last year.

Costing 220 million euros ($264 million), the satellite will fly in an elliptical orbit around the planet's two poles, descending as low as 250 km altitude and as high as 66,000 km.

No landing is planned on the surface, where temperatures above 400 degrees Celsius prevail.

Scientists, through this mission, hope to learn about how atmospheres and climates are established on planets.