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IRON AND ICE
Christmas Comet Lovejoy Captured at Paranal
by Staff Writers
Vitacura, Chile (SPX) Dec 27, 2011


This photo comes from a time-lapse sequence taken by Gabriel Brammer from ESO just two days ago on 22 December 2011. Gabriel was finishing his night shift as support astronomer at the Paranal Observatory when the comet rose over the horizon just before dawn. Comet Lovejoy has been the talk of the astronomy community over the past few weeks. It was first discovered on 27 November by the Australian amateur astronomer Terry Lovejoy and was classified as a Kreutz sungrazer, with its orbit taking it very close to the Sun, passing a mere 140 000 kilometres from the its surface. Desktops available 1680 - 1280 - 1024

The recently discovered Comet Lovejoy has been captured in stunning photos and time-lapse video taken from ESO's Paranal Observatory in Chile. The comet graced the southern sky after it had unexpectedly survived a close encounter with the Sun.

A new time-lapse video sequence was taken by Gabriel Brammer from ESO less than two days ago on 22 December 2011. Gabriel was finishing his shift as support astronomer at the Paranal Observatory when Comet Lovejoy rose over the horizon just before dawn.

In the words of Gabriel Brammer himself: "On the last morning of my shift I tried to try catch it on camera before sunrise. The tail of the comet was easily visible with the naked eye, and the combination of the crescent Moon, comet, Milky Way and the laser guide star was nearly as impressive to the naked eye as it appears in the long-exposure photos."

The sequence also features the pencil-thin beam of the VLT's Laser Guide Star set against the beautiful backdrop of the Milky Way, as astronomers conduct their last observations for the night.

ESO optician Guillaume Blanchard made a marvellous wide-angle photo of Comet Lovejoy and ESO Photo Ambassador Yuri Beletsky, captured the spectacle from Santiago de Chile. Blanchard said: "For me this comet is a Christmas present to the people who will stay at Paranal over Christmas".

This bright comet was also seen from the International Space Station in another stunning time-lapse sequence on 21 December as the crew filmed lightning on the Earth's night side.

Comet Lovejoy has been the talk of the astronomy community over the past few weeks. It was discovered on 27 November by the Australian amateur astronomer Terry Lovejoy and was classified as a Kreutz sungrazer, with its orbit taking it very close to the Sun.

Just last week, the comet entered the Sun's corona, a much-anticipated event, passing a mere 140 000 kilometres from the Sun's surface. A close shave indeed...

The comet was expected to break up and vaporise, but instead it survived its steaming hot encounter with the Sun and re-emerged a few days later, much to everyone's surprise.

It is now visible from the southern hemisphere, appearing at dawn, and features a bright tail millions of kilometres long, composed of dust particles that are being blown away from the comet by the solar wind.

Lovejoy will now continue in its highly eccentric orbit around the Sun and once again disappear into the distant Solar System. It would be interesting to know if it will actually survive to re-appear in our skies in 314 years as predicted.

With this spectacular sequence of the 2011 Christmas Comet Lovejoy, ESO would like to

G. Brammer/ESO. Kreutz sungrazers are members of a family of comets thought to come from the break up of one single large comet in the 12th century, and which now orbit the Sun along the same path.

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Related Links
ESO
Gabriel Brammer's web page
Asteroid and Comet Mission News, Science and Technology






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IRON AND ICE
Comet Lovejoy Plunges into the Sun and Survives
Huntsville AL (SPX) Dec 19, 2011
This morning, an armada of spacecraft witnessed something that many experts thought impossible. Comet Lovejoy flew through the hot atmosphere of the sun and emerged intact. "It's absolutely astounding," says Karl Battams of the Naval Research Lab in Washington DC. "I did not think the comet's icy core was big enough to survive plunging through the several million degree solar corona for cl ... read more


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