Wir haben ein Recht auf Sternenlicht


Zwei Milliarden Menschen, beklagte ein Astronomen-Treffen in Rio de Janeiro, können die Milchstraße nicht sehen, weil für sie die Nacht nie wirklich dunkel wird: Elektrisches Licht verhindert, dass wir unsere nächtliche Umwelt noch wahrnehmen können. Die Astronomen fordern Grenzen für Lichtsmog.

spiegel.de

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Skywatchers set for meteor shower


Skygazers are getting ready to watch the annual Perseid meteor shower, which peaks on Wednesday.

The Perseid shower occurs when the Earth passes through a stream of dusty debris from the comet Swift-Tuttle.

bbc.co.uk Online resources for the amateur astronomer

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Space Observatories at Mauna Kea -World's Tallest Mountain


The peak of Hawaii's Mauna Kea is 13,796 feet (4,205 m) above mean sea level but 33,476 feet (10,203 m) above its base on the floor of the Pacific Ocean makes it the world's tallest mountain, taller than Mount Everest, which is the highest mountain above sea level.

Mauna Kea

dailygalaxy.com

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Orbit Your Own Satellite For $8,000


Interorbital's TubeSat Personal Satellite Kit, which allows anyone to send a half-pound payload to low-earth orbit for $8,000. Your satellite will fly to orbit from Tonga atop an Interorbital Systems NEPTUNE 30 rocket along with 31 other TubeSats. It will function for several weeks, then its orbit will decay and it will burn up in the atmosphere. Interorbital plans to send up a load of 32 TubeSats every month.

interorbital

interorbital.com brochure [pdf]via

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Giant 'soap bubble' found floating in space


IT LOOKS like a soap bubble or perhaps even a camera fault, but the image at right is a newly discovered planetary nebula.

Planetary nebulae, which got their name after being misidentified by early astronomers, are formed when an ageing star weighing up to eight times the mass of the sun ejects its outer layers as clouds of luminous gas (see Why stars go out in a blaze of glory). Most are elliptical, double-lobed or cigar-shaped, evolving after stars eject gas from each pole (see a gallery of the nebulae).

Giant 'soap bubble' found floating in space

newscientist.com

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Space Station Is Near Completion, Maybe the End


A number of times in recent weeks a bright, unblinking light has appeared in the night sky of the nation's capital: a spaceship. Longer than a football field, weighing 654,000 pounds, the spaceship moved swiftly across the heavens and vanished.

Fortunately, it was one of ours.

washingtonpost.com

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Herschel yields new galaxy image


The European Space Agency (Esa) has released a stunning image of the spiral galaxy M51, otherwise known as the Whirlpool Galaxy.

It is a composite of images taken by Europe's Herschel space observatory and the Hubble Space Telescope.

Herschel yields new galaxy image

bbc.co.uk

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Galaxy may be full of 'Earths,' alien life


As NASA prepares to hunt for Earth-like planets in our corner of the Milky Way galaxy, there's new buzz that "Star Trek's" vision of a universe full of life may not be that far-fetched. An artist's impression shows a planet passing in front of its parent star. Such events are called transits.

Pointy-eared aliens traveling at light speed are staying firmly in science fiction, but scientists are offering fresh insights into the possible existence of inhabited worlds and intelligent civilizations in space.

cnn.com

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Lost in Space: 8 Weird Pieces of Space Junk


Humans have ventured into space over the last 50 years, and all manner of junk has been left behind. From tiny bolts to whole space stations, people have discarded lots of stuff up there. Much of it eventually dies a fiery death as it falls through Earth's atmosphere, but some larger debris poses risks for astronauts and spacecraft that could collide with it. Here are some of the quirkier items left in space:

Space Junk

wired.com

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Russia says no more space tourists after 2009


Russia's space agency chief said there's no more room for space tourists in the International Space Station after this year because of plans to double the full-time crew at the orbiting outpost

Roskosmos top brass Anatoly Perminov told the government newspaper Rossiiskaya Gazeta in an interview published today that the last commercial flights will be made by Vladimir Gruzdev, a cosmonaut from the ex-Soviet republic sometime in Fall 2009, and by US software designer Charles Simonyi in March.

theregister.co.uk

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Astronomers resurrect historic supernova using interstellar 'mirror'


Astronomers have used light echoes from a supernova explosion as a time machine to look again at a historic stellar event first witnessed on Earth more than 400 years ago.

The brilliant 'new star' appeared in the sky in 1572 and was so bright it could be seen during the day. It was observed and charted by astronomer Tycho Brahe who discovered it was far away from the moon.

dailymail.co.uk

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Phoenix lander declared dead


Nasa says its Phoenix lander on the surface of Mars has gone silent and is almost certainly dead.

Engineers have not heard from the craft since Sunday 2 November when it made a brief communication with Earth.

bbc.co.uk reuters.com NASA loses contact with Mars lander, ends mission Interview @MarsPhoenix

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