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Gravitational waves produced by two neutron stars colliding have been detected for the first time. The detection, by the Ligo team, has confirmed long-held theories about what happens when two of these powerful objects come together. Neutron stars are the strangest stars in the Universe. Produced when the largest stars come of the end of their life, run out of fuel and collapse in on themselves, neutron stars are the smallest and most dense stars can get. Just one teaspoon of neutron star material is as heavy as the Great Pyramid of Giza.


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It is one of cosmology’s more perplexing problems: that up to 90% of the ordinary matter in the universe appears to have gone missing. Now astronomers have detected about half of this missing content for the first time, in a discovery that could resolve a long-standing paradox.


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Russian space agency Roscosmos announced Wednesday that it was collaborating on a NASA-led project to facilitate scientific missions in the moon's orbit and to its surface. Russia and the U.S. are also developing international standards for space exploration, Agence France-Presse reports.


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Astronomers say they have detected another set of gravitational waves — ripples in the fabric of space and time traveling throughout the Universe. It’s the fourth time this phenomenon has been measured by the scientists at LIGO, or the Laser Interferometer Gravitational-Wave Observatory. The same group made history by detecting the first wave signals early last year. While such detections seem to be routine now, this latest discovery is unique since it was also picked up by a separate non-LIGO observatory.


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Musk doesn’t want to wait the next time he feels like eating street noodles in Shanghai, so he wants to use his BFR to replace airplanes for long-distance travel here on Earth. According to Musk, the cost per seat would be “about the same as full-fare economy in an aircraft.” Imagine that: 24 minutes to fly from New York to Shanghai. Or one hour to fly to your location’s antipodes.


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Venus, while certainly inhospitable to humans, is almost just as rough for robots. The last time a robot visited the surface of Venus was in the mid-80s, when the Soviet Union sent its Vega lander to capture data about the planet’s soil. It lasted for less than an hour. Which is why for the last year JPL engineers have been working to build a rover that could last on Venus for days, if not weeks or months.


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Researchers have learned that the Arecibo Observatory and its signature radio telescope took significant damage when the hurricane passed over. All staff members are thankfully safe for now, but an atmospheric radar line feed and a 39-foot dish (used for Very Long Baseline Interferometry) were lost in winds that reached up to 155MPH. The gigantic central dish is intact, although the line feed's collapse punctured it in places.


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Losing internet access was a bigger problem than personality clashes for six “astronauts” confined for eight months on a remote simulated Mars base, a British member of the team has said. Not a single personal insult was uttered by any member of the crew during the whole of the “mission”, which ended on 17 September, claimed astrobiologist Sam Payler, 28, a PhD student at the University of Edinburgh.


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The James Webb Space Telescope will be so sensitive, it could detect the heat signature of a bumblebee at the distance of the moon, and can see details the size of a US penny at the distance of about 40 km.


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Today, on Friday Sept 15th, the spacecraft will make its final approach to the giant planet Saturn. But this encounter will be like no other. This time, Cassini will dive into the planet's atmosphere, sending science data for as long as its small thrusters can keep the spacecraft's antenna pointed at Earth. Soon after, Cassini will burn up and disintegrate like a meteor.


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After two decades in space, NASA's Cassini spacecraft is nearing the end of its remarkable journey of exploration. Having expended almost every bit of the rocket propellant it carried to Saturn, operators are deliberately plunging Cassini into the planet to ensure Saturn's moons will remain pristine for future exploration.


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Nasa’s Cassini mission to Saturn is entering its final week. On 15 September, it will dive towards the planet and burn up in its atmosphere. Nasa have called it the grand finale. Cassini is one of the most ambitious space missions. It is a collaboration between Nasa, ESA and the Italian space agency, Agenzia Spaziale Italiana. The spacecraft, launched on 15 October 1997, took seven years to travel through the solar system to Saturn, which lies about 10 times further from the Sun than Earth.


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Stephen Hawking’s Breakthrough Listen project picks up radio pulses that could be from black holes, neutron stars or, some speculate – UFO beacons


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With a crewed version of its Dragon cargo capsule in development, the SpaceX chief executive reveals the suits set to be worn by the company’s astronauts


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The eclipse from a different perspective #eclipse


Redshift Planetarium Software Redshift Planetarium Software
01.01.1970

Awesome views on the NASA - National Aeronautics and Space Administration live feed right now #eclipse


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Today all of North America will be treated to an eclipse of the sun. Anyone within the path of totality can see one of nature’s most awe inspiring sights - a total solar eclipse.


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The countdown to the great eclipse of 2017 is underway - follow it in detail with the new iOS app Solar Eclipse by Redshift #solareclipse #eclipse


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Get ready to experience the eclipse with the brand new iOS app Solar Eclipse by Redshift


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Millions of Americans will look up toward the sky on Monday and watch stars shine in the afternoon, feel the day’s heat swapped for an evening chill and hear the sounds of confused birds and animals during the first total eclipse seen in the continental US in 38 years. The spectacular event will cross a strip of the country occupied by 12.2 million people, with millions more expected to travel to the 70-mile-wide eclipse path, aiming to catch a glimpse of a site that has captured the imaginations of people for millennia.


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The Cassini probe has begun the final phase of its mission to Saturn. The satellite has executed the first of five ultra-close passes of the giant world, dipping down far enough to brush through the top of the atmosphere. It promises unprecedented data on the chemical composition of Saturn. It also sets the stage for the probe's dramatic end-manoeuvre next month when it will plunge to destruction in the planet's atmosphere.




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29. décembre - 12:25

Neptune1


» par looby

29. décembre - 11:53

Neptune1


» par looby

14. avril - 01:21

Astronomietag 2010


» par Jan Hattenbach

31. mars - 08:53

Komet Hyakutake 1996


» par saltu

31. mars - 08:45

Analemma


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