Alternativt > Astronomi
For me, the last two days of this year’s spring AAS meeting seemed to narrow in on both the future and the past of astronomy.
(www.astronomy.com)
[10.06.2017 01:27]
The TRAPPIST-1 system may have formed pebble-by-pebble.
Les mer »
New research suggests a gradual accumulation of dirt and ice made the seven icy planets.
(www.astronomy.com) |
Relativitätstheorie : Einstein bewiesen - schon wieder!
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Es ist, als ob man den Stern auf die Waage legen würde. Wozu die Masse eines Weißen Sterns kennen? Um zu testen, ob Einsteins Theorie stimmt. Und siehe da: Das tut sie.
(www.zeit.de) |
Don't Let an Old Myth Prevent Your Child from Seeing the Solar Eclipse.
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In Joe Rao's "Looking Up!: The Science of Stargazing," illustrated by Mark Borgions, children learn how to safely view the 2017 total solar eclipse. Credit: Simon Spotlight
(www.space.com) |
How Old is the Universe?
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A 2013 map of the background radiation left over from the Big Bang, taken by the ESA's Planck spacecraft, captured the oldest light in the universe.
(www.space.com) |
Potential building block of life found in very young star system.
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Two teams of researchers report today that they have detected a prebiotic molecule—a potential building block of life—around newly formed sun-like stars.
(sciencenow.sciencemag.org) |
Astronomie: Wie man einen Stern wiegt.
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Das Hubble-Weltraumteleskop misst, wie ein Weißer Zwergstern das von einem Stern hinter ihm kommende Licht beugt. Aus diesem...
(www.tagesspiegel.de) |
Capricornus Constellation: Facts About the Sea Goat.
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This sky map shows the location of the constellation Capricornus in the October evening sky as viewed from mid-northern latitudes. Credit: Starry Night Software.
(www.space.com) |
DSCOVR Observes Flashes Of Light From Earth's Oceans.
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Situated about 1.6 million kilometers from Earth toward the Sun, NOAA's Deep Space Climate Observatory maintains a constant view of the sunlit face of our planet.
(www.spaceref.com) |
Gravitation Lensing Imagery of the Brightest Infrared Galaxies.
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Boosted by natural magnifying lenses in space, NASA's Hubble Space Telescope has captured unique close-up views of the universe's brightest infrared galaxies, which are as much as 10,000 times more luminous than our Milky Way.
(www.spaceref.com) |
The 230th Meeting of the American Astronomical Society: Tuesday.
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Tuesday at the AAS was a trip through a number of different astronomical fields, from stars to galaxies and back to the solar system we call home.
(www.astronomy.com) |
Astronomers weigh a white dwarf using gravitational lensing.
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The result confirms our current theory of white dwarf physics.
(www.astronomy.com) |
Watching a Volatile Stellar Relationship.
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In biology, symbiosis refers to two organisms that live close to and interact with one another.
(www.spaceref.com) |
Astronomers measure the mass of a star—thanks to an old tip from Einstein.
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“This is a really elegant piece of work they’ve done,” says astronomer Martin Barstow of the University of Leicester in the United Kingdom, “and a nice echo of a century of general relativity.”.
(sciencenow.sciencemag.org) |
Earth Faces an Increased Risk of Being Hit by an Asteroid, Astronomers Warn.
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Artist's illustration depicting a massive asteroid impact on Earth. Credit: NASA/Don Davis.
(www.space.com) |
Gravitational lenses reveal the universe’s brightest galaxies.
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These extreme galaxies will show us how stars formed in the early universe.
(www.astronomy.com) |
Do stellar flares damage exoplanets?
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A new database will help astronomers determine whether flares affect planet habitability.
(www.astronomy.com) |
Talking to E.T.? Why Math May Be the Best Language.
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How best to strike up conversations with intelligent aliens? Mathematics might be the common lingo. Credit: ESA/Hubble & NASA.
(www.space.com) |
Neil deGrasse Tyson Becomes 1st American to Receive Stephen Hawking Medal.
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Neil deGrasse Tyson and Jean-Michel Jarre will receive the Stephen Hawking Medal for Science Communication this year.
(www.space.com) |
The 230th Meeting of the American Astronomical Society: Monday.
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This week marks the 230th Meeting of the American Astronomical Society, currently taking place in Austin, Texas.
(www.astronomy.com) |
Surprise! Giant Exoplanet 'Cousins' Have Different Atmospheres.
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Observations by NASA's Hubble Space Telescope indicate that the upper atmosphere of the hot Jupiter exoplanet HAT-P-38b is free of clouds or hazes, whereas most of the atmosphere of WASP-67b — a similar planet in many ways — is masked by high-altitude clouds.
(www.space.com) |
David Eicher Starmus 2017 Schedule.
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Starmus IV is about to begin! With each iteration, the Festival becomes larger. This year’s event will no doubt be the largest and most spectacular yet.
(www.astronomy.com) |
Bitcoin-verdien stupte etter Twitter-melding fra milliardær Mark Cuban.
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Tydeligvis så lytter folk når mangemilliardær Mark Cuban har et synspunkt. Etter en Twitter-melding med en Bitcoin-advarsel sank kursen umiddelbart.
(Nettavisen / Utenriks) |
An observatory higher than the sky.
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Pioneering astronomy work is being done at this hidden gem in China.
(www.astronomy.com) |
A Planet That Is Hotter Than Most Stars.
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A newly discovered Jupiter-like world is so hot, it's being vaporized by its own star.
(www.spaceref.com) |
Baby black holes get a kick during formation.
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If black holes get a kick at birth, our current supernova theory might need some updating.
(www.astronomy.com) |
We’ve just found the hottest planet ever.
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This gas giant gives “hot Jupiter” a whole new meaning.
(www.astronomy.com) |
Willkommen Klimawandel!
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Endlich ist jetzt der erste Stein aus dem Klimaschutzgebäude entfernt.
(www.wienerzeitung.at) |
NRL Astronomers Inspire Youth to Gaze at Stars.
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Naval Research Laboratory astronomers will point their telescopes toward the stars during the annual Astronomy Night on the National Mall June 2.
(www.spacedaily.com) |
'Vacation Guide to the Solar System': Where Would YOU Go?
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“Vacation Guide to the Solar System” by Olivia Koski and Jana Grcevich Credit: Random House.
(www.space.com) |
: CERN planlegger neste versjon av verdens største maskin.
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Verdens største og kraftigste akselerator, Large Hadron Collider ved CERN, har bare vært i bruk siden 2010, men arvtakeren er allerede under planlegging. Men hva får vi for pengene?
(Forskning) |
Asteroid Hunter NEOWISE Makes Many New Discoveries.
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NASA's Near-Earth Object Wide-field Infrared Survey Explorer mission has released its third year of survey data, with the spacecraft discovering 97 previously unknown celestial objects in the last year.
(www.spaceref.com) |
Hottest Alien Planet Ever Discovered Is a Real Scorcher.
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Artist’s illustration showing the bright star KELT-9 and its ultrahot planet, KELT-9b. Credit: Robert Hurt/NASA/JPL-Caltech.
(www.space.com) |
New Jupiter-like world so hot it stretches definition of 'planet'.
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A newly discovered Jupiter-like world is so hot that it's stretching the definition of the word "planet."
(www.spaceref.com) |
RIT study suggests dying stars give newborn black holes a swift kick.
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New information gleaned from gravitational wave observations is helping scientists understand what happens when massive stars die and transform into black holes.
(www.spaceref.com) |
Discovery reveals planet almost as hot as the Sun.
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A newly discovered planet almost three times the size of Jupiter is fascinating scientists with a unique orbit, atmospheric features and a daytime temperature hotter than most stars.
(www.spaceref.com) |
MIT students propose Apophis asteroid mission.
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After working hard to design a spacecraft, the students presented their ideas to NASA scientists.
(www.astronomy.com) |
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