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February 16, 2015

"The Pale Blue Dot" --25 Years After Voyager 1 Took the Iconic Image

 

 

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It was on Feb. 14, 1990, that the Voyager 1 spacecraft looked back at our solar system and snapped the first-ever pictures of the planets from its perch at that time beyond Neptune, capturing Neptune, Uranus, Saturn, Jupiter, Earth and Venus from Voyager 1's unique vantage point. A few key members did not make it in: Mars had little sunlight, Mercury was too close to the sun, and dwarf planet Pluto turned out too dim. The image of Earth contains scattered light that resembles a beam of sunlight, which is an artifact of the camera itself that makes the tiny Earth appear even more dramatic. Voyager 1 was 40 astronomical units from the sun at this moment. One astronomical unit is 93 million miles, or 150 million kilometers.

Continue reading ""The Pale Blue Dot" --25 Years After Voyager 1 Took the Iconic Image" »


Starburst Galaxies May Create Stars Different From Those in the Milky Way

 

 

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"All stars form in dense clouds of dust and gas," said Adam Leroy, an astronomer formerly with the National Radio Astronomy Observatory (NRAO) in Charlottesville, Virginia, and now with The Ohio State University in Columbus. "Until now, however, scientists struggled to see exactly what was going on inside starburst galaxies that distinguished them from other star-forming regions."

Continue reading "Starburst Galaxies May Create Stars Different From Those in the Milky Way" »


February 15, 2015

"The Great Attractor" --What's "Pulling" the Massive Galaxy Clusters of the Universe? (A Weekend Insight)

 

 

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“Just as a fish may be barely aware of the medium in which it lives and swims, so the microstructure of empty space could be far too complex for unaided human brains," according to Sir Martin Rees, cosmologist and astrophysicist and Astronomer Royal of Great Britain.

Continue reading ""The Great Attractor" --What's "Pulling" the Massive Galaxy Clusters of the Universe? (A Weekend Insight)" »


February 14, 2015

"The Big Bang was a Mirage from a Collapsing Higher-Dimensional Star" (Week's Most Popular)

 

 

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Big Bang was a mirage from collapsing higher-dimensional star, theorists propose. While the recent Planck results “prove that inflation is correct”, they leave open the question of how inflation happened. A new The study could help to show how inflation was triggered by the motion of the Universe through a higher-dimensional reality.

Continue reading " "The Big Bang was a Mirage from a Collapsing Higher-Dimensional Star" (Week's Most Popular)" »


February 13, 2015

NASA VIDEO: Close-Up of Pluto's Moon Charon --Does It Harbor a Buried Ocean?

 

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The time-lapse “movie” of Pluto and its largest moon, Charon, below was recently shot at record-setting distances with the Long-Range Reconnaissance Imager (LORRI) on NASA’s New Horizons spacecraft. The movie was made over about a week, from Jan. 25-31, 2015. It was taken as part of the mission’s second optical navigation (“OpNav”) campaign to better refine the locations of Pluto and Charon in preparation for the spacecraft’s close encounter with the small planet and its five moons on July 14, 2015.

Continue reading "NASA VIDEO: Close-Up of Pluto's Moon Charon --Does It Harbor a Buried Ocean?" »


Gargantua! "Interstellar" Science Team Makes Real-World Discoveries About the Movies Black Hole's Shadow

 

 

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The team responsible for the Oscar-nominated visual effects at the centre of Christopher Nolan's epic, Interstellar, have turned science fiction into science fact by providing new insights into the powerful effects of black holes. In a paper published today, 13 February, the team describes the innovative computer code that was used to generate the movie's iconic images of the wormhole, black hole and various celestial objects, and explain how the code has led them to new science discoveries.

Continue reading "Gargantua! "Interstellar" Science Team Makes Real-World Discoveries About the Movies Black Hole's Shadow" »


February 12, 2015

Birth of a Star Quartet Observed

 

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An international team of astrophysicists has witnessed a unique event: for the first time, researchers have discovered the formation of a quadruple star system from widely separated fragments of a filamentary gas cloud in the Perseus constellation.

Continue reading "Birth of a Star Quartet Observed" »


Birth of a Star Quartet Observed

 

86558_web

 

An international team of astrophysicists has witnessed a unique event: for the first time, researchers have discovered the formation of a quadruple star system from widely separated fragments of a filamentary gas cloud in the Perseus constellation.

Continue reading "Birth of a Star Quartet Observed" »


February 11, 2015

"New Phenomena Hints Dark Matter May Be an Unknown Kind of Particle" (Today's Most Popular)

 

 

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“Dark matter is there,” says says Paolo Zuccon, an assistant professor of physics at MIT. “We just don’t know what it is. AMS has the possibility to shine a light on its features. We see some hint now, and it is within our possibility to say if that hint is true.”

Continue reading ""New Phenomena Hints Dark Matter May Be an Unknown Kind of Particle" (Today's Most Popular)" »


Black Hole Storm Raging at Center of The Teacup Galaxy

 

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Astronomers using the National Science Foundation's Very Large Array (VLA) found surprisingly energetic activity in what the Teacup Galaxy, providing important insight on how supermassive black holes can have a catastrophic effect on the galaxies in which they reside.

Continue reading "Black Hole Storm Raging at Center of The Teacup Galaxy" »




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