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银河系中的物质含量只有仙女星系一半据国外媒体报道,银河系和仙女座大星系都位于本地星系群,从命名上就可以看出这两个星系是有差别的,因为仙女座星系前面还加了个“大”字,这说明仙女座星系确实很大,银河系的跨度要小于前者。。。

银河系中的物质含量只有仙女星系一半据国外媒体报道,银河系和仙女座大星系都位于本地星系群,从命名上就可以看出这两个星系是有差别的,因为仙女座星系前面还加了个“大”字,这说明仙女座星系确实很大,银河系的跨度要小于前者。。。

Mars probe to get rare view of comet - On October 19, 2014, Comet Siding Spring will swoop just 83,885 miles (135,000 km) above the Martian surface

Mars probe to get rare view of comet - On October 19, 2014, Comet Siding Spring will swoop just 83,885 miles (135,000 km) above the Martian surface

Violent stellar explosion: Stellar behemoth self-destructs in a Type IIb supernova  Date: May 21, 2014  Source: DOE/Lawrence Berkeley National Laboratory  Summary: For the first time, astronomers have direct confirmation that a Wolf-Rayet star -- sitting 360 million light years away -- died in a violent explosion known as a Type IIb supernova. Using the iPTF pipeline, researchers caught supernova SN 2013cu within hours of its explosion..

Violent stellar explosion: Stellar behemoth self-destructs in a Type IIb supernova Date: May 21, 2014 Source: DOE/Lawrence Berkeley National Laboratory Summary: For the first time, astronomers have direct confirmation that a Wolf-Rayet star -- sitting 360 million light years away -- died in a violent explosion known as a Type IIb supernova. Using the iPTF pipeline, researchers caught supernova SN 2013cu within hours of its explosion..

A quantum version of General Relativity demonstrates that dark energy and dark matter are different manifestations of gravity. The theory calculates the precise value of the cosmological constant, derives the baryonic Tully-Fisher relation, gives a quantum description of Black Holes and calculates the baryonic mass content of the observable universe.

A quantum version of General Relativity demonstrates that dark energy and dark matter are different manifestations of gravity. The theory calculates the precise value of the cosmological constant, derives the baryonic Tully-Fisher relation, gives a quantum description of Black Holes and calculates the baryonic mass content of the observable universe.

Star is discovered to be a close neighbor of the Sun and the coldest of its kind. WISE J085510.83-071442.5 was discovered through its rapid motion across the sky in two infrared images the WISE satellite taken six months apart in 2010. Two additional images were taken with the Spitzer Space Telescope in 2013 and 2014 to measure its distance via the parallax effect. (6.5LY)  (minus 54 and 9 degrees Fahrenheit - minus 48 to minus 13 degrees Celsius)(estimated to be 3 to 10 X the mass of…

Star is discovered to be a close neighbor of the Sun and the coldest of its kind. WISE J085510.83-071442.5 was discovered through its rapid motion across the sky in two infrared images the WISE satellite taken six months apart in 2010. Two additional images were taken with the Spitzer Space Telescope in 2013 and 2014 to measure its distance via the parallax effect. (6.5LY) (minus 54 and 9 degrees Fahrenheit - minus 48 to minus 13 degrees Celsius)(estimated to be 3 to 10 X the mass of…

Far Out: The Most Distant Star in the Milky Way - A star 890,000 light-years away patrols our galactic frontier

Far Out: The Most Distant Star in the Milky Way - A star 890,000 light-years away patrols our galactic frontier

Distant black holes in universe take scientists back in time  Window lets astronomers study dark energy of more than 10 billion years ago

Distant black holes in universe take scientists back in time Window lets astronomers study dark energy of more than 10 billion years ago

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