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Mr. Musk, the billionaire founder of SpaceX, hopes to make humanity a “multi-planetary species.”
via New York Times
Tuesday, 27 September 2016
How to follow Rosetta’s grand finale
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via ESA Space Science
http://www.esa.int/Our_Activities/Space_Science/Rosetta/How_to_follow_Rosetta_s_grand_finale
Rosetta is set to complete its historic mission in a controlled descent to the surface of its comet on 30 September, with the end of mission confirmation predicted to be within 20 minutes of 11:20 GMT (13:20 CEST).
via ESA Space Science
http://www.esa.int/Our_Activities/Space_Science/Rosetta/How_to_follow_Rosetta_s_grand_finale
Hubble spots possible water plumes erupting on Jupiter's moon Europa
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Astronomers have imaged what may be water vapor plumes erupting off the surface of Jupiter's moon Europa. This finding bolsters other Hubble observations suggesting the icy moon erupts with high altitude water vapor plumes.
via Science Daily
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Astronomers have imaged what may be water vapor plumes erupting off the surface of Jupiter's moon Europa. This finding bolsters other Hubble observations suggesting the icy moon erupts with high altitude water vapor plumes.
via Science Daily
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Scientists' finding supports moon creation hypothesis
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A layer of iron and other elements deep underground is the evidence scientists have long been seeking to support the hypothesis that the moon was formed by a planetary object hitting the infant Earth some 4.5 billion years ago, a new study argues.
via Science Daily
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A layer of iron and other elements deep underground is the evidence scientists have long been seeking to support the hypothesis that the moon was formed by a planetary object hitting the infant Earth some 4.5 billion years ago, a new study argues.
via Science Daily
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New low-mass objects could help refine planetary evolution
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When a star is young, it is often still surrounded by a primordial rotating disk of gas and dust, from which planets can form. Astronomers like to find such disks because they might be able to catch the star partway through the planet formation process, but it's highly unusual to find such disks around brown dwarfs or stars with very low masses. New work has discovered four new low-mass objects surrounded by disks.
via Science Daily
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When a star is young, it is often still surrounded by a primordial rotating disk of gas and dust, from which planets can form. Astronomers like to find such disks because they might be able to catch the star partway through the planet formation process, but it's highly unusual to find such disks around brown dwarfs or stars with very low masses. New work has discovered four new low-mass objects surrounded by disks.
via Science Daily
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X-rays that don't come from any known source
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Space is filled with types of light we can't see -- from infrared signals released by hot stars and galaxies, to the cosmic microwave background. Some of this invisible light that fills space takes the form of X-rays, the source of which has been hotly contended over the past few decades. A new study confirms some ideas about where these X-rays come from, shedding light on our solar neighborhood's early history. But it also reveals a new mystery -- an entire group of X-rays that don't come from any known source.
via Science Daily
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Space is filled with types of light we can't see -- from infrared signals released by hot stars and galaxies, to the cosmic microwave background. Some of this invisible light that fills space takes the form of X-rays, the source of which has been hotly contended over the past few decades. A new study confirms some ideas about where these X-rays come from, shedding light on our solar neighborhood's early history. But it also reveals a new mystery -- an entire group of X-rays that don't come from any known source.
via Science Daily
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How to merge two black holes in a simple way
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The merger of two black holes, such as the one that produced the gravitational waves discovered by the LIGO Observatory, is considered an extremely complex process that can only be simulated by the world's most powerful supercomputers. However, two theoretical physicists have demonstrated that what occurs on the space-time boundary of the two merging objects can be explained using simple equations, at least when a giant black hole collides with a tiny black hole.
via Science Daily
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The merger of two black holes, such as the one that produced the gravitational waves discovered by the LIGO Observatory, is considered an extremely complex process that can only be simulated by the world's most powerful supercomputers. However, two theoretical physicists have demonstrated that what occurs on the space-time boundary of the two merging objects can be explained using simple equations, at least when a giant black hole collides with a tiny black hole.
via Science Daily
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