Wonderful VLT time lapse

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Here is a new time lapse video (set it to 720p to fully appreciate it) of the night sky at Cerro Paranal in Chile. All the images were taken at the European Southern Observatory’s Very Large Telescope, in the Atacama desert, a place known for having one of the darkest …

Classical gravity proven wrong?

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In the early 1980’s, Mordehai Milgrom proposed that Newton’s law of gravity could be modified as a replacement for dark matter. Three researchers now claim that gravity in the regime of extremely small accelerations fail, and that they have proven it.
Modified Newtonian Dynamics (MOND) were proposed to explain the galaxy …

Liquid water on Enceladus?

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Enceladus, one of Saturn’s moons, is covered with water ice. Could there be a liquid ocean beneath the icy crust? As announced at a meeting of NASA’s Enceladus Focus Group at the SETI Institute in Mountain View, California, there seems to be more and more evidence supporting that idea.
In 2005, …

Small Bangs: The comeback of white holes?

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Gamma-ray bursts are flashes of gamma rays, associated with the most energetic explosions in the universe. Could some of them be white holes? This is the new proposal of Alon Retter and Shlomo Heller, describing white holes as “small bangs”.
Gamma-ray bursts are classified in two categories: long gamma-ray bursts, and …

Is there a place for God in astrophysics?

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Recently, the famous British physicist Stephen Hawking stirred up religious communities with his statement “There is no Heaven, it’s a fairy story”. I am not going to cover Hawking’s interview with the Guardian once more, as it has already been done many times, but I would like to discuss the …

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