UA-113443594-1

Hubble solves cosmic ‘whodunit’ with interstellar forensics

On the outskirts of our galaxy, a cosmic tug-of-war is unfolding-and only NASA's Hubble Space Telescope can see who's winning. The players are two dwarf galaxies, the Large Magellanic Cloud and the Small Magellanic Cloud, both of which orbit our own Milky Way Galaxy. But as they go around the Milky Way, they are also orbiting each other. Each one tugs at the other, and…

An exoplanet loses its atmosphere in the form of a tail

A new study, led by scientists from the Instituto de Astrofísica de Canarias (IAC), reveals that the giant exoplanet WASP-69b carries a comet-like tail made up of helium particles escaping from its gravitational field propelled by the ultraviolet radiation of its star. The results of this work are published today in the journal Science. To detect the atmosphere of the giant exoplanet WASP-69b the scientists…

How to escape a black hole: simulations provide new clues about...

Black holes are known for their voracious appetites, binging on matter with such ferocity that not even light can escape once it's swallowed up. Less understood, though, is how black holes purge energy locked up in their rotation, jetting near-light-speed plasmas into space to opposite sides in one of the most powerful displays in the universe. These jets can extend outward for millions of light…

Research sheds new light on what drove last, long-term global climate...

The quest to discover what drove the last, long-term global climate shift on Earth, which took place around a million years ago, has taken a new, revealing twist. A team of researchers led by Dr Sev Kender from the University of Exeter, have found a fascinating new insight into the causes of the Mid-Pleistocene Transition (MPT) - the phenomenon whereby the planet experienced longer, intensified…

Uncovering the hidden history of a giant asteroid

IMAGE: This is an artist's concept of a massive 'hit-and-run' collision hitting Asteroid Vesta. view more  Credit: Mikiko Haba A massive 'hit-and-run' collision profoundly impacted the evolutionary history of Vesta, the brightest asteroid visible from Earth. This finding, by a team of researchers from Tokyo Institute of Technology, Japan's National Institute of Polar Research and ETH Zurich, Switzerland, deepens our understanding of protoplanet formation more than…

Found: Fastest eclipsing binary, a valuable target for gravitational wave studies

Observations made with a new instrument developed for use at the 2.1-meter (84-inch) telescope at the National Science Foundation's Kitt Peak National Observatory have led to the discovery of the fastest eclipsing white dwarf binary yet known. Clocking in with an orbital period of only 6.91 minutes, the rapidly orbiting stars are expected to be one of the strongest sources of gravitational waves detectable with…

NASA finds wind shear and cooler waters winding down Tropical Depression...

IMAGE: NASA-NOAA's Suomi NPP satellite provided a visible image of Tropical Depression 7E on Monday, July 20 at 6:36 p.m. EDT (2236 UTC) and revealed it was devoid of strong thunderstorms... view more  Credit: Credit: NASA Worldview, Earth Observing System Data and Information System (EOSDIS) NASA-NOAA's Suomi NPP satellite passed over the Eastern Pacific Ocean and provided forecasters with a visible image of the waning Tropical…

NASA’s IMERG measures heavy rainfall in California wildfire areas

Heavy precipitation recently fell in areas of California that were recently devastated by deadly wildfires such as the Camp Fire and the Woolsey fire. This flooding rainfall has resulted in evacuations in burn scarred areas such as Butte County where the deadly Camp Fire hit this month. NASA used data from satellites and other sources to calculate the amount of rainfall that has occurred recently.…

Surface Pro 5 release date, news and rumors

You might suspect that the Surface Pro 2017 is the closest we’ll ever get to the Surface Pro 5, but if Microsoft itself is anything to go by, you would be dead wrong. The Surface Pro 5 doesn’t exist right now, as Microsoft Surface leader Panos Panay confirmed last May, but it will when more…

Anemic galaxy reveals deficiencies in ultra-diffuse galaxy formation theory

IMAGE: DGSAT I (left), an ultra-diffuse galaxy (UDG), is shown next to a normal spiral galaxy (right) for comparison. Both are similar in size, but UDGs like DGSAT I have so... view more  Credit: A. ROMANOWSKY/UCO/D. MARTINEZ-DELGADO/ARI Maunakea, Hawaii - A team of astronomers led by the University of California Observatories (UCO) have studied in great detail a galaxy so faint and in such pristine condition…
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