A NASA team uses supercomputing to evaluate a retropropulsion-powered descent to the Martian surface for a Mars landing. The type of vehicle that will carry people to the Red Planet is shaping up to be “like a two-story house you’re trying to land on another planet. The heat shield on the front of the vehicle ...
Gravitational-wave researchers at the University of Birmingham have developed a new model that could help astronomers track down the origin of a heavy black hole nursery in the Universe. Black holes are formed following the collapse of stars and possibly supernova explosions. These colossally dense objects are measured in terms of solar masses (M⊙) — ...
How do galaxies such as our Milky Way come into existence? How do they grow and change over time? The science behind galaxy evolution has remained a puzzle for decades. Still, a University of Arizona-led team of scientists is one step closer to finding answers thanks to supercomputer simulations. Observing real galaxies in space can ...
When small, dense stars called white dwarfs explode, they produce bright, short-lived flares called Type Ia supernovae. These supernovae are informative cosmological markers for astronomers — for example, they were used to prove that the universe is accelerating in its expansion. White dwarfs are not all the same, ranging from half of the mass of ...
Astronomers are planning to hunt for cores of exoplanets around white dwarf stars by “tuning in” to the radio waves that they emit. In new research led by the University of Warwick, scientists have determined the best candidate white dwarfs to start their search, based on their likelihood of hosting surviving planetary cores and the ...
A determined bunch of scientists set out to map the Moon in preparation for the Apollo landings, but that was only the beginning. A new field of science blossomed, and UA scientists have been involved in nearly every U.S. space mission since expanding out to the Solar System. Here’s a fun thought: Imagine if University ...
Astronomers believe planets like Jupiter shield us from space objects that would otherwise slam into Earth. Now, they’re closer to learning whether these also guard solar systems elsewhere in the galaxy. A UCR-led team has discovered two Jupiter-sized planets about 150 light years away from Earth that could reveal whether life is likely on the ...
NASA’s New Horizons mission team has published the first profile of the farthest world ever explored, a planetary building block and Kuiper Belt object called 2014 MU69. Analyzing just the first sets of data gathered during the New Horizons spacecraft’s New Year’s 2019 flyby of MU69 (nicknamed Ultima Thule), the mission team quickly discovered an ...
Approximately every two Earth years, when it is summer on the southern hemisphere of Mars, a window opens: Only there and only in this season can water vapor efficiently rise from the lower into the upper atmosphere. There, winds carry the rare gas to the North Pole. While part of the water vapor decays and ...
Astronomers have discovered rapidly swinging jets coming from a black hole almost 8,000 light-years from Earth. Published today in the journal Nature, the research shows jets from V404 Cygni’s black hole behaving in a way never seen before on such short timescales. The jets appear to be rapidly rotating with high-speed clouds of plasma — ...
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