An international team of astronomers has conducted spectroscopic and photometric observations of a cataclysmic variable (CV) known as V1460 Her. Results of the study indicate that the system consists of a fast-spinning white ...
Recent observations of Betelgeuse have revealed that the star's unexpected and significant dimming periods in late 2019 and early 2020 were most likely caused by the ejection and cooling of dense hot gases, and that the star ...
Astronomy
Aug 13, 2020
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34373
Astronomers have used the National Science Foundation's Karl G. Jansky Very Large Array (VLA) and NASA's Spitzer Space Telescope to make the first measurement of wind speed on a brown dwarf—an object intermediate in mass ...
Astronomy
Apr 9, 2020
3
1177
Astronomers have employed the Microvariability and Oscillations of Stars (MOST) space telescope to conduct a new investigation of the enigmatic variable star 21 Comae whose nature is still widely debated. Results of the new ...
(Phys.org)—L1551 IRS 5 is a young binary star, only about half a million years old. Due to its proximity (about 450 light years away) and its high activity, the system has been intriguing astronomers for many years. Malcolm ...
(PhysOrg.com) -- A mystery that began nearly 2,000 years ago, when Chinese astronomers witnessed what would turn out to be an exploding star in the sky, has been solved. New infrared observations from NASA's Spitzer Space ...
Astronomy
Oct 24, 2011
8
0
Scientists have ruled out the possibility that methane is delivered to Mars by meteorites, raising fresh hopes that the gas might be generated by life on the red planet, in research published tomorrow in Earth and Planetary ...
Space Exploration
Dec 8, 2009
11
0
Will ice floating in the Arctic Ocean move faster or slower over the coming decades? The answer to this question will tell us whether marine transportation can be expected to get more or less hazardous. It might also have ...
Earth Sciences
Mar 5, 2024
1
299
Scientists at the University of Graz, in collaboration with researchers from Skoltech, have achieved a breakthrough in solar physics by utilizing artificial intelligence to simulate the magnetic field in the upper atmosphere ...
Astronomy
Jul 14, 2023
0
307
On Feb. 3, an asteroid more than three times as long as it is wide safely flew past Earth at a distance of about 1.1 million miles (1.8 million kilometers, or a little under five times the distance between the Moon and Earth). ...
Planetary Sciences
Feb 18, 2023
0
612
