When our sun exhausts the hydrogen fuel in its core some 5 billion years from now, it will expand to become a red giant, engulfing the inner planets. The dynamics and possible outcomes of planetary engulfment are poorly understood, ...
Astronomy
Jun 13, 2022
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282
Nearly half of sun-size stars are binary. According to University of Copenhagen research, planetary systems around binary stars may be very different from those around single stars. This points to new targets in the search ...
Astronomy
May 23, 2022
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708
What is it like to be on the surface of Mars or Venus? Or even further afield, such as on Pluto, or Saturn's moon Titan?
Astronomy
May 20, 2022
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154
A group of astronomers, led by Sierk van Terwisga from the Max Planck Institute for Astronomy, have analyzed the mass distribution of over 870 planet-forming disks in the Orion A cloud. By exploiting the statistical properties ...
Astronomy
May 6, 2022
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590
For the past 30 years, the star β Pictoris has fascinated astronomers because it enables them to observe a planetary system in the process of formation. It is made up of at least two young planets, and also contains comets, ...
Astronomy
Apr 28, 2022
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198
Even in our cosmic backyard, the solar system, many questions remain open. On Venus there are formations similar to volcanoes, but it is not known if they are active. The surface of Mars suggests that there was once a vast ...
Astrobiology
Apr 1, 2022
1
332
Strange lumpy terrain on Pluto unlike anything previously observed in the solar system indicates that giant ice volcanoes were active relatively recently on the dwarf planet, scientists said on Tuesday.
Planetary Sciences
Mar 29, 2022
5
729
A team of scientists found NASA's Nancy Grace Roman Space Telescope will be able to measure a specific kind of space dust littered throughout dozens of nearby planetary systems' habitable zones, or the regions around stars ...
Astronomy
Mar 17, 2022
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266
A small asteroid hit Earth's atmosphere over the Norwegian Sea before disintegrating on March 11, 2022. But this event wasn't a complete surprise: Astronomers knew it was on a collision course, predicting exactly where and ...
Space Exploration
Mar 15, 2022
2
869
An energetic outburst from an infant star streaks across this image from the NASA/ESA Hubble Space Telescope. This stellar tantrum—produced by an extremely young star in the earliest phase of formation—consists of an ...
Astronomy
Mar 14, 2022
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41
