On June 7, 2011, Earth-orbiting satellites detected a flash of X-rays coming from the western edge of the solar disk. Registering only "M" (for medium) on the Richter scale of solar flares, the blast at first appeared to ...
Space Exploration
Jul 12, 2011
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A team led by University of Arizona astronomer Joshua Eisner has observed in unprecedented detail the processes giving rise to stars and planets in nascent solar systems.
Astronomy
Jun 11, 2010
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Astronomers using the twin 10-meter telescopes at the W. M. Keck Observatory in Hawaii have explored one of the most compact dust disks ever resolved around another star. If placed in our own solar system, the disk would ...
Astronomy
Sep 24, 2009
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While the upcoming total solar eclipse is a special moment to reflect on our place in the universe, scientists have been studying the birth of the sun and the formation of our solar system for a long time.
Astronomy
Apr 8, 2024
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Before planets form around a young star, the protosolar disk is populated with innumerable planetesimals. Over time, these planetesimals combine to form planets, and the core accretion theory explains how that happens. But ...
Planetary Sciences
Jan 12, 2024
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NASA's OSIRIS-REx spacecraft flew by Earth on Sept. 24, 2023, dropping off its sample of dust and pebbles gathered from the surface of near-Earth asteroid Bennu.
Astronomy
Oct 12, 2023
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Researchers led by Ph.D. candidate Zang Lei and Prof. Qian Shengbang from the Yunnan Observatories of the Chinese Academy of Sciences have discovered that the orbital evolution of the supersoft X-ray source WX Centauri (WX ...
Astronomy
Mar 15, 2023
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Researchers led by Zhang Yan and Yan Xiaoli from the Yunnan Observatories (YNAO) of the Chinese Academy of Sciences have revealed the formation mechanism of solar double-decker filament.
Astronomy
Jul 20, 2022
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The story of our solar system's origin is pretty well known. It goes like this: the sun began as a protostar in its "solar nebula" over 4.5 billion years ago. Over the course of several million years, the planets emerged ...
Astronomy
Jul 11, 2022
0
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Planetary systems form out of the remnant gas and dust of a primordial star. The material collapses into a protoplanetary disk around the young star, and the clumps that form within the disk eventually become planets, asteroids, ...
Space Exploration
Apr 12, 2021
0
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