A team using the Hubble Space Telescope has imaged circumstellar disk structures (CDSs) around three stars similar to the sun. The stars are all G-type solar analogs, and the disks themselves share similarities with our Solar ...
Astronomy
Sep 14, 2016
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Our solar system sure seems like an orderly place. The orbits of the planets are predictable enough that we can send spacecraft on multi-year journeys to them and they will reliably reach their destinations. But we've only ...
Astronomy
Apr 22, 2016
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A team from the Astrophysics, Instrumentation and Modelling laboratory at Paris-Saclay (AIM – CNRS/CEA/Université Paris Diderot) has developed a new model that represents the evolution of protoplanetary disks over millions ...
Astronomy
May 7, 2015
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An annular eclipse of the Sun, when a ring of everyday Sun remains around the Moon's silhouette, will sweep across the Australian outback and into the Pacific Ocean on the morning of May 10, local time. Though about 95% of ...
Space Exploration
Apr 30, 2013
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(Phys.org) —Something unexpected is happening on the Sun. 2013 was supposed to be the year of "solar maximum," the peak of the 11-year sunspot cycle. Yet 2013 has arrived and solar activity is relatively low. Sunspot numbers ...
Space Exploration
Mar 8, 2013
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On Feb. 11, 2010, NASA launched an unprecedented solar observatory into space. NASA's Solar Dynamics Observatory (SDO) flew up on an Atlas V rocket, carrying instruments that scientists hoped would revolutionize observations ...
Space Exploration
Feb 13, 2013
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The very rare astronomical event of Venus, the nearest planet to Earth, passing in front of the solar disk on June 5th and 6th, 2012, was captured by an international team headed by Jay Pasachoff (Williams College and Caltech) ...
Space Exploration
Oct 22, 2012
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(Phys.org)—At the onset of a series of coronal mass ejections (CMEs) on August 20, 2012, this bulbous CME certainly resembled a light bulb. It has the thin outer edge and a bright, glowing core at its center. CMEs are often ...
Space Exploration
Aug 27, 2012
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During a total eclipse of the Sun, skywatchers are awed by the shimmering corona -- a faint glow that surrounds the Sun like gossamer flower petals. This outer layer of the Sun's atmosphere is, paradoxically, hotter than ...
Space Exploration
Jan 4, 2011
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A new technique is being developed to detect water in the protoplanetary disks of other solar systems. If successful, it would help in our understanding of how habitable planets form.
Astronomy
Feb 18, 2010
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