The very first stars likely formed when the universe was only 100 million years old, less than one percent its current age. These first stars—known as Population III—were so titanically massive that when they ended their ...
Astronomy
Sep 28, 2022
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2311
Herschel has carried out the first test observations with all its instruments, with spectacular results. Galaxies, star-forming regions and dying stars comprised the telescope's first targets. The instruments provided spectacular ...
Astronomy
Jul 10, 2009
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A moon-sized celestial object that crashed into the south pole: ETH researchers use a simulation to demonstrate why Mars consists of two notably different hemispheres.
Space Exploration
Jan 28, 2015
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125
The history of science is filled with stories of enthusiastic researchers slowly winning over skeptical colleagues to their point of view. Astrophysicist Scott Hughes can relate to these tales.
Astronomy
Apr 2, 2019
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36
(Phys.org) —Researchers at the University of Strathclyde in Glasgow have identified twelve easily retrievable objects among the population of near earth objects (NEOs). In their paper published this month in Celestial Mechanics ...
Look west in twilight this Friday and Saturday (February 20th and 21st), and an unusual astronomical sight will await you.
Space Exploration
Feb 18, 2015
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126
A new citizen-science project will rescue tens of thousands of potentially valuable cosmic images that are mostly dead to science and bring them fully back to life. Called Astronomy Rewind, the effort, which launches today ...
Astronomy
Mar 22, 2017
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64
A team of scientists has predicted the science return from one of NASA's Nancy Grace Roman Space Telescope's groundbreaking planned surveys, which will analyze millions of galaxies strewn across space and time. The mission's ...
Astronomy
Mar 22, 2022
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482
How old are each of the stars in our roughly 13-billion-year-old galaxy? A new technique for understanding the star-forming history of the Milky Way in unprecedented detail makes it possible to determine the ages of stars ...
Astronomy
Jan 10, 2019
2
358
It will appear in the West at sunset, from around the 8th to the 13th of March 2013, and will be visible to the naked eye up to the end of the month. Comet Pan-Starrs C/2011 L4 will traverse Cetus, Pisces, Pegasus and Andromeda. ...
Space Exploration
Mar 8, 2013
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