(Phys.org)—Members of the International Astronomical Union have voted to approve a change to the definition of the famous "astronomical unit" aka, AU, from one based on variable data, to a definite number. The change has ...
(Phys.org)—Research presented today at the International Astronomical Union General Assembly in Beijing has found the first group of galaxies that is just like ours, a rare sight in the local Universe.
Astronomy
Aug 23, 2012
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New research shows that the Earth was impacted for a few hours by a stream of dust from a potentially dangerous comet on February 4, 2011.
Space Exploration
Aug 11, 2011
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Some of the world will be able to greet the first part of the new year with a solar eclipse. On the morning of Tuesday, January 4, 2011, an eclipse of the Sun will be widely visible across Europe and as far east as India. ...
Space Exploration
Dec 24, 2010
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Astronomers around the world are gearing up for three days of intense sky-watching in honour of Galileo, whose observations 400 years ago revolutionised our understanding of the cosmos.
Astronomy
Oct 22, 2009
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The public's "right to starlight" is steadily being eroded by urban illumination that is the bane of astronomers everywhere, the International Astronomical Union said on Friday.
Astronomy
Aug 15, 2009
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At sunset on Thursday, astronomers around the world will be limbering up for a 100-hour marathon aimed at celebrating the night sky and nurturing the Galileos of tomorrow.
Astronomy
Apr 2, 2009
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Astronomers this year are about to get a windfall of new and improved telescopes of unprecedented power with which to explore the universe. The bonanza arrives 400 years after Galileo spied craters on the moon through the ...
Astronomy
Jan 12, 2009
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The 2020s have already seen many lunar landing attempts, although several of them have crashed or toppled over. With all the excitement surrounding the prospect of humans returning to the moon, both commercial interests and ...
Astronomy
May 30, 2024
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This NASA/ESA Hubble Space Telescope image shows the jewel-bright spiral galaxy NGC 4689, which lies 54 million light-years from Earth in the constellation Coma Berenices. This constellation has the distinction of being the ...
Astronomy
May 24, 2024
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