Using unprecedented in-situ data from ESA's Cluster mission, scientists have shed light on the ever-changing nature of Earth's shield against cosmic radiation, its bow shock, revealing how this particle accelerator transfers ...
Astronomy
Feb 28, 2019
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195
Last week the much-awaited second slew of data from ESA's Gaia mission was released, providing information on a phenomenal 1.7 billion stars – the richest star catalogue to date.
Space Exploration
Apr 30, 2018
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17
Based on previously published data from the Gaia Mission, researchers at Heidelberg University have derived the conditions under which stars form. The Gaia satellite is measuring the three-dimensional positions and motions ...
Astronomy
Apr 20, 2018
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38
If you gazed at the night sky over the past few weeks, it is possible that you stumbled upon a very bright star near the Orion constellation. This is Sirius, the brightest star of the entire night sky, which is visible from ...
Astronomy
Jan 30, 2018
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34
In the latter years of the 18th century, astronomers William and Caroline Herschel began to count stars. William called the technique "star gauging" and his aim was to determine the shape of our Galaxy.
Astronomy
Nov 16, 2017
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38
Earth's atmosphere is leaking. Every day, around 90 tonnes of material escapes from our planet's upper atmosphere and streams out into space. Although missions such as ESA's Cluster fleet have long been investigating this ...
Space Exploration
Jul 8, 2016
17
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The Japanese Aerospace Exploration Agency (JAXA) has lost contact with its X-ray Astronomy Satellite Hitomi (ASTRO-H.) Hitomi was launched on February 17th, for a 3-year mission to study black holes. But now that mission ...
Space Exploration
Mar 30, 2016
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56
Human spaceflight and operations image of the week for 27 October 2015: All Hallows' Eve celebrates the cycle of destruction and rebirth, which our Cluster mission knows well.
Space Exploration
Oct 28, 2015
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18
From the tiniest fraction of a second after the Big Bang to the evolution of stars and galaxies over 13.8 billion years, ESA's Planck space telescope has provided new insight into the history of our Universe. Although science ...
Astronomy
Oct 21, 2013
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0
(Phys.org) —Since 2000, the four identical satellites of the Cluster quartet have been probing Earth's magnetosphere in three dimensions. This week, two of them made their closest-ever approach, just 4 km, enabling valuable ...
Space Exploration
Sep 20, 2013
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