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What is a Wolf-Rayet star?

Wolf-Rayet stars represent a final burst of activity before a huge star begins to die. These stars, which are at least 20 times more massive than the Sun, "live fast and die hard", according to NASA.

dateFeb 06, 2015 in Astronomy
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Image: Horsehead nebula viewed in infrared

Sometimes a horse of a different color hardly seems to be a horse at all, as, for example, in this newly released image from NASA's Spitzer Space Telescope. The famous Horsehead nebula makes a ghostly appearance ...

dateDec 22, 2014 in Astronomy
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Image: Jupiter's bands of bronze

This Cassini image shows Jupiter from an unusual perspective. If you were to float just beneath the giant planet and look directly up, you would be greeted with this striking sight: red, bronze and white ...

dateDec 08, 2014 in Space Exploration
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Green light for E-ELT construction

The E-ELT will be a 39-metre aperture optical and infrared telescope sited on Cerro Armazones in the Chilean Atacama Desert, 20 kilometres from ESO's Very Large Telescope on Cerro Paranal. It will be the ...

dateDec 04, 2014 in Astronomy
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