News tagged with infrared light

Image: The Stephan's Quintet of galaxies

The Stephan's Quintet of galaxies was discovered by astronomer Édouard Stephan in 1877. At the time, however, he reported the discovery of 'new nebulae', as the concept of other galaxies beyond our Milky Way was only formalised ...

dateDec 21, 2015 in Astronomy
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Dead comets and near-earth encounters

Near Earth Objects (NEOs) are asteroids or comets whose orbits sometimes bring them close to the Earth, thereby posing a potentially threat. The asteroid that struck Chelyabinsk last year was an NEO about 40 meters in diameter. ...

dateOct 13, 2015 in Space Exploration
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