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Image: Australian crater

For Asteroid Day, the Copernicus Sentinel-2A satellite takes us over the Gosses Bluff crater in the Northern Territory of Australia. The crater is visible in the left centre of the image and it is about 22 km in diameter. ...

dateJun 29, 2018 in Space Exploration
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Video: What is a near-Earth asteroid?

We often hear from astronomers and other scientists about 'near-earth asteroids' - lumps of rock and metal that orbit through our Solar System, and pass close enough to our planet to pose an impact risk.

dateJun 29, 2018 in Space Exploration
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Image: Dance of the asteroids

As if this Hubble Space Telescope picture isn't cluttered enough with myriad galaxies, nearby asteroids photobomb the image, their trails sometimes mimicking background astronomical phenomena.

dateJun 25, 2018 in Space Exploration
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