The Case of the Missing Ceres Craters

Ceres is covered in countless small, young craters, but none are larger than 175 miles (280 kilometers) in diameter. To scientists, this is a huge mystery, given that the dwarf planet must have been hit by numerous large asteroids during

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New methodology provides better size estimates of meteorite impact craters

Credit: University of Western Ontario Using newly developed methodology, planetary scientists from Western University have re-estimated the diameter of eight well-known impact craters on Earth. The journal Science Advances published an explanation of the new technique and the improved estimations today. Gordon

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NASA prepares to launch first US asteroid sample return mission

NASA is preparing to launch its first mission to return a sample of an asteroid to Earth. The mission will help scientists investigate how planets formed and how life began, as well as improve our understanding of asteroids that could

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NASA to map Asteroid Bennu from the ground up

How do you study the topography of an asteroid millions of miles away? Map it with a robotic cartographer! NASA’s Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer, or OSIRIS-REx, will launch in September 2016 and travel to a near-Earth asteroid

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Jupiter gravity push sets up ‘meteor storm’ on Earth

Observers are looking forward to an annual event that’s expected to turn into a “meteor storm” on Friday morning. The Perseid shower occurs every August but this year scientists say a gravitational push by Jupiter will make it more intense.

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NASA Spacecraft to Map Surface of ‘Doomsday’ Earth-Crushing Asteroid

An asteroid named Bennu could one day strike our planet. A new space mission could help us learn how to stop it. Discovered in 1999, 101955 Bennu is roughly 1,640 feet in diameter and orbits the Sun at a speed

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How comets are born

Detailed analysis of data collected by Rosetta show that comets are the ancient leftovers of early Solar System formation, and not younger fragments resulting from subsequent collisions between other, larger bodies. Understanding how and when objects like Comet 67P/Churyumov-Gerasimenko took

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Farewell Philae: Earth severs link with silent comet probe

Earth bid a final farewell to robot lab Philae on Wednesday, severing communications after a year-long silence from the pioneering probe hurtling through space on a comet. Writing an extraordinary chapter in space history, the washing machine-sized craft was the

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The Case of the Missing Ceres Craters

Ceres is covered in countless small, young craters, but none are larger than 175 miles (280 kilometers) in diameter. To scientists, this is a huge mystery, given that the dwarf planet must have been hit by numerous large asteroids during

Posted in News

Vast asteroid created ‘Man in Moon’s eye’ crater

One of the Moon’s biggest craters was created by an asteroid more than 250km (150 miles) across, a study suggests. It smashed into the lunar surface about 3.8 billion years ago, forming Mare Imbrium – the feature also known as

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about near Earth objects in the UK.

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