Blog Archives

Two Unexpected Close Approaches

An unexpected very close approach

On the evening of 27 April (European time), the NASA-funded Pan-STARRS project in Hawaii reported observations of a new asteroid, temporarily labelled P20ZIf8, collected with their second survey telescope over a timespan of less than an hour during the previous observing night.

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Dinosaur asteroid’s trajectory was ‘perfect storm’

A clear picture is emerging of why the asteroid that struck Earth 66 million years ago was so catastrophic.

The space object, which wiped out 75% of all species including the dinosaurs, hit the worst possible place on the planet and – according to new research –

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UH ATLAS telescope discovers first-of-its-kind asteroid

We often think of asteroids and comets as distinct types of small bodies, but astronomers have discovered an increasing number of “crossovers.” These objects initially appear to be asteroids, and later develop activity, such as tails, that are typical of comets.

Now, the University of Hawaii’s Asteroid Terrestrial-impact Last Alert System (ATLAS) has discovered the first known Jupiter Trojan asteroid to have sprouted a comet-like tail.

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OSIRIS-REx ready for touchdown on Asteroid Bennu for sample collection

NASA’s first asteroid sample return mission is officially prepared for its long-awaited touchdown on asteroid Bennu’s surface. The Origins, Spectral Interpretation, Resource Identification and Security – Regolith Explorer (OSIRIS-REx) mission has targeted Oct. 20 for its first sample collection attempt.

“The OSIRIS-REx mission has been demonstrating the very essence of exploration by persevering through unexpected challenges,”

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New evidence shows giant meteorite impacts formed parts of the moon’s crust

New research published in the journal Nature Astronomy reveals a type of destructive event most often associated with disaster movies and dinosaur extinction may have also contributed to the formation of the Moon’s surface.

A group of international scientists led by the Royal Ontario Museum has discovered that the formation of ancient rocks on the Moon may be directly linked to large-scale meteorite impacts.

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Hayabusa2 reveals more secrets from Ryugu

In February and July of 2019, the Hayabusa2 spacecraft briefly touched down on the surface of near-Earth asteroid Ryugu. The readings it took with various instruments at those times have given researchers insight into the physical and chemical properties of the 1-kilometer-wide asteroid. These findings could help explain the history of Ryugu and other asteroids,

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New Paper Has a Wild Explanation For The Most Explosive ‘Meteor Impact’ on Record

In the early morning of 30 June 1908, something exploded over Siberia. The event shattered the normal stillness of the sparsely populated taiga, so powerful that it flattened an area of forest 2,150 square kilometres (830 square miles) in size – felling anĀ estimated 80 million trees.

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Asteroid grazes path of satellites in geostationary ring

A reasonably small 4-8 m asteroid recently flew by Earth, passing close to satellites orbiting in the geostationary ring at a distance of about 42 735 km from Earth’s centre and only about 1200 km from the nearest satellite.

After the initial discovery, observers around the world rapidly set their eyes on the ‘new’

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Antarctic meteorites yield global bombardment rate

By Jonathan AmosĀ  BBC Science Correspondent

A team of UK scientists has provided a new estimate for the amount of space rock falling to Earth each year.

It’s in excess of 16,000kg. This is for meteorite material above 50g in mass.

It doesn’t take account of the dust that’s continuously settling on the planet,

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Archivists uncover earliest evidence of a person being killed by a meteorite

Tales of people being killed by meteorite impacts date back to biblical times. But few deaths, if any, have been documented. Now, Turkish researchers have uncovered the earliest evidence that a meteorite killed one man and paralyzed another when it slammed into a hilltop in what is now Iraq in August 1888.

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