NASA awards $15M for asteroid hunting telescopes on Maui

The University of Hawaii Institute for Astronomy (IfA) received a $15 million NASA grant to continue its world-leading efforts to discover Near-Earth Objects (NEOs) and Potentially Hazardous Asteroids (PHAs).

IfA’s Panoramic Survey Telescope and Rapid Response System (Pan-STARRS) atop Haleakala currently finds nearly as many NEOs and PHAs as the rest of the world’s observatories combined,

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A spacecraft could use gravity to prevent a dangerous asteroid impact

The idea of avoiding asteroid impacts has featured prominently in the public’s mind for decades – especially since the release of Deep Impact and Armageddon.  But is using a nuclear explosion the best way to deal with potentially hazardous space rocks? 

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Is Planetary Defense PI in the Sky?

In February of 2013, skywatchers around the world turned their attention toward asteroid 2012 DA14, a cosmic rock about 150 feet (50 meters) in diameter that was going to fly closer to Earth than the spacecraft that bring us satellite TV.

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Is new discovery an asteroid, a comet or both?

The newest known example of a rare type of object in the Solar System – a comet hidden among the main-belt asteroids – has been found and studied, according to a new paper by Planetary Science Institute Senior Scientist Henry Hsieh.

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Did a cosmic impact destroy an ancient city in the Jordan Valley

In the Middle Bronze Age (about 3600 years ago or roughly 1650 BCE), the city of Tall el-Hammam was ascendant. Located on high ground in the southern Jordan Valley, northeast of the Dead Sea, the settlement in its time had become the largest continuously occupied Bronze Age city in the southern Levant,

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Discovery about meteorites informs atmospheric entry threat assessment

Researchers at the University of Illinois Urbana-Champaign watched fragments of two meteors as they ramped up the heat from room temperature to the temperature it reaches as it enters Earth’s atmosphere and made a significant discovery. The vaporized iron sulfide leaves behind voids,

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Asteroid Ryugu in opposition to Hayabusa 2

New analysis of Hayabusa2 data of the asteroid Ryugu reveals much of the surface reflects and scatters light in ways that are consistent with studies of carbonaceous chondrite meteorites in the lab. This research looks specifically at data taken while Ryugu was in opposition to the spacecraft and Sun,

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OSIRIS-REx helps scientists model the orbit of hazardous asteroid Bennu

The half-a-kilometer-wide asteroid Bennu is already one of the most well-studied asteroids prior to the OSIRIS-REx mission.

By using positional data collected over the course of the two-year sample return mission, however, scientists were able to improve their knowledge of Bennu’s trajectory by a factor of 20,

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Hi-res measurements of asteroid surface temperatures obtained from Earth

A close examination of the millimeter-wavelength emissions from the asteroid Psyche, which NASA intends to visit in 2026, has produced the first temperature map of the object, providing new insight into its surface properties. The findings, described in a paper published in Planetary Science Journal (PSJ) on August 5,

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Scientists Figure out how the Asteroid Belt Attacked the Dinosaurs

How do you track an asteroid that hit the Earth over 60 million years ago?  By using a combination of geology and computer simulations, at least according to a team of scientists from the Southwest Research Institute (SwRI). 

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about near Earth objects in the UK.

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