Sunday, July 10, 2022

Dramatic sampling shows asteroid Bennu is nothing like scientists expected | Space

NASA's OSIRIS-REx mission unleashed an unexpected explosion when it touched down on asteroid Bennu in October 2020 to collect a precious sample to carry home to Earth.

Mission scientists have described the dramatic sample retrieval, which led to surprising discoveries about the asteroid's nature, in two new studies.

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Publisher: Space.com
Date: 2022-07-08T14:48:45Z
Author: Tereza Pultarova
Twitter: @SPACEdotcom
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Astronomers Just Detected an Asteroid That's Passing Extremely Close to Earth Today

A small asteroid the size of a bus will make an extremely close approach to Earth on Thursday (July 7), passing within just 56,000 miles (90,000 kilometers) – or about 23 percent of the average distance between Earth and the Moon . And just a few days ago, no one knew it was coming

Publisher: ScienceAlert
Author: _____
Twitter: @ScienceAlert
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Watch Now: Asteroid Bennu's unexpected surface explained | Local news | tucson.com

New journal papers reveal how close a University of Arizona-led space mission came to sinking into the unexpectedly soft surface of the asteroid Bennu in 2020.

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Publisher: Arizona Daily Star
Date: 9EA4368CBA0EAA6CC037C4E58565558F
Author: NASA s Goddard Space Flight Center CI Lab SVS
Twitter: @tucsonstar
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Gravitational perturbations correlated with the asteroid kinetic impact deflection technique | ...

This paper presents the use of the kinetic impact technique to deflect asteroids that may present some risk of collision with Earth.

First, we found the closest approach between the asteroid and Earth in a 100-year period from August 5, 2021, the date we began the study. All planets in the solar system, the Moon and the asteroid Bennu were included in our simulations.

Publisher: Nature
Date: 2022-07-09
Author: 2022 The Author s
Twitter: @SciReports
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Protecting planet Earth from asteroids - U.S. Embassy in Georgia

The panel, which was welcomed with opening remarks by State Department Principal Deputy Assistant Secretary for the Bureau of Oceans and International Environmental and Scientific Affairs Jennifer Littlejohn, was convened in advance of the United Nations' International Asteroid Day, June 30.

Panelist Thomas Jones, chairman of the Association of Space Explorers Committee on Near-Earth Objects and a former astronaut, said the 1908 Tunguska disaster shows why space agencies, governments and scientists around the world should work to prevent asteroids from hitting Earth in the future.

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Publisher: U.S. Embassy in Georgia
Date: 2022-07-06T09:34:19 00:00
Author: U S Embassy Tbilisi
Twitter: @EmbassyTbilisi
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Asteroids may hold key to origins of water in the solar system

A pair of missions to two asteroids near Earth are beginning to provide new information about when, where and in what form water first existed in the solar system.

The big picture: Small, rocky bodies like Bennu are thought to be fragments of the solar system's earliest asteroids.

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Publisher: Axios
Date: 2022-07-07T20:18:15.008000Z
Author: Alison Snyder
Twitter: @axios
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Do We Need An 'Internet Of Spacecraft?

It's likely that the number of spacecraft in the solar system will increase exponentially—and many ... [+] of them will likely be privately owned and operated. Can they protect us?

What happens when a massive asteroid is headed for Earth and nobody notices? It's the nightmare scenario—but could a "space internet" help?

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Publisher: Forbes
Date: 2022-07-07
Author: Jamie Carter
Twitter: @forbes
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China begins construction on world's most far-reaching radar system, to boost defense against ...

Global Times reporter tracking China's space programs and cutting-edge science and technology projects.

China Fuyan [facetted eye], a new high-definition deep-space active observation facility in the country's Southwest Chongqing municipality.Photo: courtesy of BIT Chongqing innovation center

Author: Global Times
Twitter: @globaltimesnews
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Bluegrass Skies: Asteroid Day celebrated on June 30 | Spectrum | state-journal.com

Yepun, one of the VLT's four Unit telescopes, creates laser guide stars to help focus the telescope. The heart of the Milky Way provides a beautiful backdrop. (Image by ESO/A. Ghizzi Panizza)

Thanks to the work of observers and scientists from the European Southern Observatory (ESO) and the European Space Agency (ESA), we have a great reason to celebrate Asteroid Day this year.

Publisher: The State Journal
Author: Dan Price Guest columnist
Twitter: @statejournal
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