Saturday, November 5, 2022

NASA Asteroid Threat Practice Drill Shows We're Not Ready - Scientific American

On August 16, 2022 an approximately 70-meter asteroid entered Earth’s atmosphere. At 2:02:10 P.M. EDT, the space rock exploded eight miles over Winston-Salem, N.C., with the energy of 10 megatons of TNT. The airburst virtually leveled the city and surrounding area.

Well, not really. The destruction of Winston-Salem was the story line of the fourth Planetary Defense Tabletop Exercise, run by NASA’s Planetary Defense Coordination Office .

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Publisher: Scientific American
Author: Matt Brady
Twitter: @sciam
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When an Asteroid Gets Close to Earth, we get a Rare Opportunity to Learn What it's Made of - ...

Gravity calculations can provide plenty of insight into a variety of phenomena. Everything from Einstein rings to the rocket equation is at least partially dependent on gravity.

The research stemmed from a class offered at MIT known as “Essentials of Planetary Science,” which, like all good classes of a similar vein, focused at least in part on the formation of objects in the solar system.

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Publisher: Universe Today
Date: 2022-11-02T19:08:25 00:00
Author: Andy Tomaswick
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Research On The Impact Of Asteroid Mining On Global Equity - SpaceRef

In the future situation, aiming to seek more resources, human beings decided to march towards the mysterious and bright starry sky, which opened the era of great interstellar exploration.

According to the Outer Space Treaty, any exploration of celestial bodies should be aimed at promoting global equality and for the benefit of all nations.

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Publisher: SpaceRef
Date: 2022-11-04T12:28:00 00:00
Author: Keith Cowing
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Scientists Identify a Potential Source of a Special Kind of Meteorite

By University of Arizona November 2, 2022 The 2013 Chelyabinsk meteorite caused a series of shock waves that damaged 7,200 buildings, broke windows, and injured 1,500 people.

When the Chelyabinsk fireball exploded over the Russian sky in 2013, it left a rather rare sort of meteorite on Earth. What distinguishes the Chelyabinsk meteorites and others like them is the presence of dark veins caused by a process known as shock darkening.

Publisher: SciTechDaily
Date: 2022-11-02T17:11:30-07:00
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Event- and biostratigraphic evidence for two independent Ries and Steinheim asteroid impacts in ...

For decades, the Nördlinger Ries and Steinheim Basin in southern Germany have been regarded as a textbook example of a terrestrial impact crater doublet, although the oldest crater lake deposits in both craters suggest a biostratigraphic age difference of ~ 0.5 to 1 Myr.

Geographic and geologic situation in the study area in southern Germany, northern Switzerland and Austria.

Publisher: Nature
Date: 2022-11-03
Author: 2022 The Author s
Twitter: @SciReports
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Asteroid that formed ancient crater larger than previously believed

The impactor—most likely an asteroid—formed what is today the biggest crater on the planet.

But according to U.S. National Science Foundation-supported researchers at the University of Rochester, the impactor may have been much bigger—and would have had devastating consequences across the planet.

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Trance Party Event Tickets

A Concert Like No Other


Hop aboard a shuttle to Kepler-1649c. Be there to welcome new lifeforms into the universe. All passengers must have a verified event ticket. There are 10,000 tickets in circulation so no need to panic. Limited seating available per trip. There will be multiple flights each hour shipping off from the NORAD Space Port in Iceland.

Event tickets are non refundable & non transferable (except on the black market. Call Sal with questions.) An event ticket can be reused for up to 9900 yearly transactions.

No sandals allowed on flight. Adults only. Kittens must show a custodian's ID at the gate. You are not allowed to get married while aboard the shuttle. Please arrive early if you are wearing jeans.

NB: EVENT TICKETS CONTAIN A PRIVATE ANONYMOUS DIGITAL IMPRINT.

Reserve your spot. Click here.




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