Dimensione asteroide di 747 impostato per volare oltre la Terra ad Halloween

Dimensione asteroide di 747 impostato per volare oltre la Terra ad Halloween

Un asteroide nearly the size of a Boeing 747 will safely fly past Earth on Halloween at 2:24 a.m. EST, experts note.

The massive space rock, conosciuto come 2020 UX3, is estimated to have a diameter between 88 e 196 piedi, secondo NASA’s Center for Near Earth Studies (CNEOS). For comparison purposes, the wingspan of a 747 è 225 piedi lunghi.

It will come within 3.2 million miles of Earth, traveling at roughly 36,000 miglia all'ora. Its size and its proximity to Earth make it a near-Earth object (NEO).

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Potentially hazardousNEOs are defined as space objects that come within 0.05 astronomical units and measure more than 460 feet in diameter, according to NASA. Secondo a 2018 rapporto put together by Planetary.org, there are more than 18,000 NEOs.

NASA unveiled a 20-page plan nel 2018 that details the steps the U.S. should take to be better prepared for NEOs, such as asteroids and comets that come within 30 million miles of the planet.

UN recent survey showed that Americans prefer a space program that focuses on potential asteroide impacts over sending humans back to the Luna or to Marte.

An asteroid known as 2018VP1 will fly past Earth just before Election Day, NASA previously disse. It is not consideredpotentially hazardousdue to its small size.

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NASA Administrator Jim Bridenstine said in April 2019 that an asteroid strike is not something to be taken lightly and is perhaps Earth’s biggest threat.

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