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Asteroids are coming?


The asteroid, dubbed 2019 WR3, has been directly observed some 74 times by NASA since it was spotted in the skies on November 27, so the space agency could calculate its size, speed and trajectory, and determine the threat level.

NASA now believes the space rock measures between 76 and 170 meters (249 and 557 feet) and is travelling at speeds of 27,036kph (16,799mph).

Big tech firms are investing in data centers as they compete for the $214 billion cloud computing market. WSJ explains what cloud computing is, why big tech is betting big on future contracts.

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In pouring over data from Australia’s Desert Fireball Network (DFN) — a network of cameras set up across Australia to capture images of minimoon fireballs, or minimoons entering Earth’s atmosphere and burning up — a group of researchers have identified what they think is a minimoon meteor, or fireball.

This is the second time that researchers have identified a TCO blazing through the atmosphere before hitting the ground. In finding the fireball, named DN160822_03, the researchers think that it exploded over the Australian desert on Aug. 22, 2016.

Related: Earth Has ‘Minimoons,’ and They May Solve Asteroid Mysteries.