Security News > 2021 > December > Microsoft extends Secured-core concept to servers

NASA has upgraded its near-Earth asteroid monitoring algorithm to model hazardous space rocks more accurately after nearly two decades, it announced on Tuesday.

Astronomers working at the space agency's Center for Near Earth Object Studies can now automatically calculate thermal influences that nudge an asteroid's orbit, potentially sending it hurtling towards our home planet.

The so-called Yarkovsky effect describes the subtle and gradual change of motion when asteroids are heated by the Sun's light.

When asteroids spin, one side of its surface exposed to the star gets heated.

As it continues to rotate, the hot region enters shade and cools down.

Infrared energy is radiated outwards; the photons carry momentum and impart a tiny thrust on the asteroid.

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