A “potentially hazardous” asteroid the size of a skyscraper is zooming past Earth today – CBS News

2021 KT1 is expected to come within 4.5 million miles of Earth, a relatively close encounter. It will fly past at around 40,000 miles per hour, according to scientists at NASA’s Jet Propulsion Laboratory.

But don’t worry, there is no chance of the asteroid hitting Earth. Still, researchers track all asteroids that come close to the planet and are currently looking into ways to deflect ones that could make contact in the future.

Six other asteroids, which are basically leftover rocks that are over four billion years old, are also passing by Earth this week. However, they are all smaller than 2021 KT1.

Source: A “potentially hazardous” asteroid the size of a skyscraper is zooming past Earth today – CBS News

NASA needs a camera to spot killer asteroids — Quartz

Forget aliens. We’ve got to find the asteroids.

Astronomers tend to be patient people. When it comes to stars, much of what they examine happened millions of years ago, and when it comes to space probes, even pre-launch prep can take a decade or more.

But they are getting impatient about launching an infrared space telescope called NEOCam. It has a very specific mission: Spotting near-Earth objects—astronomical bodies, most commonly asteroids, whose orbits around the sun could pass close to Earth and potentially collide with our planet, some of which could damage or destroy civilization itself.

It’s not speculative; a major meteoric impact is inevitable, and we need to keep a better eye on the solar system.

Source: NASA needs a camera to spot killer asteroids — Quartz

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