Sciences & Nature

Mile-wide asteroid with its own miniature MOON to soar past Earth on Saturday – Mirror Online

Mile-wide asteroid with its own miniature MOON to soar past Earth on Saturday – Mirror Online

An asteroid with its own mini orbiting moon will fly past the Earth this weekend, and astronomers are very excited. Asteroid 1999 KW4 is known as a “binary object” because it is made up of two asteroids that are gravitationally bound together. The larger asteroid is just under a mile in diameter, and its companion asteroid “moon” is about a third of that size. It will make its closest approach to Earth on Saturday, May 25, giving scientists an opportunity to observe it using telescopes on the ground.

(Image: ESA)
The European Space Agency (ESA) has been tracking the asteroid, and says it is steadily getting brighter as it nears our planet. Earlier this week, ESA shared a grainy animation composed of two 90-second exposures, obtained on 9 May with the 0.6 m telescope at the Ob
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Source link : Mirror

Author : Sophie Curtis

Publish date : 2019-05-24T17:39:00Z

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