Thursday, July 20, 2017

EarthSky News - July 20 - Close Asteroid, Moon Anniversary

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How close will asteroid 2012 TC4 come?

Asteroid 2012 TC4 might give Earth a close shave in October. Or it might not. Astronomers are keen to observe it now, to learn more.

Today in science: 1st footsteps on moon

Today is the 48th anniversary of humanity's historic first steps on the moon. The story in pictures, here.

Video: Moon hoax not

SG Collins explains why the Apollo moon landings on the moon in the late 1960s and early '70s couldn't have been faked.

Sun enters Cancer today

You might know that the sun enters the sign of Cancer every year at the June solstice. It enters the constellation Cancer a month later, on or near July 20.

Maryam Mirzakhani, mathematician, dies at 40

She was an outstanding mathematician and first woman to receive the prestigious Fields Medal. 
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Sun enters Cancer today

If you could see the stars behind the sun today, you'd find the sun crossing a constellation border into Cancer.

See it! Moon sweeps past Venus

Greg Redfern caught the moon and Venus - bright and close - this morning from Skyline Drive, Shenandoah National Park, in the U.S. state of Virginia. See more photos.
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