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The Orionid meteor shower peaks this week! Here’s what to expect. – Space.com

It’s an excellent year to view the Orionids, which peak before dawn on Wednesday (Oct. 21).

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Orionid meteors streak through the starry sky over Big Bend National Park in Texas, in this composite of four shots taken by astrophotographer Sergio Garcia Rill in October 2017. (Image credit: Sergio Garcia Rill)
On a night this past summer, soon after sunset, a number of people gathered at a little-league field, not far from my home, eagerly awaiting nightfall and the appearance of the stars. We had also gathered there because there wasn’t much in the way of light pollution and we were afford…

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Scientists clock the fastest interval of time in ‘zeptoseconds’ – NBC News

Scientists have measured the shortest interval of time ever recorded, clocking how long it takes a particle of light to cross a single molecule of hydrogen.

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Blink and youll definitely miss it.
Scientists have measured the shortest interval of time ever recorded, clocking how long it takes a particle of light to cross a single molecule of hydrogen.
The ultra-quick journey took 247 zeptoseconds, according to a team of German researchers, with a zeptosecond representing a trillionth of a billionth of a second. This is equivalent to the number 1 written behind a decimal point and 20 zeroes.
The findings are the culmination of global efforts to measur…

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Hell Yes, InSight’s Heat Probe Is Now Completely Buried on Mars – Gizmodo

There’s some happy news to report from the Red Planet, as the stubborn InSight heat probe, known as “the mole,” is now completely buried. It’s an encouraging de…

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NASAs InSight lander retracting its robotic arm, revealing the spot where the mole is now completely buried.
Gif: NASA/JPL-Caltech/Gizmodo
Theres some happy news to report from the Red Planet, as the stubborn Mars InSight heat probe, known as the mole, is now completely buried. Its an encouraging development, as the surrounding dirt could coax the device into drilling deeper through the Martian crust.
The ongoing saga of the InSight landers Heat Flow and Physical Properties Package has taken…

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Betelgeuse, the unusually dimming star, is smaller and closer than scientists thought – CNN

The red giant star Betelgeuse, which was thought to be on the brink of a supernova explosion when it suddenly dimmed, is actually smaller and closer than scient…

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(CNN)The red giant star Betelgeuse, which was thought to be on the brink of a supernova explosion, is still revealing more secrets, even after the Hubble Space Telescope helped solve the mystery of why it has looked a little dimmer than usual.
The star, which is visible in the Orion constellation, is actually smaller and closer than previously believed, researchers discovered.
The new study published Friday in The Astrophysical Journal.
Although the star has been well studied, Betelgeuse i…

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