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From the archives: A comet's tale

From the archives in 2012, Mark Duwe takes a look at the latest comet in the sky, and the appearances of comets throughout history ....

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Asteroid 99942 Apophis to fly past Earth - returning in 2029


A HUGE asteroid is flying past Earth tomorrow and will closer approach in eight years.
Asteroid 99942 Apophis will fly past Earth this Friday (March 5) giving astronomers an opportunity to study the body ahead of the asteroid s closer approach in 2029.
During its 2021 pass Apophis - which is pronounced uh-pow-fuhs and measures 400 metres across - will comfortably skirt our planet at a safe distance of 10,471,577 miles.
However, in April 2029 Apophis will literally shave Earth at a distance of just 23,441 miles - it will be visible to the naked-eye as it passes among the zone where high altitude satellites are present.
As with a number of other asteroids, Apophis has been classified as a potentially hazardous asteroid (PHA) by the International Astronomical Union’s Minor Planet Center. ....

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Say hello to planetoid "Farfarout," the most distant object ever observed in our solar system


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If you heard that there was a minor planet called Farfarout, you d probably imagine a world with a hippie aesthetic lava lamps, peace symbols, classic rock, sandy beaches, gnarly waves and perhaps a nice blunt for you to smoke.
Well, to the best of our knowledge, no minor planet contains all of that but scientists have confirmed the existence of a world that they have indeed nicknamed Farfarout (it has not yet been given an official name) because it is the most distant object ever definitively known to exist in our own solar system.
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The minor planet (or planetoid) is officially known as 2018 AG37, and was first discovered by astronomers in 2018, although it was not until this month that they had enough data to be able to identify its orbit. Currently Farfarout is 132 astronomical units (AU) from the Sun, meaning that it is 132 times farther away from the central star than our own planet. It has a highly elliptical orbit because of N ....

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