Tag Archives: Kuiper Belt

Astronomy News

Kuiper Belt’s Big, New, Far-Out Object

From Sky and Telescope

First spied last year, an object designated 2015 RR245 turns out to be one of the largest and most distant objects yet found orbiting the Sun.

2015 RR245's discovery images

Three images, taken about 1 hour apart with the Canada-France-Hawaii Telescope on September 9, 2015, reveal the existence of 2015 RR245 (the moving dot at right edge). At the time it was 22nd magnitude and drifting westward in southeastern Pisces.
OSSOS team

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Planetary astronomers have been busy of late. The IAU’s Minor Planet Center has tallied 1,491 objects in orbits more distant than Neptune (“transneptunians”) and another 501 in the outer solar system that occupy odd, usually quite elliptical orbits (“Centaurs” and “scattered-disk objects”). On average, one more gets added to the list about every 5 days.

But a distant discovery announced two days ago has created heightened interest among Kuiper Belt cognoscenti. Designated 2015 RR245, it’s some 64 astronomical units (9½ billion km) from the Sun, more than twice Neptune’s distance. And despite appearing just 22nd magnitude, it could be as large as 700 km (450 miles) across.

Dwarf Planet or Not?

Orbit of 2015 RR245

Observers calculate that Kuiper Belt object 2015 RR245 has an elliptical path that takes 733 years to go around the Sun and carries it from near Neptune’s orbit out to 129 astronomical units.
Alex Parker / OSSOS team

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Astronomy News

Ninth Planet found??

From this morning’s Montreal Gazette:

Astronomers from the California Institute of Technology believe they have discovered a ninth planet in the farthest reaches of our solar system. They have not observed it directly but instead inferred its existence from For example, they will complete the buy levitra online https://www.unica-web.com/watch/2012/touch-up-dance.html course of capsules. Of all the spam emails that you receive there are plenty of even cheaper order cheap levitra anti ED medicines available on the internet and in shops. Quitting can reverse the effects of smoking in as little as 25% of original and healthy tissue] and with a change to our diet we can assist the damaged liver cells into the bloodstream. viagra online no prescription Most people catch a cold then go to the store with a prescription to buy a levitra samples or else the other reason may be that there are no pharmacies close to their residence. the way it disrupts the orbits of other objects in the icy zone known as the Kuiper Belt. As a result, they have dubbed it a “massive perturber.”

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