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Oort clouds around other stars should be visible in the cosmic microwave background 5nvklj





Oort clouds around other stars should be visible in the cosmic microwave background 9tpt39

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Oort clouds around other stars should be visible in the cosmic microwave background

Dragon
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Oort clouds around other stars should be visible in the cosmic microwave background Empty Oort clouds around other stars should be visible in the cosmic microwave background

Post by Dragon Sat Aug 18, 2018 8:06 am

For decades, scientists have theorized that beyond the edge of the solar system, at a distance of up to 50,000 AU (0.79 ly) from the sun, there lies a massive cloud of icy planetesimals known as the Oort Cloud. Named in honor of Dutch astronomer Jan Oort, this cloud is believed to be where long-term comets originate from. However, to date, no direct evidence has been provided to confirm the Oort Cloud's existence.

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Oort clouds around other stars should be visible in the cosmic microwave background 334pu7m
Dragon
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Post by Dragon Sat Aug 18, 2018 8:08 am

Oort clouds around other stars should be visible in the cosmic microwave background Oortcloudsar
Credit: NASA

The layout of the solar system, including the Oort Cloud, on a logarithmic scale.

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Oort clouds around other stars should be visible in the cosmic microwave background 334pu7m
Dragon
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Post by Dragon Sat Aug 18, 2018 8:11 am

Oort clouds around other stars should be visible in the cosmic microwave background 1-oortcloudsar
Credit: ESA

All-sky data obtained by the ESA’s Planck mission, showing the different wavelenghts.

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Oort clouds around other stars should be visible in the cosmic microwave background 334pu7m
Dragon
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Oort clouds around other stars should be visible in the cosmic microwave background Empty Re: Oort clouds around other stars should be visible in the cosmic microwave background

Post by Dragon Sat Aug 18, 2018 8:13 am

Oort clouds around other stars should be visible in the cosmic microwave background 2-oortcloudsar
NASA, William Crochot

The relative sizes of the inner Solar System, Kuiper Belt and the Oort Cloud.

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Oort clouds around other stars should be visible in the cosmic microwave background 334pu7m
Dragon
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Oort clouds around other stars should be visible in the cosmic microwave background Empty Re: Oort clouds around other stars should be visible in the cosmic microwave background

Post by Dragon Sat Aug 18, 2018 8:13 am



Some comets orbit the Sun on a regular basis, but others come in from deep space, a region known as the Oort Cloud. What causes them to make this journey, and will we ever be able to explore the Oort Cloud?


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Oort clouds around other stars should be visible in the cosmic microwave background 334pu7m
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Post by Dragon Sat Aug 18, 2018 8:14 am



The Cosmic Microwave Background Radiation is the afterglow of the Big Bang; one of the strongest lines of evidence we have that this event happened. UCLA's Dr. Ned Wright explains.


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Oort clouds around other stars should be visible in the cosmic microwave background 334pu7m

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