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Questions tagged [oort-cloud]

The theoretically , large collection of comets orbiting the sun far beyond the orbit of pluto (approximately 50000 AU from sun), proposed to be the source of most long term comets observed.

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How long to surpass Voyager satellite distances using modern technology? [duplicate]

NASA's JPL just recently acknowledged that Voyager II has now joined Voyager I in entering interstellar space after 41 years of space travel. This got me to wondering: when will we ever get to Alpha ...
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Is Voyager 2 capable of proving the existence of Oort cloud?

Yesterday on Dec 10 2018, NASA announced that Voyager 2 probe has exited the heliosphere - the protective bubble of particles and magnetic fields created by the Sun and entered the interstellar-medium;...
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Could there be liquid hydrogen oceans on the surfaces of worlds (including frozen gas giants) in the distant Kuiper belt or Oort cloud?

This is something I'm wondering for a science book I'm writing (not science fiction) where I cover the various forms of life that could exist especially in our solar system - such as life on Mars of ...
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1answer
135 views

Finding non-lit objects at light minute ranges

Let's say my hyperjumpwarpgate McGuffin drive goes bing and I find myself about half a light year away from the sun. This is right in the heart of the outer Oort Cloud. Wikipedia says that there are a ...
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Are Oort clouds of stars rather discrete or connected?

In the article Nomads of the Galaxy (or this video), it is said that there are possibly 100000x more "free planets" (not orbiting a particular star) than stars. If the size distribution of "free ...
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Has water ever been confirmed on comets?

I am watching a documentary called "The Electric Comet," and the narrator claims that water has never been collected or detected from comets. This should be a surprising result as standard theory ...
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600 views

How could we observe the Oort cloud, if it exists?

The oort cloud has long been hypothesized as being around a light year away from the sun, but no observations have yet been made. Is it completely impractical with current science to make such an ...