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Winds or waves in specific conditions?

Winds are mainly produced by differences in temperature of the atmosphere and waves are mainly produced by winds. However, could a rogue planet (without orbiting any star and with a cold core so no ...
vengaq's user avatar
  • 2,878
4 votes
2 answers
208 views

Are there planets orbiting something else than a star?

Exoplanet is a planet that orbits a star different from our Sun. Are there any planets (that we know of) which orbit something else? (Like different giant planet or black hole or maybe neutron star.)
John Ronald's user avatar
1 vote
0 answers
44 views

When do planets formed via core accretion in a proto-planetary disk stop gaining mass?

I was just trying to go over some of the contents in my exo planets course and wanted to know that if all the planets that form via core accretion continue to attract all the dust in a proto-planetary ...
Vishal Jain's user avatar
  • 1,545
1 vote
1 answer
43 views

Can a planemo turn into a star?

I read this question Why is planet CFBDSIR2149-0403 hot? and wonder what will happen to this "planemo". Will it attract more mass as it flows around in the gas clouds in space and eventually light ...
d-b's user avatar
  • 439
0 votes
1 answer
256 views

What is the difference between habitable and Goldilocks zone?

If I am right, Habitable Zone means that a planet is on such a distance from its Star which makes it good candidate for supporting some sort of life. But then what is Goldilocks zone and how is it ...
Faisal Mq's user avatar
  • 117
3 votes
1 answer
2k views

How is the stellar flux for exoplanets calculated?

I have noticed that in many Wikipedia articles, the stellar flux received by each planet is stated. I tried to calculate this stellar flux from the given data, but the results didn't seem to be ...
Abanob Ebrahim's user avatar
10 votes
2 answers
2k views

How can a gas giant be about the same size but six times more massive than Jupiter?

I've just read this article: http://www.sci-news.com/astronomy/science-kepler-432b-new-super-jupiter-exoplanet-02490.html And I wondered how this could be possible? Maybe it's because this gas giant ...
Quantum Force's user avatar
1 vote
1 answer
4k views

Is there a simple formula for calculating semimajor axis bounds of "habitable zone"?

I understand that an accurate determination of the bounds of the "habitable zone" for a given stellar system depends on a large number of factors, including many beyond characteristics of the parent ...
orome's user avatar
  • 5,169
7 votes
2 answers
510 views

Earliest terrestrial planet?

If I've understood correctly, the heavier elements needed for terrestrial planets such as iron can only form in supernova. If that is indeed true, how long since the beginning of the universe would ...
Nathaniel Bubis's user avatar
4 votes
1 answer
536 views

What day/night cycles, climate and seasons would experience Alpha Centauri Bb inhabitants?

Alpha Centauri Bb is an exoplanet orbiting Alpha Centauri B. It is asserted that given the close distance to the star the planet should be tidally locked. The orbiting period of the planet is about ...
Anixx's user avatar
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