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Besides the fact that it exists, very little. We know - approximately - what orbit it is in, and how far away it is from the parent star. We can calculate, VERY roughly, what the surface temperature of the planet might be, based on the brightness of the star and the distance to the planet. We can barely guess at the size of the planet, based on how much it occults the star.
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∙ 13y ago
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Could you live on planet hd 181433 b?
NO
What planet was discovered in 1999?
HD 209458 b was discovered on November 5th 1999
What is the hottest planet in the universe?
We obviously don't know what the hottest exoplanet is but the highest estimated recording we have is of the planet HD 149026 b which is 2038 C or 3700 F
What known exosolar planet confirmed within the inhabital has had the highest calculated probability of supporting life?
The most likely candidates are (in no order): Gliese 581 g, HD 40307 g, Gliese 163 c, Gliese 581 d, Tau Ceti e, Gliese 667C c, Kepler 22 b, HD 85512 b and Tau Ceti f
What were discovered in HD 209458 b and HD 189733?
The possibility of water vapour.
What is the duration of Planet B?
The duration of Planet B is 1800.0 seconds.
Why is the planet Earth considered unique in the solar system?
Currently, only planet earth in our solar system is known to harbor life. And life on earth is incredibly diverse..
Mars is known as the red planet - why is this?
Because it's a) a planet and b) orange to red in color. Some things about Mars could be categorized as rocket science, but this is not one of them.
Is there a far away planet that orbits Sirius A?
Neither Sirius A nor Sirius B have any known planets.
When did Planet B end?
Planet B ended on 2011-02-27.
When was Planet B created?
Planet B was created on 2009-03-02.
On planet A a second has passed while on planet B an hour has passed. On which planet does time run faster?
'definitely, planet A' 'But if you think like this: on planet B an hour has passed in the same amount of time a second has passed on planet A. Then time runs faster on planet B.'
