What are exoplanets?

Exoplanets and Brown Dwarfs

Flashcard
•
Chemistry
•
11th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Exoplanets are planets that orbit stars outside our solar system.
2.
FLASHCARD QUESTION
Front
What is a brown dwarf?
Back
A brown dwarf is a substellar object that is too massive to be a planet but not massive enough to sustain hydrogen fusion like a star.
3.
FLASHCARD QUESTION
Front
What is the primary method used to detect exoplanets?
Back
The primary method is the transit method, which observes the dimming of a star as a planet passes in front of it.
4.
FLASHCARD QUESTION
Front
What is the significance of the habitable zone?
Back
The habitable zone is the region around a star where conditions may be right for liquid water to exist on a planet's surface.
5.
FLASHCARD QUESTION
Front
How does the mass of a brown dwarf compare to that of a planet?
Back
A brown dwarf typically has a mass between 13 and 80 times that of Jupiter, while planets have less mass.
6.
FLASHCARD QUESTION
Front
What happens to a planet if it gains enough mass?
Back
If a planet gains enough mass, it can become a brown dwarf or even a star, depending on the amount of mass added.
7.
FLASHCARD QUESTION
Front
What is the difference between a gas giant and a brown dwarf?
Back
Gas giants are planets primarily composed of hydrogen and helium, while brown dwarfs have enough mass to undergo some fusion processes.
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