This artist’s representation of a hot Jupiter shows water vapor and methane in the atmosphere.
Amazing But True!
- Hot Jupiters are large planets that orbit very close to their parent star, much closer than our planet Jupiter orbits our Sun.
- Hot Jupiters are giant gas planets, much like our Jupiter.
- Our Jupiter takes 12 Earth years to orbit around the Sun. Some hot Jupiters may take only a few days.
- The temperature of a hot Jupiter is 1000 to 2000 Kelvin.
- Hot Jupiters make up 20% of all known extrasolar planets.
With the links below, learn more about hot Jupiters. Then answer the following questions.
- ScienceAtNASA, ScienceCasts: The Strange Attraction of Hot Jupiters: http://www.youtube.com/watch?v=EmsYCbYu-LA
- Curiosity.com, What is a hot Jupiter?: http://curiosity.discovery.com/question/hot-jupiter
- Curiosity.com, Why isn’t our Jupiter a hot Jupiter?: http://curiosity.discovery.com/question/our-jupiter-hot-jupiter
- How do astronomers identify large exoplanets that they can’t see directly?
- What are some of the conditions found on hot Jupiters?
- Why were hot Jupiters the first extrasolar planets to be found?
- Where in their solar system do hot Jupiters form and how do we know that? How do they end up where they do?
- Why isn’t our planet Jupiter a hot Jupiter?
- What would our solar system be like if our Jupiter had moved closer in to the Sun and why?