Atmosphere
Definition
The atmosphere is the layer of gases surrounding a planet, held in place by the planet's gravity. It plays a crucial role in regulating temperature and protecting the surface from harmful solar radiation.
5 Must Know Facts For Your Next Test
- The atmospheres of the giant planets are primarily composed of hydrogen and helium.
- Jupiter's atmosphere features prominent bands of clouds and massive storms like the Great Red Spot.
- Saturn's atmosphere contains less helium compared to Jupiter, leading to differences in cloud composition and appearance.
- Uranus has a higher concentration of methane in its atmosphere, giving it a blue-green color.
- Neptune's atmosphere also contains methane, but its dynamic weather systems result in more intense storms and high-speed winds.
Review Questions
- What are the primary components of the atmospheres of the giant planets?
- How does methane influence the coloration of Uranus and Neptune?
- What notable atmospheric feature distinguishes Jupiter from other giant planets?
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Related terms
Hydrogen: A light, abundant element that is a primary component of giant planet atmospheres.
Methane: A gas found in significant quantities in Uranus and Neptune's atmospheres, contributing to their blue-green color.
Great Red Spot: A massive storm system on Jupiter known for its size and longevity.
