description HD 189733 b Overview
HD 189733 b is a gas giant exoplanet orbiting a Sun-like star approximately 63 light-years away. It’s notable for possessing a surprisingly detailed atmosphere, allowing scientists to study extreme weather conditions. High-speed winds composed of iron and silicate particles have been observed within its upper layers. This planet is primarily of interest to astronomers researching planetary atmospheres, stellar wind interactions, and the formation of giant planets.
help HD 189733 b FAQ
What is the weather like on the exoplanet HD 189733 b?
HD 189733 b is known for its extreme, terrifying weather, featuring winds that blow sideways at up to 5,400 mph. Deep blue in color, its atmosphere is also famous for raining molten glass due to its scorching temperatures.
How far away is HD 189733 b from Earth?
This gas giant exoplanet is located approximately 64 light-years away from Earth. This relatively close distance in astronomical terms makes it one of the most extensively studied exoplanets to date.
How did scientists discover water on HD 189733 b?
Astronomers detected water vapor in the planet's atmosphere using the Hubble Space Telescope to observe its transit across its host star. They analyzed the starlight as it filtered through the planet's atmospheric gases to identify the molecular signatures.
Could HD 189733 b support human life?
No, HD 189733 b is classified as a 'hot Jupiter' that orbits incredibly close to its star, completing an orbit in just over two Earth days. The extreme heat, high radiation, and violently fast winds make it entirely inhospitable to any known form of life.
explore Explore More
Similar to HD 189733 b
See all arrow_forward
Reviews & Comments
Write a Review
Be the first to review
Share your thoughts with the community and help others make better decisions.
