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Questions and Answers
What is the primary reason for the intense heat on planet hd189733b?
What is the primary reason for the intense heat on planet hd189733b?
What gives planet hd189733b its blue color?
What gives planet hd189733b its blue color?
How does the size of planet hd189733b compare to Jupiter?
How does the size of planet hd189733b compare to Jupiter?
Why is planet hd189733b classified as a 'hot Jupiter'?
Why is planet hd189733b classified as a 'hot Jupiter'?
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What is the average daytime temperature on planet hd189733b?
What is the average daytime temperature on planet hd189733b?
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How does the orbit time of planet hd189733b compare to Mercury's?
How does the orbit time of planet hd189733b compare to Mercury's?
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What is the primary reason for the inviting look of planet hd189733b?
What is the primary reason for the inviting look of planet hd189733b?
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What is the average daytime temperature on planet hd189733b?
What is the average daytime temperature on planet hd189733b?
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Why is planet hd189733b classified as a 'hot Jupiter'?
Why is planet hd189733b classified as a 'hot Jupiter'?
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What gives planet hd189733b its blue color?
What gives planet hd189733b its blue color?
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Study Notes
Planet HD 189733b Overview
- Intense heat on HD 189733b is primarily caused by its close proximity to its host star, leading to extreme temperatures.
- The planet appears blue due to the presence of silicate particles in its atmosphere, which scatter light, similar to Rayleigh scattering on Earth.
Size Comparison
- HD 189733b is significantly larger than Jupiter, with a radius about 1.14 times greater and a mass over 1.5 times that of Jupiter.
Classification as a 'Hot Jupiter'
- Classified as a 'hot Jupiter' because it orbits very close to its star, resulting in high surface temperatures and similar characteristics to gas giants like Jupiter.
Temperature and Orbit
- The average daytime temperature on HD 189733b exceeds 1,000 degrees Celsius (1,832 degrees Fahrenheit), making it one of the hottest exoplanets known.
- HD 189733b completes its orbit around its star in just 2.2 Earth days, much shorter than Mercury's orbit, which takes 88 Earth days.
Appearance and Characteristics
- The inviting look of HD 189733b is attributed to its striking blue color, creating a visually appealing appearance despite its harsh conditions.
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Description
Explore the fascinating characteristics of HD 189733b, a giant gas planet located close to its star, with an orbit of just over 2 days. Learn about its extreme conditions and how it differs from Earth.
