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Jeans escape describes atmospheric loss when molecular thermal velocity exceeds planet escape velocity, particularly important for light elements.
ଷ୍ଟେପ୍-ଷ୍ଟେପ୍ ଗାଇଡ୍ |
- 1Input planet mass/radius, atmospheric temperature and composition
- 2Calculate escape velocity and thermal velocity
- 3Estimate atmospheric escape timescale
ସମାଧାନ ହୋଇଥିବା ଉଦାହରଣ
ଇନପୁଟ୍
Earth H/He at 6000K exosphere
ଫଳ
H escapes easily, He slowly, O/N retain
Why Earth lost primordial atmosphere
ଏଡ଼ାଇବା ଯୋଗ୍ୟ ସାଧାରଣ ଭୁଲ
- ✕Neglecting temperature gradient with altitude
- ✕Assuming steady escape rate
ବାରମ୍ବାର ଜିଜ୍ଞାସା
Does Mars still lose atmosphere?
Yes, slowly; weak gravity and solar wind accelerate loss.
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