A Gas Eventually Will Escape from a Planet's Atmosphere If

question 79

Essay

A gas eventually will escape from a planet's atmosphere if the average velocity of its atoms exceeds 1/6 times the escape velocity of the planet.If the average velocity of water vapor in Venus's atmosphere is 0.5 km/s, what would be the average velocity of a single hydrogen atom? If Venus's escape velocity is 11 km/s, will hydrogen atoms eventually escape?

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Definitions:

Unsecured Debt

A type of debt that is not backed by collateral, making it riskier for lenders and often resulting in higher interest rates for borrowers.

Reinvestment Rate Risk

The risk that the yield from reinvesting cash flows will be lower than the initial investment's yield, typical in fixed-income securities.

Zero Coupon Bonds

Bonds that do not pay periodic interest payments and are instead sold at a discount from their face value and redeemed at maturity for the full face value.

Coupon Payments

Periodic interest payments made to bondholders, usually on an annual or semi-annual basis, as compensation for investing in the bond.