Assume that the solar wind causes the Sun to lose mass at a rate of 2 x 10° kg/s. If you assume the wind is emitted a constant rate, estimate the time (in units of Gyr =Gigayears = 10° years) that it will take the entire Sun to evaporate via its solar wind emission. (Of course, the rate won't be constant throughout the lifetime of the Sun---this is just a rough estimate to understand the timescale associated with this process.) [Hint: you need to look up a number and do several unit conversions; this is a *rate* problem. Enter your answer as an integer or decimal, NOT in scientific notation.]

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Assume that the solar wind causes the Sun to lose mass at a rate of 2 x 10’ kg/s. If you assume the
wind is emitted a constant rate, estimate the time (in units of Gyr =Gigayears = 10° years) that it
will take the entire Sun to evaporate via its solar wind emission.
(Of course, the rate won't be constant throughout the lifetime of the Sun---this is just a rough
estimate to understand the timescale associated with this process.)
[Hint: you need to look up a number and do several unit conversions; this is a *rate* problem. Enter
your answer as an integer or decimal, NOT in scientific notation.]
Transcribed Image Text:Assume that the solar wind causes the Sun to lose mass at a rate of 2 x 10’ kg/s. If you assume the wind is emitted a constant rate, estimate the time (in units of Gyr =Gigayears = 10° years) that it will take the entire Sun to evaporate via its solar wind emission. (Of course, the rate won't be constant throughout the lifetime of the Sun---this is just a rough estimate to understand the timescale associated with this process.) [Hint: you need to look up a number and do several unit conversions; this is a *rate* problem. Enter your answer as an integer or decimal, NOT in scientific notation.]
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