Radius of the protosun-astronomical units

Question-

At one stage during its birth, the protosun had a luminosity of 1000L and a surface temperature of about 1000K. What was its radius at this time? Please give the answer in three different ways:

As a multiple of the sun's present day radius,

In kilometres, and

In astronomical units.

Posted Date: 3/14/2014 8:12:43 PM | Location : United Kingdom(UK)

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