IOAA 2011, theory — Задача 8

*Short theoretical questions

Each question max 10 points*

Условие

8. Assuming that dust grains are black bodies, determine the diameter of a spherical dust grain

which can remain at 1 AU from the Sun in equilibrium between the radiation pressure and gravitational attraction of the Sun. Take the density of the dust grain to be $\varrho = 10^3\ \mathrm{kg\ m^{-3}}$.

Решение

Оригинал в Архива: 2011_Short_Questions.pdf