Practice problem

Non-Gravitational Effects

The flux from sunlight at the Earth's distance from the Sun is about 1370 W/m^2. Consider an interplanetary dust particle with a density of 1 g/cm^3. At what size will the radiation pressure from the sunlight equal the gravitational force on the particle?

Give your answer in microns.

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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