Radiation, as an energy transfer mechanism, is especially important because radiation energy can travel without an intervening medium. everything radiates. radiation provides us with visible light. all of the above

because radiation energy can travel without an intervening medium

Explanation:

The radiation is the emission or the transmission of the energy in the form of the waves and parties through the spaces and is either found in the Xrays, UV rays and the gamma rays and the beta rays. The sun s a major source of the cosmic radiation.

That is false the sun’s core does not fusion