In the absence of any transmission medium, heat can be transferred from one place to another place, by _____?

In the absence of any transmission medium, heat can be transferred from one place to another place, by _____?

کسی بھی ٹرانسمیشن میڈیم کی عدم موجودگی میں ، گرمی کو ایک جگہ سے دوسری جگہ منتقل کیا جاسکتا ہے ، _____ کے ذریعہ؟
Explanation

Radiation transfers heat through electromagnetic waves and does not require a medium.

For example, the Sun's heat reaches Earth through radiation.