the sun only emit light. not the moon. it will reflect the light of the sun.
No. Planets do not emit light; they can only reflect light from the Sun.
4800 BTUs will 150 square feet.
true
Indirectly, by analyzing the light given off by the Sun. Typically, a hotter object will emit electromagnetic waves of higher-energy - on average, because such an object will emit a mix of many electromagnetic waves.
Yes.
The earth does not emit light, but it does reflect light from the sun.
A small room is about 5,000 BTUs. Most people don't have a room that would require more than 10,000 BTUs.
90,000 BTUs - the 090 is what tells you the BTUs of the unit.
solar energy.
Sun and stars .
Yes