The Orion Nebula is a massive stellar nursery where new stars are being born, visible to the naked eye from Earth.
Why it is true
Located about 1,300 light-years away, this massive cloud of gas and dust is one of the most photographed and studied objects in the night sky.
Source: Astronomy
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.