Nebulae are clouds of gas and dust in space. There are emission nebulae, reflection nebulae, and dark nebulae. They can be observed using telescopes equipped with filters that enhance the contrast of certain wavelengths of light.
Nebulae are clouds of gas and dust in space. There are emission nebulae, reflection nebulae, and dark nebulae. They can be observed using telescopes equipped with filters that enhance the contrast of certain wavelengths of light.