nebula – n. a cloud of gas or dust in space that can be seen by reflected or radiated light
galaxies – n. any one of a very large group of stars that make up the universe
mirror – n. a piece of glass or similar material that reflects light
vacuum – n. empty space in which there is no air, gas or other matter
infrared light – n. light radiation that is not visible to the human eye and is at a longer wavelength than visible light, associated with heat
radiation – n. energy that comes from an object in the form of waves or rays
What do you think about the Hubble Space Telescope or the new James Webb Space Telescope? Let us know in the comment section below.