VOA慢速英语:Looking to Webb Telescope on Hubble 25th Anniversary

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.