The Hubble telescope has always been a well-known space telescope that we can blurt out, but there is also a space telescope that has never been known. On August 25, 2003, NASA launched the Spitzer Space Telescope, which is the largest orbital observatory program to date. The last space telescope. Recently, NASA issued a text celebrating the 15-year-old birthday of the space telescope, and attached a magnificent picture of the depths of the universe taken by the Spitzer Space Telescope.
The 'Spezer' space telescope was named to commemorate the astrophysicist Lehmann Spitzer. He first proposed in the 1960s to put telescopes into space to eliminate the shadowing effect of the Earth's atmosphere, which directly created The birth of the 'Hubble' space telescope.
As the first space telescope to operate in tandem with the Earth, its original design life was only five years, but the Spitzer Space Telescope still works. Although the Hubble Space Telescope is a space telescope, the Hubble telescope is optically observed. Mainly, the Spitzer Space Telescope is based on the infrared spectrum of the observation ladder.
