2006-08-28 12:10:42 · 5 answers · asked by Summer 1 in Education & Reference ➔ Homework Help
Discovering pluto, 1903.
Getting rid of pluto, 2006.
Please note that the second one is just NASA's excuse to get "space" in the press since no one gives a damn about the space program, other planets, other galaxies, or any of that crap.
2006-08-28 12:13:31 · answer #1 · answered by Anonymous · 0⤊ 0⤋
The discovery of galaxies by Edwin Hubble and the fact that they rushing away from the point of the big bang leading to the theory of the expanding universe. The discovery that planets are relatively common in our universe which lends credence to the thought that we may not be alone in the universe.
2006-08-28 19:24:25 · answer #2 · answered by Anonymous · 0⤊ 0⤋
Edwin Hubbles discovery of red shift, which led to the Big Bang thoery.
The Hubble Space telescope - the first and hopefully not last orbital telescope - named after aforementioned Edwin Hubble.
2006-08-28 19:19:41 · answer #3 · answered by stork5100 4 · 0⤊ 0⤋
Hubble Telescope
Adaptive optics for ground-based telescopes
2006-08-28 19:14:47 · answer #4 · answered by redunicorn 7 · 0⤊ 0⤋
Just off the top of my head:
Hubbell Space Telescope
Einstein's theories of space-time-gravity
2006-08-28 19:14:21 · answer #5 · answered by ♪ ♫ ☮ NYbron ☮ ♪ ♫ 6 · 0⤊ 0⤋