دوشنبه ۱۲ آذر ۰۳ ۱۳:۴۸ ۱ بازديد
The observatory (funded by both NASA and the European Space Agency) launched in 1990 to explore the universe in optical andT infrared light. Its flawed mirror caused the first space shuttle repair mission in 1993, and four other servicing missions followed through 2009. Hubble remains active and is best known for confirming the acceleration of the universe, among numerous other discoveries
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