Q.1
Which unmanned spacecraft landed on Mars for the first time in US history in 1976?

Q.2
Which space probe collected cosmic dust from the comet Wild 2 in 1999?

Q.3
Which satellite was the first to map the stars and was named after a Greek astronomer?

Q.4
Which two spacecrafts were known as the "Tireless Twins" for their long-distance exploration of other planet's systems?

Q.5
Which space telescope launched in 1999 allowed NASA to observe X-rays outside of Earth's atmosphere?

Q.6
Which spacecraft launched in 1995 monitors the "humming" of the Sun's sound waves?

Q.7
What two spacecrafts were the first of the Mars Exploration Rover (MER) Missions to explore the surface and geology of Mars?

Q.8
Along with COBE, which spacecraft helps to map the radiant energy let off by the Big Bang?

Q.9
Which space telescope, launched in 2003, has the ability to see through interstellar dust to observe the distant formation of stars?

Q.10
Which space telescope observes Earth atmosphere and has been in operation for over three decades?

Q.11
Which spacecraft launched in 1997 orbits Saturn, exploring both the planet and its rings?

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