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IDIOM
When you are "over the moon," you are _____________.
a. serious b. lost c. very happy
A. Answer the questions about Landing on a Comet.
1. Vocabulary What does the word "feat" mean? (line 2)
a. an achievement b. a mission c. a historical event
2. Inference Scientists needed another mission to _____________.
a comet because the first mission.
a. didn't return useful data
b. raised more questions
c. wasn't able to collect any data
3. Inference If the lander's battery runs out of power, Rosetta will _____________.
a. have to land on 67P
b. replace the battery
c. stop receiving data from Philae
4. Detail According to the article, which part of the mission was the hardest?
a. the journey to 67P
b. the landing on 67P
c. analyzing the results from Rosetta
5. Detail Scientists believe that the comet's data may help explain the origins of
a. our solar system b. life on Earth c. the Milky Way
B. Complete the timeline. Use information from the passage.
pre 1980s: ____________
1986: ____________
1993: ESA plans mission
2004: ____________
2014 Philae lands on 67P
C. CRITICAL THINKING Talk with a partner. Do you think life may exist on other planets? What other space missions do you know about?
