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Exercise 1: Are these sentences TRUE or FALSE?
- During the previous visit the spaceship flew over the planet a number of times.
- The journey which is 6 billion miles long will end with a 5 year long stay around the planet.
- The sun is more effective on Mercury than the other planers because of its distance.
- Pluto is the furthest planet.
- Mercury’s core is 60% iron; this makes it the least dense planet orbiting the sun.
- The rate of transmission varies from 8.7 bits a second to 104 kilobits a second depending on the size of the ground station and the distance.
- Star Trekker is a camera which takes a picture of space ten times a minute.
- Messenger lifted off from Cape Canaveral Florida, USA on board a 727 rocket.
- The team members will adjust some of the instruments using the moon as if it were Mercury.
- Messenger will need Venus’ zero gravity to redirect its route.
- Reaching the right speed is the most crucial part of the journey.
- Mercury is the hottest planet
- The closest planet to the sun is Mercury
- The hottest temperature on Mercury is more than 450 C
- Venus is between Earth and Jupiter
- Pluto is smaller than Mercury
- Iron ore accounts for more than 50% of Mercury
- There is a little oxygen on Mercury
- Four inner planets are mentioned
- Messenger has 8 antennas
- Maximum rate of transmission is 104 megabits per minute
- The solar panel can generate more than 2kw of power
- Messenger has left earth already
- Messenger will pass closer than 5k to Venus
- If Messenger is too fast it will crash into Mercury
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