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Exercise "Night Sky", created by baboune16 (a free exercise to learn English):
Results of the 4 404 people who have taken this test:
Average mark: 74.5 / 100 Share
Latest member with a 100/100 (perfect mark): amroo / MOROCCO, on Saturday 07 October - 13:33:
"unexpectable ! i am so happy"
They got a perfect mark
Stats (4404 candidates)
Question 1 passed: 80.6 %
The * is the Earth's natural satellite.
Question 2 passed: 74.3 %
How much we see of the Moon depends on the * it is in.
Question 3 passed: 88.1 %
In a solar *, the Moon is blocking the light of the Sun from the Earth.
Question 4 passed: 49.3 %
A * star is a small meteoroid that has entered the atmosphere.
Question 5 passed: 76.1 %
The * comprises the Sun and the planetary system.
Question 6 passed: 71.7 %
The Solar System is a part of a bigger grouping of stars called a *.
Question 7 passed: 71.6 %
Our galaxy is the * Way.
Question 8 passed: 66.1 %
The * is a stream of charged particles flowing from the Sun.
Question 9 passed: 78.9 %
The * is the path a celestial object takes around a star or a planet.
Question 10 passed: 73.9 %
Sputnik 1 was our first artificial *.
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