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ÇIKMIS KPDS SORULARI PARAGRAF DOLDURMA (TEST 2) 15. Soru

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15.

The planets are the celestial bodies that revolve round the sun in elliptical orbits, ----
.There are also a large number of minor planets, commonly called asteroids. Today many
important questions concerning the planets can be answered by means of probes sent to
them. These include the measurement of the magnetic field, if any, of the planets, the
study of their atmospheres and, in some cases, surface conditions.

Among them Pluto was the last planet to be discovered in 1930 by the American astronomer
Tombaugh.

At present only nine major planets are known, and they are different in many respects from
the fixed stars.

Scientists have recently managed to land on the surface of Mars an extremely efficient
instrument for exploration.

Yet, the moon revolves round the earth and has already been explored.

However, Pluto is the most distant of the planets and has an orbit more elliptical than the
other planetary orbits.