1560. The light coming from the stars gives the idea of their:
A. size
B. rotation
C. mass
D. temperature *
1561. Super Nova is:
A. an asteroid
B. a black hole
C. a comet
D. a dying star *
1562. Triton is a satellite of:
A. jupiter
B. pluto
C. uranus
D. neptune *
1563. Which is the brightest planet in the solar system?
A. jupiter
B. mercury
C. uranus
D. venus *
1564. The scientists have found some proof of presence of life on which of the following of planets?
A. jupiter
B. mercury
C. venus
D. mars *
1565. The temperature at the surface of the sun and its centre is respectively about:
A. 6000 K and 20 million K *
B. 7000 K and 10 million K
C. 8000 K and 16 million K
D. 9000 K and 14 million K
1566. Which of the following planets have no moon?
A. pluto and mercury
B. mercury and venus *
C. mars and venus
D. pluto and mars
1567. Which is the densest planet of the solar system?
A. sun
B. jupiter
C. mercury
D. earth *
1568. Phases of the moon are caused by:
A. The revolution of earth
B. The revolution of the moon
C. Rotation of earth *
D. Rotation of moon
1569. In which year did man first step out in the moon?
A. 1961
B. 1965
C. 1969 *
D. 1971
1570. How many times is the sun bigger in size than the earth?
A. 69 times
B. 89 times
C. 99 times
D. 109 times *