Latest Space General Knowledge(GK) Questions and answers

1 .

The planets that are called superior planets are

A)

Mercury, Venus, Earth, Mars and Jupiter

B)

Jupiter, Saturn, Uranus, Neptune and Pluto

C)

Mercury, Pluto, Venus, Neptune and Earth

D)

Earth, Uranus, Mars, Saturn and Jupiter

Correct Answer : Jupiter, Saturn, Uranus, Neptune and Pluto

2 .

The periodic rise and fall of the sea level on the earth, gives rise to tides. This is related to

A)

the position of the moon with reference to the earth and the gravitational pull exerted mainly by the moon and partly by the sun

B)

infrared rays from the sun

C)

ultraviolet rays from the sun

D)

None of the above

Correct Answer : the position of the moon with reference to the earth and the gravitational pull exerted mainly by the moon and partly by the sun

3 .

The mean distance of the earth from the sun is approximately

A)

169,502,000 km

B)

190,503,000 km

C)

188,000,000 km

D)

150,000,000 km

Correct Answer : 150,000,000 km

One astronomical unit is the approximate mean distance between the Earth and sun. It's about 93 million miles (150 million km), or 8 light-minutes.

4 .

The mean radius of the earth is approximately

A)

6,400 km

B)

9,600 km

C)

12,800 km

D)

32,000 km

Correct Answer : 6,400 km

5 .

The moon orbits the earth at a mean distance approximately

A)

0.384 million km

B)

149.6 million km

C)

579 million km

D)

227.9 million km

Correct Answer : 0.384 million km

6 .

The planets with no natural satellites (reported so far) are

A)

Mercury and Venus

B)

Earth and Pluto

C)

Mars and Neptune

D)

Jupiter and Saturn

Correct Answer : Mercury and Venus

7 .

The subatomic particles arriving from outer space having high energy are called

A)

protons

B)

electrons

C)

cosmic rays

D)

None of the above

Correct Answer : cosmic rays

Cosmic rays: particles from outer space. Earth is subject to a constant bombardment of subatomic particles that can reach energies far higher than the largest machines. Cosmic rays are a form of high-energy radiation that originate from outside our solar system.

8 .

The Renaissance scientist who explained how planets moved around the sun was?

A)

Johannes Kepler

B)

Rabelais

C)

Francis Bacoor

D)

Gutenberg

Correct Answer : Johannes Kepler