Solar System

101.How many constellations are there in space?
 
A. 87
 
B. 88
 
C. 89
 
D. 90
 
Option “B” is correct.
Over time, cultures around the world have had different names and numbers of constellations depending on what people thought they saw. Today, there are 88 officially recognized constellations.
102.On which planet is Mount Nix Olympia Columbus located?
 
A. Uranus
 
B. Venus
 
C. Earth
 
D. Mars
 
Option “D” is correct.
Mount Nix Olympia Columbuson the planet Mars, the highest point on the planet and the largest known volcano in the solar system. Centred at 19° N, 133° W, Mount Nix Olympia Columbus consists of a central edifice 22 km (14 miles) high and 700 km (435 miles) across
103.What is the number of terrestrial planets?
 
A. 3
 
B. 4
 
C. 5
 
D. 6
 
Option “B” is correct.
The planets Mercury, Venus, Earth, and Mars, are called terrestrial because they have a compact, rocky surface like Earth’s terra firma. The terrestrial planets are the four innermost planets in the solar system.
104.Which of the following is not a terrestrial planet?
 
A. Earth
 
B. Venus
 
C. Mars
 
D. jupiter
 
Option “D” is correct.
105.What is the number of outer planets or Jupiter-like planets?
 
A. 6
 
B. 5
 
C. 4
 
D. 3
 
Option “C” is correct.
There are four outer planets in our solar system namely Jupiter, Saturn, Uranus, and Neptune.
106.Which is not included in Jupiter-like planets?
 
A. Neptune
 
B. Saturn
 
C. Uranus
 
D. Mars
 
Option “D” is correct.
107.Except which two of the following planets, all the other planets revolve anti-clockwise around the Sun?
 
A. Mercury and Venus
 
B. Earth and Venus
 
C. Mars and Jupiter
 
D. Venus and Uranus
 
Option “D” is correct.
Only two planets Venus and Uranus revolve around the Sun from east to west i.e. clockwise
108.Who is called the father of the solar system?
 
A. Sun
 
B. Earth
 
C. Jupiter
 
D. Saturn
 
Option “A” is correct.
The Sun is the Solar System’s star and by far its most massive component. Its large mass (332,900 Earth masses), which comprises 99.86% of all the mass in the Solar System, produces temperatures and densities in its core high enough to sustain nuclear fusion of hydrogen into helium. that’s the reason it is called the father of solar system.
109.What is an exploding star in the universe called?
 
A. Comet
 
B. Meteor
 
C. Lubdhak
 
D. Supernova
 
Option “D” is correct.
A supernova is the biggest explosion that humans have ever seen. Each blast is the extremely bright, super-powerful explosion of a star. A supernova is the biggest explosion that humans have ever seen.
110.The scientist who first discovered that the earth revolves around the sun was-
 
A. Newton
 
B. Dalton
 
C. Copernicus
 
D. Einstein
 
Option “C” is correct.
it was Nicolaus Copernicus, who first officially putforth the idea that the Earth revolved around the Sun and not vice versa. His theory was later supported by Galilio Galilei and Isaac Newton.

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