Who was the first person to describe the earth as a sphere?
Columbus
Varahmihir
Aryabhat
Copernicus
Correct Answer :
D. Copernicus
Related Questions
The time period elapsing between one New Moon and the next is approximately
8.19 Days
30 days
29.5 Days
61 Days
Average density of the Earth is ( relative to water) __.
5.5
4.5
9.5
6.5
A Light Year measures
A unit of velocity
A unit of distance
A unit of pressure
A unit of time
How many degrees north and south are the Tropics?
47 degrees
23.5 degrees
12 degrees
30 degrees
Polar circumference of the Earth is
40000 km
4000 km
50000 km
5000 km
Average temperature of the Earth is.
14°C
24°C
34°C
20°C
Which planet rotates on its axis from north to south?
Uranus
Venus
Mars
Pluto
Which of the following statements are true?
1. Inner Planets are alternatively called Terrestrial Planets.
2. Outer Planets are Jupiter, Saturn, Uranus and Neptune. All four Outer Planets are considered as Great Planets.
3. Pluto is also considered as
1, 2 and 4
1 and 4
1, 3 and 4
1, 2, 3 and 4
What does perigee mean?
The position of the moon farthest from the earth
The position of the earth nearest to the Sun
The position of the moon nearest to the earth
The position of the earth farthest from the Sun
The planet of lowest density (0.69) is __ .
Jupiter
Saturn
Neptune
Pluto
Which planet has the largest equatorial radius?
Jupiter
Saturn
Mars
Earth
Sidereal means
Pertaining or referring to the stars
Pertaining or referring to the moon
Pertaining or referring to the Sun
Pertaining' or referring to the cosmic bodies
Largest planet of our Solar System is _____.
Jupiter
Mars
Saturn
Uranus
How much Is the average distance of the Sun from the Earth?
150 million km
145 million km
155 million km
140 million km
What is the name given to the widened rivermouth found at the point a river enters the sea?
Estuary
Bay
Gulf
Delta
Which of the following are the Inner Planets?
1. Mercury
2. Venus
3. Earth
4. Mars
Only 1
1 and 2
1, 2 and 3
1, 2, 3 and 4
What is the position of the moon called when it la farthest from the earth?
Perigee
Perihelion
Aphelion
Apogee
What is the temperature of the sun estimated at approximately?
5000°C
6000°C
7000°C
212°C
A celestial body which revolves round the Sun and receives heat and light from it is called _____.
Planet
Orion
Satellite
Star
The solar eclipse takes place when
The Earth comes between the Sun and the Moon
The Moon passes between the Sun and the Earth
The Sun comes between the Earth and the Moon
The Planets of the Solar System lies on the same plane
Rapidly rotating stars emitting intense radio waves are called ___.
Pulsars
Quasuars
Neutron stars
All of the above
What is the average radius of the Earth?
6071km
6571km
6371km
6771 km
An ancient star that has collapsed matter so dense that It creates gravitational force so powerful that even light also does not escape. It Is called
QSO
Black Hole
Neutron Star
Black Dwarf
Earth revolves round the Sun In an orbit once In every __.
24 hours
20 hours
365 % days
366 days
The Jupiter's atmosphere comprises mainly of
Hydrogen and oxygen
Carbondioxide and oxygen
Hydrogen and hydrogen compounds
Nitrogen and helium
Which of the following planets is called 'blue planet'?
Venus
Earth
Mars
Uranus
An imaginary belt of 12 constellations or group of stars la called
Zodiac
Steller group
Pulsar
Zodiacal light
Which planet does experience a day almost of the same duration as the Earth?
Venus
Mercury
Mars
Jupiter
When a year divisible by 4 and not divisible by 400 is called
Siderial Year
Solar Year
Cosmic Year
Leap Year
The difference between day and night increases as one moves
From equator to poles
From poles to equator
From tropics to equator
From plains to mountains