The visible surface of the sun is known as
Chromosphere
Sunspots
Sun surface
Photosphere
Correct Answer :
D. Photosphere
Related Questions
Which planet rotates on its axis from east to west?
Venus
Uranus
Earth
Jupiter
How many satellites does the largest planet have?
Sixteen
Ten
Six
Nine
The Jupiter's atmosphere comprises mainly of
Hydrogen and oxygen
Carbondioxide and oxygen
Hydrogen and hydrogen compounds
Nitrogen and helium
Polar Auroras are
Quasars
b) Pulsar
Aurora Borealis
White Dwarfstar
What is a 'synodic month'?
Moon's period of rotation on its axis with respect to the earth.
Moon's period of revolution around the earth.
Moon's period of revolution with respect to a star at infinity
Moon's period of revolution with respect to the Sun
Consider the following statements regarding asteroids:
1. Asteroids are rocky debris of varying sizes orbiting the Sun.
2. Most of the asteroids are small but some have diameter as large as 1000 km.
3. The orbit of asteroids lies between the orbits of
1, 2 and 3 are correct
2 and 3 are correct
1 and 2 are correct
1 and 3 are correct
The group of small pieces of rock revolving round the Sun between the orbits of Mars and Jupiter are called
meteors
comets
meteorites
asteroids
Which of the following planets is called 'blue planet'?
Venus
Earth
Mars
Uranus
On which date is the Earth in 'perihelion'?
January-3
June-21
July-4
December-22
Charon' is the satellite of _____.
Earth
Saturn
Pluto
Neptune
When dees the Summer Solstice occur?
July 23
June 21
May 20
April 31
What is the position of the moon called when it la farthest from the earth?
Perigee
Perihelion
Aphelion
Apogee
What is the primary cause of seasonal change on the surface of the earth?
Earth's revolution and inclination of its axis
Revolution
Earth's rotation and inclination of its axis
Rotation
Which two planets do not have any satellites?
1. Mercury
2. Venus
3. Saturn
4. Pluto
1 and 2
2 WtQ 3
3 and 4
1 and 4
The name of our galaxy is _______
Alfa Centauri
Proxima Centauri
Milky Way
Neptune
Deimos and Phobos are the satellites of
Earth
Mars
Uranus
Neptune
Which two Planets do not have any satellites?
Venus and Mercury
Venus and Uranus
Venus and Neptune
Mercury and Uranus
If the stars are seen to rise perpendicular to the horizon by an observer, he is located on the \
Equator
Tropic of Cancer
South Pole
North Pole
What part of the moon's surface can be visible from the earth?
1.59
1.41
0.5
1/3rd
Earth revolves round the Sun In an orbit once In every __.
24 hours
20 hours
365 % days
366 days
What is the name of the planet which takes 88 days to make one revolution of the Sun?
Venus
Mercury
Pluto
Neptune
From west to east, what are the three main island groups in the Pacific called?
Melanesia, Micronesia and Polynesia
Polynesia, Micronesia and Melanesia
Melanesia, Polynesia and Micronesia
Micronesia, Polynesia and Melanesia
Which planet is called 'red planet'?
Mars
Jupiter
Mercury
Venus
On which date is the Earth in 'aphelion'?
July-4
December-22
September-23
June-21
Speed of the revolution of the earth is___'
100000 km per hour
10000 km per hour
1000 km per hour
100 km per hour
Earth ranks _____ in the Solar System away from the Sun.
5th
4th
6th
3rd
What proportion of the mass of the earth does the mass of the Moon equal?
1/81
1/18
1/27
1/72
How many degrees north and south are the Tropics?
47 degrees
23.5 degrees
12 degrees
30 degrees
A Light Year measures
A unit of velocity
A unit of distance
A unit of pressure
A unit of time
Which of the following conditions la the most relevant for the presence of life on Mars?
Atmospheric composition
Thermal conditions
Occurrence of ice caps and frozen water
Occurrence of ozone