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Universe and Solar System
Which one of the following planets is known for its main seven rings made up of ice particles?
Jupiter
Pluto
Saturn
Venu
Saturn
What is the rank of the earth in the solar system in terms of size?
Third
Fourth
Fifth
Six
Fifth
Earth is the third planet from the Sun and the fifth largest planet in the solar system in terms of size and mass.
When an earth satellite dissipates energy, it move to a
lower orbit and its kinetic energy increases
higher orbit and its kinetic energy decreases
lower orbit and its kinetic energy decreases
higher orbit and its kinetic energy increases
lower orbit and its kinetic energy increases
A star which appears 'blue' is
cooler than the moon
hotter than the sun
as hot as the sun
cooler than the sun
hotter than the sun
Consider the following astral bodies:
1. Saturn
2. Venus
3. Mars
The correct sequence in decreasing order of their brightnesses in
2,3,1
1, 2, 3
3, 2, 1
2, 1, 3
2,3,1
Operation Pathfinder is a mission to —
Sun
Moon
Mars
Venus
Mars
Mars Pathfinder was launched December 4, 1996 and landed on Mars' Ares Vallis on July 4, 1997.
The origin of a comet is usually from
pearl cloud
cirrus cloud
nebula
oort cloud
oort cloud
Black holes are stellar objects which —
emit black body radiation
have weak gravitational field
have intense gravitational field
have intense magnetic field
have intense gravitational field
Which one of the following satellites/pair of satellites was launched from the Indian soil?
INSAT-1B
Rohini RS-D2
Aryabhatta-I
Bhaskara-I and II
Rohini RS-D2
Bodies in the sky which are much smaller than the planets but are having orbits between the Mars and Jupiter are known as —
asteroids
comets
meteors
meteorites
asteroids