A corona is an aura of plasma that surrounds the Sun and other stars mainly consists of
1.Molten Lava
2.Gases
3.Ice
4.Cosmic rays
A supernova is an event that occurs upon the death of certain types of
1.Stars
2.Planet
3.Galaxy
4.None of the above
An astronomical unit is approximately 93 million miles, astronomical unit (AU) represents the mean distance between the
1.Mars and Sun
2.Earth and Sun
3.Mercury and Sun
4.Neptune and Sun
As Earth moves (rotates) from West to East, so stars appear to be more in
1.East than West
2.West than east
3.Appear equal on both side
4.None of the above
Fill in the blank: Planet Mars looks reddish in the sky. It is due to the __________ on the martian surface.
1.Iron in dust
2.Ferric oxide
3.Ferrous oxide
4.Ferric sulphides
Fill in the blank: ______is a highly magnetized rotating neutron star that emits a beam of electromagnetic radiation
1.Black hole
2.Cosmic ray
3.Pulsar
4.None
Fill in the blank: _______ is the brightest start during the days, because it is the nearest star to us.
1.Sirius
2.Sun
3.Proxima Centauri
4.Alfa Centauri
Fill in the blanks: Our Solar System has _____ planets which orbit the sun.
1.5
2.6
3.7
4.8
Fill in the blanks: The diameter of Jupiter is ______ km, is about 11 times Earths diameter.
1.130000
2.140000
3.150000
4.160000
Fill in the blanks: The largest planet in our solar system by far is ______, which beats out all the other planets in both mass and volume
1.Mercury
2.Mars
3.Jupiter
4.Saturn
Fill in the blanks: _____has the longest day of any planet in our solar system
1.Mercury
2.Venus
3.Mars
4.Saturn
Hottest planet is
1.Venus
2.Mars
3.Mercury
4.None of the above
How many days in one year on mercury?
1.59
2.69
3.88
4.91
In which of the following planet, water cycle is available ?
1.Mercury
2.Venus
3.Mars
4.Earth
In Which planet does have sun rise in the west and set in the east ?
1.Venus
2.Mars
3.Earth
4.Mercury
Johannes Kepler published his first two laws about planetary motion in
1.1609
2.1610
3.1611
4.1612
Lunar Sea is
1.A sea on earth which experiences high tides due to gravitational attraction of the moon
2.A small sea on the moon
3.A light water body illuminated by the moon-light
4.A dark plain on the moon
NASAs Deep Impact space mission was employed to take detailed pictures of which of the following comet nucleus?
1.Hale-Boop
2.Halleys Comet
3.Tempel 1
4.None of the above
Neptune is the eighth and farthest planet from the Sun, at a distance of about
1.4.5 billion km
2.2.8 billion miles
3.30.07 AU
4.All of the above
One astronomical unit (AU) is equal to how many km?
1.186,166,947
2.149,597,388
3.258,686,762
4.149,597,871
one astronomical unit (AU) is how many miles?
1.92,955,807
2.82,944,706
3.72,933,605
4.62,922,504
Pole star is always seen at one point in the sky whereas other stars are not, this is because
1.Pole star is a star of our galaxy
2.Pole star rotates with the same period as the earth
3.Both of the above
4.None of the above
Red planet is
1.Mars
2.Mercury
3.Jupiter
4.Pluto
The constellations of stars appear at different positions in the sky at different times during night mainly
1.Because celestial bodies are changing their positions all the time
2.Because of optical illusion
3.Because earth revolves round the sun
4.Because earth rotates about its axis
The diameter of Jupiter is almost __ times that of earth
1.9
2.10
3.11
4.12
The distance of the nearest star besides the sun from the earth is
1.4.4 light years
2.4.3 light years
3.4.2 light years
4.4.1 light years
The fact that the outermost region of the sun atmosphere is at millions of degrees while the temperature of the underlying photosphere is only
1.5000 kelvins
2.6000 kelvins
3.7000 kelvins
4.8000 kelvins
The four largest planets of the solar system in ascending order are?
1.Neptune, Uranus, Saturn, Jupiter
2.Saturn, Jupiter, Uranus, Neptune
3.Jupiter, Saturn, Uranus, Neptune
4.None of the above
The lunar maria are large, dark, basaltic plains on
1.Earth
2.Moon of Earth
3.Saturn
4.Moon of Saturn
The mass of Jupiter is almost
1.Hundred of the mass of the Sun
2.Tenth of the mass of the Sun
3.One Thousandth of the mass of the Sun
4.None of the above
The mass of Jupiter is more than ___ times that of Earth?
1.200
2.250
3.300
4.350
The Milky way extends through a distance
1.1 light year
2.5 light years
3.8 light years
4.None
The strongest evidence that comets are members of our solar system comes from
1.Their effect on the lives of man
2.Their composition
3.The shape and length of their tails
4.The shape of their orbits
The sun generates energy from a process called
1.Hydrogen fusion
2.Hydrogen fision
3.Nuclear fusion
4.Nuclear fission
The term meteor is applied to an interplanetary body
1.After it enters the earth atmosphere and explodes in mid air as a ball of fire
2.After it enters the atmosphere of the earth
3.Before it enters the earth atmosphere
4.None of the above
Twelve constellations referred to as zodiac are
1.Imaginary region that encompass the path of the planets
2.Signs of Roman gods
3.A group of stars
4.None of the above
Twin of earth is
1.Mercury
2.Jupiter
3.Venus
4.None of the above
Venus is sometimes called twins of earth because
1.Have about the same mass (they weigh about the same)
2.Venus and Earth are almost the same size
3.Have a very similar composition (are made of the same material)
4.All of the above
Which among the following Scientist proved that the path of each planet around the Sun is elliptical?
1.Galileo
2.Kepler
3.Newton
4.None of the above
Which of planet have Triton moon ?
1.Uranus
2.Neptune
3.Saturn
4.Venus
Which of the following is the first Asian country to reach the orbit of Mars
1.Japan
2.China
3.Pakistan
4.India
Which of the following planet shows the phases like Moon of Earth?
1.Mercury
2.Neptune
3.Mars
4.Venus
Which of the following statement are false regarding to the Shooting Stars ?
1.They are the Debris which got separated from a comet
2.They are meteors
3.They are a kind of a star
4.All of the above
Which of the following statements is/are correct? 1. In comparison to the Jupiter, planet Earth displays eclipses more frequently 2. On Mars, only partial solar eclipses are possible Select the correct answer using the code given below
1.1 only
2.2 only
3.Both 1 and 2
4.None of the Above
Which of the following statements relating to the planet Venus is/are correct? 1. It is the nearest planet from the Sun. 2. It is only slightly smaller than the Earth. 3. It has no atmosphere. Select the correct answer using the code given below
1.1 and 3 only
2.1, 2 and 3
3.1 and 2 only
4.2 only
Which of the planet is the hottest one ?
1.Mercury
2.Venus
3.Mars
4.Jupiter
Which planet is not have a moon ?
1.Earth and mars
2.Mars and venus
3.Mercury and venus
4.Neptune and pluto
While Venus is seen only for one to two hours either after sunset or before sunrise, Jupiter is seen for the whole night whenever it is visible in the sky. The reason for this is that
1.Venus is much closer to the earth than Jupiter
2.Venus is much smaller than Jupiter
3.The orbit of Venus is inside the earths orbit whereas the orbit of Jupiter lies outside the orbit of the earth
4.Venus reflects lesser amount of sunlight than Jupiter
Who among the following discovered the laws of planetary orbits?
1.Nicholas Copernicus
2.Kepler
3.Galileo Galilei
4.Newton
______ is so bright because its thick clouds reflect most of the sunlight that reaches it (about 70%) back into space, and because it is the closest planet to Earth
1.Venus
2.Mercury
3.Mars
4.Pluto