The layer of earth at the center is
core
crust
mantle
soil
Which one of the following is not true in the case of stars?
They are much larger than planets in size
They are made up of gases
They are almost fixed in their places relative to each other
They twinkle because of irregular emission of light
Which one of the following shapes does the moon never takes?
Why can we not see the moon during the day?
The moon is too far from the earth
The moon is at the back of the sun
The sun is too bright during the day
The moon does not produce light during the day
Which one of the following planets shows the characteristics given below?
Mercury
Earth
Mars
Venus
Which one of the following correctly shows the order of planets from the sun with the increase in distance from sun?
Mercury → Mars → Earth → Venus → Uranus → Saturn → Jupiter → Neptune
Mercury → Venus → Earth → Mars → Jupiter → Saturn → Uranus → Neptune
Jupiter → Venus → Mars → Earth → Mercury → Saturn → Neptune → Uranus
Jupiter → Uranus → Earth → Neptune → Mercury → Saturn → Mars → Venus
Mercury can be seen only in the morning and evening because
it is very close to the sun
it is very small
it is very hot
it does not have any light of its own
Which one of the following statements is NOT true about the moon?
It does not emit its own light
It is the natural satellite of the earth
it is the nearest planet to the sun
It is not stationary
Which one of the following planets does not have satellites?
Saturn
Jupiter
Which one of the following statement is true?
Sun is the biggest and closest star to the earth in the universe
Sun is the closest star to the earth but it is not the biggest star in the universe
Sun is the biggest but not the closest star to the earth in the universe
Sun is neither the biggest nor the closest star to the earth in the universe
