GEOGROPHY : THE SOLAR SYSTEM

^{When was the solar system formed?}

• 6400 million years ago

• 4600 million years ago

• 1 year ago

• 5700 million years ago

How was the solar system formed?

• By dust particles

• By combining of planets

• By combing dust particles and gases together.

• by combing dust particles , gases and microorganisms together

Is star a celestial body ?

• yes

• no

Celestial bodies such as planets , natural satellites and asteroids , though they do not emit light they are visible in the night sky. How?

• monotocous

• monotonous light that does not twinkle

• sun

Find the correct statement.

• There are 9 planets in the solar system

• There are eight planets in the solar system

What is temperature of the centre of the Sun ?

• 15,000,000 million C

• 6000 C

• 1.4 million C

• 167 C

Fill in the blanks ''The sun holds _____ percent of the total mass of the solar system or the substances that belong to the whole system

• 98.9

• 99.86

• 86.99

• 99.9

The sun is how many times size of the earth?

• 901

• 109

• 521

• 221

The Sun revolves around its own axis the time taken for one rotation is,

• 25.6 earth days

• 24.5 earth days

• 25.4 earth days

Between what is the asteroid belt is formed?

• Mars and Earth

• Mars and Jupiter

• Mars and Mercury