Why inner planets made up of rocks and iron, whereas the outer planets are made up of frozen gases?
Important Questions on The Solar System
Mohit is going to Cape Town in December. He is wondering how many jackets and pullovers he should pack. Can you help him to plan better?
An astronaut (or cosmonaut as said in Russia) is a person who is trained to travel in spacecraft. Many astronauts have travelled in space, for example, Kalpana Chawla, Rakesh Sharma, Neil Armstrong, Yuri Gagarin, etc. Write down the information about some famous astronauts.
Man has always been curious about space. We have made many instruments, tools and devices to study the space. Every country has its own organisation to launch satellites or to study space, for example, ISRO is the space agency of India, NASA is the space agency of the United States. These organisations use space probes, Hubble Space Telescope, International Space Station, etc. Find out what are those.
