jee kae

1. the nearest star – Proxima Centauri
2. 1687=Newton’s first law of motion.
3. Atom means indivisible in Greek.
4. The word proton is from Greek which means first.
5. In 1932 James Chadwick discovered neutron and got Nobel Prize for that.
6. Neutron, proton and electron are made up of quarks. It was told by Murray Gell-Mann.
7. Chandrasekhar was awarded Nobel Prize in 1983.
8. According to Alan Guth the radius of the universe increased by 1whit thirty zeros after it times in only a tiny fraction of a second.