well, an easy trivia thread to help us to relax !!
trivia about the universe !!
brain only please !!
Private email for the answers !! DO NOT POST YOUR ANSWERS !!!
1- what is the actual temperature of the universe ? ANSWER : 2.7 degree kelvin.
2- can you finish this list : up, down , charme ,...... , ........ , ....... ? ANSWER: strange, buttom , top ( 6 kind of quarks )
3- if the sun explode now, how much time we have to live ?ANSWER : 8 minute ( the shockwave will travel at the speed on light and it will take 8 minutes at 300000 km/s.)
4- what is the uninvited ( the one who is not suppose to be there ) in this list : electron, neutrino, quark, photon, neutron, ? ANSWER : neutron ( not an elementary particule, it is contitute of 3 quarks )
5- what is the diameter of our galaxy ? ( in light years ) ANSWER : 100000 light years
6- if a neutrino hit you what will happen ?ANSWER : nothing ( it will pass through you )
7- how many force are rulling our universe ? ANSWER : 4 force ( strong force, weak force, gravity, electromagnetism )
8- at 3000 degree kelvin what was happening in the universe ? ANSWER : the universe was cold enough for the protons to capture the electrons to form the atomes, at this moment the universe was changing from an opaque universe to a transparent universe )
9- what is the speed of the sun around the center of the galaxy ? ANSWER : between 215 km/s to 240 km/s was accepted.
10- how many planet earth can be contain by the sun ? ANSWER: 1300000 earths !!! the sun is big !!
thanks to everybody who participate !!
the winners are : Rush 4/10 and Aaronno9 4/10 !!
they are winning a prop each !!!