what factors can change the Earth's rotation or revoluion

Discoveries: Spring for Neptune

They think it began 39 years ago. It is contained of hydrogen, helium, and methane.They say each season on Neptune lasts about 41 years. The gas on Neptune has methane in it which becomes methane ice. It started in 2005 when summer was about to start.

An Earth-Changing Earthquake

There was a big tsunami around December 26, 2004. The tsunami was caused by a earthquake which shifted he coastlines and elevations. An earthquake can change Earth's rotation. The earthqueke caused the change in Earth's rotation, because it was at a 9.0, and that it made a shorten in a day. After the earthquake islands were moved several feet from where they were before.

Big Bang or Big Bounce

Albert Einstein theory helped people decided that there are other ways to talk about atoms. It took them years to discover about atomic matter. It happened in 1905 when they analyzing Einstein theory. The discovery was made 1955 it took 20 years and then another 30 until 1955 they found the theory. It took a lot of  physicists to find the theory and hey are still looking for more answers. They still have not found the conclusion and they are still working on it but they think there was something before the Big Bang called the Big Bounce and another called Big Bunch.

As Innocent as the North Star

1. List and explain two reasons the North Star isn't reliable?
2. How does the magnitude scale work?

1. The first reason is the North Star is the not brightness and it’s been around since around 2550 BC or sooner and the other reason is that it is getting less light than the other stars because it is so far away. The North Star is the not that good in looking for, because sometimes u can see it and other times u can’t see it.

2. The magnitude scale works by multiplying 2.5 by the number of magnitude like magnitude 5 would be 2.5 x 2.5 x 2.5 x 2.5 x 2.5 which would equal how bright or dim it is or u can use it to find which star is brighter than the others.