'15 billion years ago' presentation slideshows

Formation of the Universe Review

Formation of the Universe Review. observed change in the frequency of a wave when the source or observer is moving. Doppler Effect. theory that all matter and energy in the universe exploded 10 to 15 billion years ago and began expanding in all directions. Big Bang Theory. Big Bang Theory.

545 views • 41 slides

What is the Big Bang?

What is the Big Bang?. The Big Bang theory is an effort to explain what happened at the very beginning of our universe about 15 Billion years ago. How many galaxies are there?. Hubble Space Telescope has observed 3,000 visible galaxies. Is our sun in the center of our galaxy?.

429 views • 24 slides

Galaxies

Galaxies. Observing logs due April 27th!!. The Milky Way is a spiral galaxy. Most galaxies that we can see are spiral galaxies. Looking at other spiral galaxies, we can begin to learn more about how the spirals work. Spirals. Variety of Spiral Arms. Flocculent spirals ( fleecy ).

227 views • 22 slides

Where Have Your Atoms Been?

192 views • 10 slides