Understanding THE ORIGIN OF THE UNUIVERSE.ptx

understanding the origin of the universe, its theory and the mystery beyond the bigbang theory. discussed the steps of the bigbang theory.

1. The Expanding Universe

2. Cosmology - Big Bang theory/Big Bang model - Nucleosynthesis - Singularity - Inflation - Annihilation - Recombination - Redshift - Relative abundance - Cosmic microwave background – KEY WORDS

3.  is a branch of astronomy that involves the origin and evolution of the universe, from the Big Bang to today and on into the future.

4. through which specific groups of elements were formed Big bang nucleosynthesis formed the light elements (H, He, and Li). Stellar formation and evolution formed the elements heavier than Be to Fe. Stellar explosion , or supernova , formed the elements heavier than Fe.

5.  explains how the elements were initially formed the formation of different elements involved many nuclear reactions, including fusion, fission and radioactive decay

6.  part of its proof is the amounts of H and He we have in the universe today.

7.  a point in space and/or a moment in time where the universe was infinitely hot and dense

8.  is a theory of exponential expansion of space in the early universe. The inflationary epoch lasted from 10 −36 seconds.

9.  is the process that creates new atomic nuclei from pre-existing nucleons, primarily protons and neutrons.

10.  refers to the epoch at which charged electrons and protons first became bound to form electrically neutral hydrogen atoms.

11.  the displacement of spectral lines toward longer wavelengths (the red end of the spectrum) in radiation from distant galaxies and celestial objects.

12.  is electromagnetic radiation left over from an early stage of the universe in Big Bang cosmology.

13.  is electromagnetic radiation left over from an early stage of the universe in Big Bang cosmology.

14. ACTIVITY BEFORE and AFTER INFLATION

15. Instructions: Stick small stickers randomly on the surface of the uninflated balloon. Quickly inflate the balloon with a pump or your breath. Observe the stickers. ACTIVITY

16. Answer the following questions: Why do the stickers appear to be moving away from each other? Are the stickers moving across the balloon? Do the stickers themselves grow in size? ACTIVITY