PHY111 Big Bang Theory of The Origin of The Universe Essay Questions I need an essay for Astronomy. It can be any topic you want from the pdf I have upload

PHY111 Big Bang Theory of The Origin of The Universe Essay Questions I need an essay for Astronomy. It can be any topic you want from the pdf I have uploaded. This is going to be my test grade for an honors class so please make sure you follow all the instructions, submit it on time, and, do an A class job. Thank you so much.P.S. Once you start writing, please let me know about which topic you picked. PHY 111 ASTRONOMY TEST 3 ESSAY QUESTIONS
Due Wednesday, May 1, 2019 at 9 p.m
Late essays will not be accepted under ANY circumstances!
Your paper must be 5 – 7 pages in length. Answer all lettered parts of the numbered essay that you
choose. Use Times New Roman 12pt font, double spaced, with one inch margins. You MUST cite
two outside REPUTABLE sources on a “Works-cited” page at the end of your essay in MLA format
(see http://owl.english.purdue.edu/owl/resource/747/01/). You must also cite your sources within the
essay itself.
Submit your completed essay as a Word document under the TURNITIN link on the main website.
1.
A. Discuss the classical Big Bang Theory of the origin of the universe. Note its strengths and
weaknesses.
B. Discuss the Big Bang with Inflation. What provoked this version of the Big Bang? How does the
inflation come about? How is this an improvement on the classical Big Bang Theory?
C. Do you think the Big Bang with Inflation is correct? Why or why not?
D. When dark matter is included, the Big Bang with Inflation predicts a density of the universe close to
the critical density. What does the critical density mean? That this prediction is anywhere close to the
critical density suggests what amazing characteristic about the universe?
2. Give a chronology of the history of the universe by “eras”. Make sure to include all the eras by dates
and the observational and/or theoretical evidence for their existence.
3. A. What is dark matter?
B. What seems to compose dark matter? In what percentages?
C. If there is no dark matter, in order to explain our observations, our concepts of an important building
block of the universe have to be incorrect. What is that building block and why do Astronomers
overwhelmingly favor dark matter, which they cannot see, to explain our observations, rather than the
building block being incorrect?
D. What is dark energy?
E. How has the consequences of dark energy changed our concepts of the universe?
4. A. What is the real significance of the Main Sequence, Red Giants, and White Dwarfs on the H-R
diagram?
B. Describe, in detail, the current theory on the birth of stars. Describe the events after birth until the star
makes its first appearance on the Main Sequence.
C. Follow the events in a star’s life from its entry onto the Main Sequence through its Helium flash until it
is fusing Helium quietly in its core.
For parts B and C, it is strongly suggested you sketch a rough H-R diagram to accompany your prose.
5 A. Describe the death of low mass stars in detail. Remember to include Type I Supernova Explosions.
B. Describe in detail the deaths of very massive stars.
6. A. Describe the circumstances that lead to a stellar black hole in detail.
B. Why can’t stellar black holes form out of matter under normal conditions and yet they form under
these conditions?
C. Black holes are, of course, invisible. Despite this, is there any kind of observational evidence of
stellar black holes? Cite some specific expected examples.

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