Study Quide Test 1.docx - Observations of the universe show...

Info icon This preview shows pages 1–3. Sign up to view the full content.

Observations of the universe show that galaxies are… o distributed randomly throughout space o evenly spaced throughout the known universe. o gathered together into giant agglomerations such as clusters, superclusters, sheets, and walls o only present in the Milky Way. Scientist have a pretty good idea of what existed prior to the Big Bang. o True o False What is the approximate diameter of the observable universe? o 9.3 light years o 9.3 million light years o 9.3 billion light years o 93 billion light years A light year is a measure of… o Velocity o Time o Luminosity o Distance How old is the universe? o 13.7 million years o 13.7 billion years
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

o 137,000 years o 13,700 years Initially, the scientific community did not accept Georges Lemaitre’s proposed hypothesis on the origin of the universe because… o He was Belgian. o He did not publish theories in peer reviewed journals. o There was no evidence to support the idea. o He was a Catholic priest. The Big Bang is merely a theory and there isn’t any scientific evidence that supports it. o True o False Edwin Hubble made two significant observations that provided the first evidence to support the Big Bang Theory. Those discoveries are ...
Image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.
  • Fall '12
  • Ward
  • Big Bang, Redshift, Cosmic microwave background radiation

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern