Steinn Sigurðsson Astro 120 - Homework 5

Set 02 Apr 2008.

Due date Wednesday 09 Apr 2008 at 11 am.

  1. What is the Concordance Cosmology?
    Briefly summarise the key measured parameters of the observable universe and discuss.

  2. What is the proposed DoE/NASA SNAP mission?
    Look it up, and in your own words, briefly summarise its expected discoveries.

  3. What is Dark Energy?
    Discuss.

  4. Look up the Alcubierre Warp Drive.
    In your own words, briefly describe the concept and the critical physics needed for it to work.

  5. Read the opinion article Fundamentalist physics: why Dark Energy is bad for Astronomy by Simon D.M. White.
    In your own words, summarise the point of the article.
    Briefly discuss your personal impression of the issues and what your personal opinion on it is.

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