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EPSC 201 Study Guide - Midterm Guide: Toshiyori


Department
Earth & Planetary Sciences
Course Code
EPSC 201
Professor
Anthony Williams- Jones
Study Guide
Midterm

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UNDERSTANDING PLANET EARTH
EPSC-201
MID
TERM TEST QUESTIONS
MID
-
TERM TEST QUESTIONS
DATE:
DATE:
!!
NAME:
STUDENT!#:
INSTRUCTIONS: Answer ten (10) of the fifteen (15) questions in the
s
p
aces
p
rovided. If
y
ou chose to answer more than 10
q
uestions
,
onl
y
pp y q ,y
the first 10 answers will be marked. Provide sketches where
appropriate. All questions are weighted equally.
No documentation permitted. Basic calculator only.

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Question 1:
Question 1:
How was Hubble able to determine the
age of the Universe?
age of the Universe?

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Question 1:
How was Hubble able to determ
i
ne the age of
How was Hubble able to determ ne the age of
the Universe?
From!the!slope!of!the!velocity!of!the!galaxies!
as!a!function!of!their!distance!from!Earth.!The!
distance!between!galaxies!is!estimated!by!the!
characteristics!of!individual!galaxies!(e.g.,!size!
and!brightness!whereas!the!velocity!is!
estimated from the “Red Shiftof the
estimated
!
from
!
the
!
“Red
!
Shift
!
of
!
the
!
elemental!absorption!bands!of!hydrogen!
burning!in!the!stars!of!galaxies
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