Historical Models
What is in the center of the geocentric model?
the earth
What is included in the universe?
Space, matter, and energy
Put the 5 parts of our universe in order from smallest to largest!
Solar system, star cluster, galaxy, local group, super cluster
What did Galileo add to the heliocentric model?
He added evidence after seeing 4 moons orbiting Jupiter
The Big Bang occurred this many years ago...
What is 13.8 Billion or 14 Billion Years Ago
What is in the center of the heliocentric model?
the sun
Put the following in order from smallest to largest!
Galaxy, solar system, universe
Solar system, galaxies, universe
Name our cosmic address from system to galaxy!
Solar System, Spiral arm (Orion's arm), Milky Way
What theory did Copernicus state?
Heliocentric!
Edwin Hubble observed the galaxies distance decreasing. True or False
False
In the heliocentric model, what does the sun orbit?
Nothing! The Earth and moon orbit it!
Which theory includes a mixture of young and old galaxies because of a continuous creation of matter?
Steady State Theory
What is the galaxy in which we live?
Milky Way
What theory did Ptolemy state?
Geocentric
Which historical model is most like what we accept today?
Heliocentric
Which historic model was followed or believed in for 1,400 years?
Geocentric!
Describe the big Bang Theory!
All matter and energy in the universe was compressed into an extremely small volume and then exploded into galaxies that would age over time!
Where on the Milky Way do we live?
Spiral arm or Orion's Arm
Who was put on house arrest for his views (and name the model)?
Galileo and Heliocentric
In the geocentric model, what orbits the Earth?
sun and moon
Which model was created based on what was viewed through the telescope?
Heliocentric model
Explain the major differences between the ages of the galaxies in Steady State Theory and Big Bang Theory!
Steady State = mixture of young and old
Big Bang = Same age; galaxies would age over time
What does a light year measure?
distance
Describe the differences between Ptolemy and Copernicus's views
Answers vary; main idea should be the geo = earth centered and helio = sun centered
The universe is still expanding. True or False
False