In 1929 this man confirmed the idea that the universe was expanding by applying the concept of Doppler Shift to the stars he observed.
Who is Edwin Hubble.
100
All stars begin their lives as this.
What is a nebula.
100
Two stars in the same gravitational field.
What is a binary star system.
100
The leading theory of how the universe formed.
What is the Big Bang Theory.
200
This is used to determine the chemical composition of stars, their movement, and other characteristics.
What is a spectra.
200
In 1915, this man shocked the world with his revelations on gravity.
Who is Albert Einstein.
200
This property determines how long a star will live.
What is its mass.
200
A huge group of single stars, star systems, dust, and gas bound together by gravity.
What is a galaxy.
200
~13.8 billion years ago
What is the beginning of the universe
300
One of the many ways to classify stars.
What is color, luminosity, temperature, or size.
300
These 2006 Nobel Prize winners used the COBE satellite to confirm the CMB existed, and provided the first images of it.
Who is Smoot and Mather
300
The end result of a very high mass star after it has run out of fuel.
What is a black hole.
300
The three classifications of galaxies.
What is elliptical, spiral, and irregular.
300
One of the major pieces of evidence for the Big Bang Theory.
What is the Cosmic Microwave Background, and the discovery of galaxies expanding away from each other.
400
The final life stage of a low mass star.
What is a black dwarf.
400
The letters of the Harvard Classification system in the correct order.
O B A F G K M
400
This image was taken over a long exposure of 11 days and captured an image of over 10,000 galaxies.
What is the Hubble Deep Field Image.
400
By this time the universe was made up of fundamental particles but no atoms yet.
1 second after the Big Bang.
500
At this time, a runaway process called "Inflation" causes a vast expansion of space filled with this energy. This is one of the earliest times we can rewind physics to.