Space Lesson 5.1
The medium-sized spiral galaxy that is our home galaxy.
Milky Way
The beginning moment when the universe was very hot and dense, resulting in a tremendous “explosion”.
Big bang
True or False
The White House has its own movie theater.
True
True or False
NFL Super Bowl referees also get Super Bowl rings.
True
A mass of billions of stars clustered together in a group.
Galaxy
Radiation that is left over from the beginning moments of the universe and is coming from all directions in space.
Background radiation
The last letter to be added to the alphabet.
J
The diameter of a basketball hoop is ______ inches.
18 inches
A band of colors made when white light is broken up.
Spectrum
The absorption lines that result in longer (redder) wavelengths from galaxies moving away from each other as space expands.
Expansion Redshift
A nickel (the five-cent coin) is actually only made of 25% nickel. The other 75% is _________.
Copper
What is the oldest winter Olympic sport?
Figure skating