Cosmic Times

Cosmic Times Keyword Match Pre-test

Match the keywords and phrases in the left column with their definitions in the right column.

Keywords

1. ___
Einstein's General Theory of Relativity
2. ___
Dark energy
3. ___
Cosmic microwave background
4. ___
John Mather
5. ___
Supernovae
6. ___
Big bang
7. ___
Hubble's Law
8. ___
Red shift
9. ___
Inflation
10. ___
Dark matter

Definitions

A.
A shift in the observed spectrum of an object due to its motion
B.
Stars that light up suddenly to great brightness and then fade away
C.
Rapid expansion of the Universe after the Big Bang
D.
Galaxies which are farther away are moving away faster
E.
Matter whose existence is known only through its gravitational pull on other matter
F.
The light from the early Universe
G.
COBE satellite
H.
Explains how gravity works
I.
Leading theory of the origin of the Universe
J.
Hypothesized form of energy that causes the expansion of the Universe to speed up


↑ Engagement


A service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Andy Ptak (Director), within the Astrophysics Science Division (ASD) at NASA/GSFC