Concerning dark energy, we do know:
A) that it is created when matter annihilates anti-matter.
B) its density remains constant over time, so it is not important in the early Universe.
C) combined with dark matter, it will ultimately produce a closed universe.
D) that it was revealed with Type II supernovae distances in the late 1990s.
E) that it makes up 90 of all the matter and energy in the whole universe.
Question 2
The atmosphere of Venus is about 95 ________.
Fill in the blank(s) with correct word
Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye
Bonding Partners and Energy May Change in a Chemical Reaction
Renewable Energy Efforts
Locations of key energy meridians and acupoints for the back, shoulder, arm, neck, head, and face.
Created Equal: A Social and Political History of the United States, Brief Edition
Energy Transfer