Contrast finding the distances to seventh magnitude M3V and M3Ib stars.
What will be an ideal response?
Question 2
Concerning dark energy, we do know
A) combined with dark matter, it will ultimately produce a closed universe.
B) its density remains constant over time, so it is not important in the early universe.
C) that it is created when matter annihilates anti-matter.
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.
The "Emu in the sky," a constellation defined by dark clouds rather than the stars.
Evolution of Stars Off the Main Sequence
The Number of Children Americans Think Are Ideal
Finding the angle from a ratio (Part 1)
2. Given 4 vectors with magnitude of :
For the circuit in Figure 1, assume ideal diodes. The peak inverse voltage is approximately