Harlow Shapley found the Milky Way was:
A) centered on the Earth.
B) much smaller than previously thought.
C) rapidly expanding.
D) much larger than previously thought.
E) uniformly spherical in shape.
D
Physics & Space Science
You might also like to view...
If an electron is accelerated from rest through a potential difference of 9.9 kV, what is its resulting speed? (e = 1.60 × 10-19 C, k = 1/4??0 = 8.99 × 109 N ? m2/C2, mel = 9.11 × 10-31 kg)
A) 5.9 × 107 m/s B) 4.9 × 107 m/s C) 3.9 × 107 m/s D) 2.9 × 107 m/s
Physics & Space Science
(b) The space time interval between events A and C is:
A. Time like B. Light like C. Space like
Physics & Space Science
In the context of an eclipsing binary system, briefly explain a light curve
What will be an ideal response?
Physics & Space Science
What does the granulation tell us about the layers below the photosphere?
What will be an ideal response?
Physics & Space Science