Long period comets are thought to reside mainly in the:
A) asteroid belt.
B) Kirkwood gaps.
C) Kuiper Belt.
D) Oort Cloud.
E) Interstellar Medium.
D
You might also like to view...
Ordinary matter makes up approximately ____percent of the critical density of the Universe
a. 0.1 b. 1 c. 4.5 d. 10 e. 50
A drive shaft resists torsional shear stress of 45 MPa and axial compressive stress of 100 MPa. The ratio of the magnitudes of the principal stresses (?1/?2) is approximately:
(A) 0.15
(B) 0.55
(C) 1.2
(D) 1.9
Mineral sample #5 is ________.
Fluorite - CaF2 Muscovite - KAl2(AlSi3O10)(F,OH)2 Gypsum - CaSO4ยท2H2O
When we look at an object that is 1,000 light-years away we see it
A) as it was 1,000 years ago. B) as it was 1,000 light-years ago. C) as it is right now, but it appears 1,000 times dimmer. D) looking just the same as our ancestors would have seen it 1,000 years ago.