Spiral tracers tend to be old, luminous stars
a. True
b. False
Indicate whether the statement is true or false
False
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Of all the active galactic nuclei, the ________ is the most energetic
A) quasar B) giant elliptical C) radio lobe galaxy D) blazar E) Seyfert
The Sun produces energy by fusing hydrogen into helium
Indicate whether the statement is true or false
A loop of wire (resistance = 2.0 m?) is positioned as shown with respect to a long wire which carries a current. If d = 1.0 cm, D = 6.0 cm, and L = 1.5 m, what current is induced in the loop at an instant when the current in the wire is increasing at a rate of 100 A/s?
a.
34 mA
b.
30 mA
c.
27 mA
d.
38 mA
e.
0.50 mA
Which type of asteroid is classified to be dark as coal and probably carbonaceous?
a. C-type b. F-type c. M-type d. S-type e. V-type