The Schwarzschild radius of a 1-Mo black hole is approximately
a. 3 km.
b. 1,500,000 km, the size of the Sun.
c. 150,000,000 km or 1 AU.
d. 3 1013 km or 1 pc.
Question 2
Heat involves wavelengths that are in the ____________ band of the electromagnetic spectrum.
Fill in the blank(s) with correct word