If Hubble's constant is taken to be 70 km/s/Mpc, and a quasar is found with a radial velocity of 0.95 times the speed of light, how far away is the quasar?
a. 4100 Mpc
b. 0.014 Mpc
c. 67 Mpc
d. 74 Mpc
e. 300,000 Mpc
Question 2
The theory that the collapse of a massive star's iron core produces neutrinos was supported by
a. the size and structure of the Crab nebula.
b. laboratory measurements of the mass of the neutrino.
c. the brightening of supernovae a few days after they are first visible.
d. underground counts from solar neutrinos.
e. the detection of neutrinos from the supernova of 1987.
Habitat corridor found in Banff National Park.
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The Indian palm squirrel is the most common type of squirrel found in India.
The Speed of Light Is Constant
On May 15, 1916, after deliberating for one hour, an all-white jury in Waco, Texas, found seventeen-
A particle (q = -4.0 mC, m = 5.0 mg) moves in a uniform magnetic field with a velocity having a ...