Even if a probe were in a stable orbit near a black hole, we would still observe its signals redshifted by the gravitational field of the black hole.
Indicate whether the statement is true or false
Question 2
Star A is identical to Star B, except that Star A is twice as far from us as Star B. Therefore, ________.
A) both stars have the same luminosity, but the apparent brightness of Star A is four times that of
B) both stars have the same luminosity, but the apparent brightness of Star B is four times that of
C) both stars have the same apparent brightness, but the luminosity of Star B is four times that of
D) both stars have the same luminosity, but the apparent brightness of Star B is twice that of Star A
The Black Bee-eater (Merops gularis) is a species of bird in the Meropidae family.
The Glory Hole
The Orbit and Tails of a Comet
The black-and-white colobus is an African colobine.
The skulls of living haplorhines differ from those of strepsirhines by having large brains, an enclo
In situ hybridization between a radioactive probe