Multiple Choice
The number of planets outside the solar system that have thus far been detected is
A) 5.
B) 9.
C) 50.
D) over 100.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q11: The most distant galaxies are receding at
Q32: The proportionality between the recession speeds of
Q34: Primary cosmic rays are characteristic phenomena of
Q36: The stars in the universe are<br>A) approximately
Q37: Galaxies<br>A) have a variety of shapes.<br>B) are
Q38: The Milky Way is a<br>A)globular duster.<br>B)nearby galaxy.<br>C)galaxy
Q40: Studies of the cosmic background radiation suggest
Q41: Individual stars outside our galaxy<br>A)can be seen
Q44: Considering matter and energy together, the smallest
Q45: Dark energy<br>A) is the energy equivalent of