When galaxies collide
A.) Their stars collide with each other.
B.) Their mutual gravitation will greatly distort each galaxy.
C.) Gas and dust from the two galaxies collide and stars form.
D.) All of the above.
E.) B and C.
Ans: E.) B and C.
Physics & Space Science
You might also like to view...
What is the celestial sphere?
A. Earth B. an observatory dome C. the Sun D. the imaginary sphere of the sky, on which stars lie
Physics & Space Science
The Galilean moon of most interest to exobiologists is
A) Ganymede. B) Europa. C) Io. D) Amalthea. E) Callisto.
Physics & Space Science
Which of the following is not one of the three major categories of galaxies?
A) irregular galaxies B) elliptical galaxies C) globular galaxies D) spiral galaxies
Physics & Space Science
Today's CO2 abundance is approximately ________ times the average value over the last 800,000 years.
A) 18 B) 1.8 C) 1.18 D) 0.18
Physics & Space Science