____ galaxies have a great many short spiral segments branching from the spiral arms
a. Grand design
b. Super spiral
c. Cepheid
d. RR Lyra
e. Flocculent
E
Physics & Space Science
You might also like to view...
A potential changes at the greatest rate in the direction of the gradient of the potential
Indicate whether the statement is true or false
Physics & Space Science
In lasers, YAG stands for
A. yellow argon gold. B. yearly age group. C. yttrium assisted gain. D. yttrium aluminum garnet. E. yttrium antimony gain.
Physics & Space Science
What is left when a planetary nebula dissipates?
A. a neutron star B. a black hole C. a red giant D. a white dwarf
Physics & Space Science
Kinetic Energy: Calculate the amount of energy needed to accelerate an electron from 0.888 c to 0.991 c. Express your answer in MeV. The mass energy of an electron is 0.511 MeV.
A. 2.71 MeV B. 1.89 MeV C. 4.60 MeV D. 5.68 MeV
Physics & Space Science