The minimum period of light variations are used to find the ...

[gbarreiro]

The minimum period of light variations are used to find the ________ of the central engine in galactic cores.
 
  Fill in the blank(s) with correct word

Question 2

Briefly summarize the observed patterns of motion in our solar system that are consistent with the nebular theory.
 
  What will be an ideal response?

[mochi09]

Answer to Question 1

size

Answer to Question 2

(a) All planets orbit the Sun counterclockwise when seen from above Earth's North Pole. (b) All planetary orbits lie nearly in the same plane. (c) Almost all planets travel on nearly circular orbits. (d) The spacing between planetary orbits increases with distance from the Sun. (e) Most planets orbit in the same direction in which they rotate, counterclockwise. (f) Almost all moons orbit their planet in the same direction as the planet's rotation and near the planet's equatorial plane. (g) The Sun rotates in the same direction in which the planets orbit.

[gbarreiro]

Great answer, keep it coming

[gcook]

Thanks for the timely response, appreciate it