We expect a scientific theory to be able to make predictions that can be tested. Which of the following is a prediction of the nebular theory that has been verified by observations?

a. Large planets should have at least some moons that are larger than the smallest planets.
b. Planetary orbits should lie in approximately the same plane as the disk of the Milky Way Galaxy.
c. Earth-size planets should have fairly large moons.
d. Many stars should have planets.


Ans: d. Many stars should have planets.

Physics & Space Science

You might also like to view...

A stream's load is divided into three components: dissolved load, ______________ load, and bed load

Fill in the blank(s) with correct word

Physics & Space Science

A standard candle is an object with a known luminosity

a. True b. False Indicate whether the statement is true or false

Physics & Space Science

An electric motor produces 2.0 hp in a Vrms = 120 V circuit. What is Irms for this motor? (1 hp = 746 W)

a. 12 A b. 6.2 A c. 0.62 A d. 1.6 A

Physics & Space Science

Thermodynamic Processes: The process shown on theĀ pVĀ diagram in the figure is an

A. adiabatic expansion. B. isothermal expansion. C. isometric expansion. D. isobaric expansion.

Physics & Space Science