Redshift/Blueshift and Solar System Formation

A stationary car's horn is lower pitched behind the car than in front.

Which of the following was not found in the original nebula that formed our solar system?

The frequency of the waves in this image are getting.....

What are two evidences that scientists use to support their nebular theory of solar system formation.

In the early stages of accretion, only "like" particles stuck to each other.

The theory of how the solar system was formed is called the....

Gravity in the nebula caused it to shrink and _____, leading to it flattening into a disk.

For an object to make wavelengths appear shorter is has to be........

This force began accretion of smaller particles in the newly forming solar system.

Blue color electromagnetic waves are _______ in frequency than red.

What is a planetesimal?

Most of the galaxies in our universe are _________.

The gas giants are surrounded by gas because gas particles were.....

The inner planets are rocky and not gaseous because of.....

Black lines on this spectrum mean.........

If a horn on a car decreases in pitch, the car is __________.

The first object/objects to form in the solar system was what?

Which of the following is not characteristic of the Doppler effect?

The star that's emitting this spectrum is getting.......

The bottom spectrum on this image is showing.....

Red color waves have __________ wavelengths than blue.

According to the nebular theory what began to happen after the sun formed?

For an object to show a shift toward the red end of the spectrum is has to be....