Origins of the Universe/Formation of the Solar System

How does a red shift affect the wavelength of light?

Jupiter is much more massive than Earth. What would happen to an astronaut on Jupiter?

Where would you find the LEAST gravitational pull?

A rocket approaching a planet is affected by the planet's gravity. Identify the rocket's most likely path.

As distance from the sun increases, the speed at which a planet travels in its orbit _____ .

What two forces determine whether an object has a stable orbit round the sun or not?

The orbits of the planets are shaped like _____ .

The force of gravity between two objects depends on _____ .

Spectrum analysis is used to determine ______ .

What is a tide?

Gravity is best described as a _______ .

What force represented by the arrow marked X in the diagram above keeps the moon from traveling in a forward motion?

The force that pulls objects toward the Earth is

According to the nebular gas theory, which of the following formed from a nebular cloud of gas and dust?

In the process of nuclear fusion, energy is released when ______ .

Identify the object that has the greatest gravitational pull

A scientist is conducting spectrum analysis of light from a distant galaxy. Which evidence would support the Big Bang?

Gravity is best described as the attractive force _______ .

What keeps all the planets in our solar system in their regular, predictable orbits?

What is the best evidence in support of the Big Bang Theory?

Fusion occurs in the Sun's _____ .

What force causes a nebula to condense into a solar system?

This force is responsible for keeping the planets in their orbit and plays a role in tides. The force is _____ .

What type of tide occurs when the Sun, Earth, and Moon are in alignment with one another?

What are the two phenomena used as evidence to support the Big Bang Theory?

According to the nebular gas theory, which of the following are by-products of the formation of the Sun?

During nuclear fusion _____ .

Tides generally occur twice a day. Which of these is responsible for occurrence of tides?

Our solar system formed from a space cloud of gas and dust known as a _____ .

Which word best describes gravity?