Components of the Universe Review

How many stars do we have in our Solar System which is located in the Milky Way Galaxy?

• 1
• 10,000
• 100,000
• 1,000,000

Many of the stars in the night sky are much larger than our Sun, but appear much smaller.  The Sun appears larger than larger stars because the Sun -

• is a yellow star
• much closer
• much hotter
• much cooler

Which of these descriptions below best describes a light year?

• A distance measured by how far light travels
• A time describing how long it takes for light to travel in a year
• A distance measured by how far light travels in a year
• A time describing how far light travels

A star is moving away from our solar system. What is the light going to look like?

• It will have a blue shift
• It will have a green shift
• It will have a yellow shift
• It will have a red shift

Which of the following support the Theory of the Big Bang.

• Scientists have found that objects are moving away from Earth by observing their red shift in the electromagnetic spectrum.
• Scientists have not found a star older than the age of the Universe.
• Both a and b are correct
• None of the above support the Big Bang Theory

How many stars are between the Earth and the Sun? 

• 1
• 100,000
• 0
• millions of stars

This type of wave on the electrocmagnetic spectrum causes sun burn and skin cancer and is filtered by the ozone layer.

• Radio Wave
• Microwave
• Ultra Violet Rays
• Infrared

What is the name of the currently accepted theory for how the universe was created? 

• Big Bang Theory
• Black Hole Theory
• Supernova Theory
• Big Dipper Theory

Which of the following best describes the relative size of our Sun?

• Among the group of largest stars
• Among the white dwarfs
• The smallest star in our galaxy
• Medium-sized compared to all stars

Which type of light waves contain the most amount of energy and are the source of radioactive radiation? 

• X-rays
• UV Rays
• Gamma Rays
• Radiation Rays