REVIEW: STAR’S TEST 2016
What force causes particles of stellar dust to become attracted to each other ? ______
The most widely held astronomical theory about the origin of the universe is the theory.
The fact that the spectra of stars are shifted towards the red suggests that the stars are moving _____
Diagram the correct sequence of a star’s life cycle.
Write the formula for a fusion reaction.
What do each of the letters stand for in the formula E=mc2 .
Explain how the e and m are related. A small amount of ______can become a huge amount of ______
What is the speed of light ?
List the visible light from longest to shortest wavelengths.
What happens to white light as it passes through a prism ?
Which color refracts the most and least ?
What is thought to be at the center of all galaxies ? ______
What is the name of our galaxy ? ______
Approximately 90% of the visible universe’s mass is composed of ______
In the H-R diagram, stars are classified on the basis of ______and ______
A cloud of gas and dust in which a star is born is called a ______
On the H-R Diagram which group do most stars fall? ______
The actual brightness of a star is its ______magnitude.
How bright a star looks from Earth is called ______magnitude.
Blue stars are than red stars.
What factor determines a star’s color ? ______
The apparent magnitude of a star tells you how bright the star is as viewed from .
A nebula is a huge cloud of gas, primarily composed of .
A nebula becomes a star when ______
Our sun is what color ? ______
Using the H-R Diagram below, answer the following questions:
White dwarfs have temperature and absolute magnitudes
Supergiants have temperature and absolute magnitudes
A star with an absolute magnitude of -6 is ______than a star with an absolute magnitude of +2.
Answer the next questions using the following charts:
What is the apparent magnitude of the sun ? ______
What is the apparent magnitude of Jupiter ? ______
How much brighter is the sun than Jupiter ? ______
Can a 15 cm telescope see an object with an apparent magnitude of 18.5 ? ______
The top of the diagram shown below shows the spectrum of 4 elements. Use this diagram to determine which elements are in the star shown in the bottom of the diagram diagram.
What looks like a potato, orbits the sun between Mars and Jupiter, and is made of rock ? ______
A rock that hits the Earth’s surface is called a ______.
A rock that is flying through space is called a ______.
A rock that burns up in our atmosphere is also known as “shooting star” ______.
A ______grows a coma and tail as it nears the sun. It orbits the sun.
The element that is found in space rocks that is not common on Earth ______.