Stars and Galaxies

C71 to C96

Question

• What is a number of stars that appear to form a pattern called?

Answer

• Constellation

Question

• What described the brightness of a star?

• Or the size of an earthquake?

Answer

• Magnitude

Question

• How long can light travel in a year?

Answer

• 9 trillion kilometers in a year

Question

• A star begins a an enormous amount of gas called ?

Answer

• Nebula

Question

• Main sequence stars are also known as?

Answer

• Protostar

Question

• As hydrogen is used up, the core begins to expand and this allow the star to become______________

Answer

• Giant or Super giant

Question

• When a star which becomes 10 times larger than the sun explodes, it creates a _______________?

Answer

• A supernova

Question

• Once the supernova has exploded, then it can become one of two things, what are they?

Answer

• A black hole

• Neutron star

Question

• The outer most part of the sun is called?

Answer

• Corona

Question

• The second layer of the sun is called?

Answer

• Chromosphere

Question

• There are 3 types of galaxies, name one

Answer

• Spiral

• Elliptical

• Irregular

Question

• The name of our galaxy is?

Answer

• Milky way

Question

• Our galaxy is expanding? True or False

Answer

• Yes

Question

• What are an extremely bright, extremely distant high energy source?

Answer

• Quasars

Question

• According to the big bang theory, where did all the matter and energy go after the big bang?

Answer

• Background radiation