Characteristics of Stars

Which of the following is the main composition of stars?

• Dust

• Gas

• Liquid

• Metal

Which of the following two chemical elements/compounds mostly make up the stars?

• Hydrogen and Helium

• Carbon dioxide and Hydrogen

• Oxygen and Nitrogen

• Nitrogen and Helium

What is the primary process that powers stars?

• Gravitational collapse

• Nuclear fission

• Radioactive decay

• Nuclear fusion

Which type of star is known for having the highest surface temperature?

• Yellow main-sequence

• Blue giant

• Red dwarf

• White dwarf

Which type of stars is about the same size as the Earth?

• Neutron Star

• Giant

• Super Giant

• White Dwarf

What is the color of the hottest star?

• Red

• Orange

• Blue

• White

Which of the following is the term used to refer to the brightness of the stars as seen from Earth?

• parallax

• absolute brightness

• apparent brightness

• reflective brightness

Which of the following is the main reason why a very bright star can be seen as dimmer from Earth?

• it is very close

• it is farther away

• it is cooler in temperature

• the batteries are dying

True or False: The star's color is not directly related to its temperature.

• True

• False

True or False: A star with more mass will last longer than a star with less mass.

• True

• False