Science Chapter 10 Flashcards
Science
Magnitude
The brightness of stars
Apparent Magnitude
How bright a star appears to us
Absolute Magnitude
True brightness of a star
Pulsar
Neutron star that spins rapidly on its axis
Neutron Star
May occur when a super giant collapses to a very dense core
Nebula
A cloud of dust, gases, and debris
Nova
An existing star flares up and becomes brighter
Supernova
The death explosion of a star
A light year is the distance that light travels in one year. True or false?
True
The apparent movement or change in position of one star in relationship to other stars is known as pulsating. True or False?
False
Stars are glowing balls of glass that reflect light. True or False?
False
A super giant star that collapses and disappears from space is called a black hole. True or False.
True
Proxima Centauri is the closest star to Earth. True or False?
False
Variable stars regularly or repeatedly change in magnitude. True or False?
True
What is the smallest type of star?
A dwarf star
What is the largest type of star?
Super giants
What is the second largest star?
A giant star
What is the color of the coolest stars?
Red
What is the closest star to Earth?
The Sun
What is the color of the hottest stars?
Blue
What kind of star is hundreds of times brighter than the sun?
A giant star
What day of Creation did God create the sun, moon, and stars?
The fourth day
What kind of star is our sun?
A dwarf star
