Chapter 10 Review Flashcards
The brightness of a star
magnitude
When a massive star runs out of fuel, collapses, and disappears from space, this is what scientists call what is left
black hole
The measurement of a star’s apparent movement over time
parallax
What term of scientists use to describe the death explosion of a massive star
supernova
the largest and brightest star
Supergiants
A cloud of dust, gases, and debris
nebula
When an existing star flares up and becomes brighter than normal
nova
A neutron star that spins rapidly on its axis
pulsar
Stars that regularly or repeatedly change in magnitude
variable stars
A group of stars that form a picture
constellation
telescopes that bend light to make objects seem larger
refracting telescopes
What kind of telescope used mirrors to make objects appear bigger?
reflecting telescopes
___________ are glowing balls of gases
stars
Which color star are the hottest stars
blue
What type of telescope breaks down the light given off by a star into all its colors.
Spectroscope
What is the closest star to the Earth
Sun
contains three or four stars
multiple star group
made of irregularly shaped pieces of rock, metal, and dust
asteroid
contains two stars
binary systems
a chunk of frozen gases, water, and dust that orbits the Sun
comet
a huge star system that covers many light-years of space
galaxy
In which galaxy do we live?
the Milky Way
What is the scientific study of stars called?
astronomy
When does a meteoroid become a meteorite?
when it passes through Earth’s atmosphere and lands on Earth
When is a meteoroid called a meteor?
when it lights up as it passes through Earth’s atmosphere
What is the difference between the apparent magnitude and the absolute magnitude of a star?
Apparent magnitude is how bright a star appears to us. Absolute magnitude is how bright the star really is.
Wh should a Christian not be involved din astrology?
Astrologists look to the stars for guidance, but Christians should depend on God’s Word to lead them and help them make decisions.
How is globular cluster different from an open star cluster?
The stars in a globular cluster form a ball. An open star cluster has fewer stars and no particular shape.
