Astronomy Flashcards
(21 cards)
True or False
An Astronomical Unit is averege distance between the sun, and the earth.
True
True or False
Distance of light traveling in one year is Light-Year.
True
What is a Parsec?
A Parsec is a unit that describes long distances.
(In Light-Years)
What is a Nebula?
A Nebula is a “fuzzy” patch of sky. A cloud of interstellar gas and dust.
True or False
Angular Velocity is the rate of change of a rotating body that is on an angle
True
True or False
The path of an object in space that rotates around a star, moon or planet is orbit.
True
What is a Period?
The amount of time.
True or False
A Constellation is a group of stars that make a pattern.
True
What is Planetesimal?
Planetesimal is a body that can become together with something with the pull of gravity.
What is Protoplanetary?
Protoplanetary are the small moon-sized planets that attact and connect with each other.
True or False
Nuclear fusion is nuclear power.
False
Nuclear fusion is a nuclear energy that become light weight to form with heavy nuclei.
What is Terrestrial Planets?
Any of the planets that are similar to Earth.
True or False
Gas Giant Planets are the outer solar system planets.
True
True or False
A Comet is a frozen gas, ice and rock that orbits the sun.
True
True or False
An asteriod is a fire ball.
False
An asteriod is a small planetary rock that orbits the sun.
True or False
Cosmetologist is an expert of all the cosmic.
True
True or False
Revolve is to move in circle while in a orbit.
True
Is Rotation act of rotating on a axis?
Yes
Is sidereal day the time between two times?
Yes
Is solar day time between the transit of the sun?
Yes
Is a year the period of 365 days?
Yes
