Astronomy Flashcards
Is Light Year the distance in a month?
No light year is the distance the light goes in one year.
What is astronomical unit?
The distance between the center of the earth to the cent of the sun.
What is Parsec?
Describes large distance.
What is Nebula?
A patch in the sky light or dark gas or dust.
Does a constellation make pictures?
No its agrouping of starts that makes a pattern.
What is Nuclear Fusion?
A Nuclear Fusion is a process that releases energy when light nucleic combines and forms heavier nucleic.
What is Protoplantary Body?
A clump of material fromed in the early stages of the solar system formation.
What process allows a small body to grow into a planet?
Planetesmial.
What is it called when another planet has a rocky surface like earth?
Terrestrial Planet
What is a planet called that is almost entirely gas?
A gas giant planet
What is a comet?
An object that has ice and dust , and when its near the sun it has a “tail” of gas.
What is rocky that orbits the sun?
An asteriod.
Who studies the evoultion and space-time of the universe?
A Cosmologist.
What is angular velocity?
The rate of change of a rotating body.
What does the earth do around the sun?
It orbits , which mean to circle around something.
What is a period?
A length or portion in time.
What does a planet do on a central axis?
It revolves.
What is it called when something moves around on an axis?
It’s called rotation.
What is the time of for a planet to rotate?
Sidereal Day.
What is Solar day?
The time that the earth makes a quick roation on its axis.
What is a solar year?
How long the earth takes to obit around the sun. ( 365 days . 5 hours . 48 Minutes . 49.7 Seconds )
What is Accertion?
The process of growth or increase.
What is Spring Tide?
A tide ust after a new or full moon.
What Is Neap Tide?
A tide after the first and third quaters of the moon.
