TERMS
A region in space where no radiation is emitted.
What is a Black Hole?
A body of hot gases.
What is a Star?
Term used to identify a ball-shaped material within a nebula that could become a star.
What is a Protostar?
Mass less than half that on our Sun. Cooler temperatures. Red Dwarfs are common.
What is a Low-Mass Star?
Many stars that form have a second star which shares a common center of gravity. The name for this is...
What is a Binary Star?
The measure of the brightness of a star.
What is Magnitude?
A giant cloud of gas and dust and, sometimes the
remains of a star.
What is a Nebula?
This occurs in a star at around 10 million K (Kelvin).
What is Hydrogen Fusion, a type of nuclear fusion.
Like our Sun with life into the billions of years. Will expand into Red Giant towards its midlife.Then will collapse into a White Dwarf. Outer layers will blow outwards to become nebula.
What is a Medium Mass Star?
In a Binary Star, its the brighter of the two.
What is the Primary Star?
A grouping of stars, named after mythical figures and animals.
What is a Constellation?
A pulsating star that flashes electromagnetic emissions in a set pattern.
What is a Pulsar?
This is where a star will spend majority of its life.
What is the Main Sequence Phase?
Huge amounts of energy release exploding the star.
What is a Supernova?
Its the name of the less bright star in a binary system.
What is the Companion star?
The distance light travels in one Earth year.
What is a Light Year?
A distance of 5 trillion, 878 billion miles (5,878,000,000,000 miles).
What is a Light Year?
The fate of a star depends upon its...
What is Mass?
This has such a strong gravitational force; nothing can escape from it. Not even light.
What is a Black Hole?
Some binaries cannot be resolved even with a telescope but can be detected by the change of brightness as one stars crosses in front of the other.
What are Eclipsing Binaries?
A distance equal to 3.26 light years.
What is a Parsec?
A measure of a star’s brightness as seen from the Earth.
What is Apparent Magnitude?
the point the star no longer grows (gets more massive) and enters the
What is "Main Sequence" or Path of Life?
This star flashes electromagnetic emissions in a set pattern.
What is a Pulsar?
This follows the aging of a Massive star into a Red Supergiant.
What is a Supernova?