Astronomy Terms

Parallax

• a way to measure objects in space

• two objects that are side by side

• an alternate universe

• the moral of a story

Light-Year

• how long it takes sunlight to travel to Earth

• the distance light travels in a year

• a unit of measurement (5.8 trillion miles)

• how long this class feels

Any star that is fusing hydrogen in its core and has a stable balance of outward pressure from core nuclear fusion and gravitational forces pulling inward.

• Red Giant Star

• Super Giant Star

• White Dwarf

• Main Sequence

Tags

NGSS.HS-ESS1-1

Absolute Magnitude

• the magnitude (brightness) of a celestial object as it would be seen from Earth

• the magnitude (brightness) of a celestial object as it would be seen at a standard distance

• How bright a star appears in the night sky relative to other stars seen

• The total power a star radiates into space

Luminosity

• relative brightness

• absolute brightness

• absolute darkness

• relative darkness

Apparent Magnitude

• the luminosity of objects of equal distance

• the relative size compared to the Sun

• the relative size compared to Earth

• the luminosity of a celestial body (such as a star) as observed from the earth

Fusion

• a form of music

• the splitting of two or more atoms in a stars core

• The combining of two or more atoms in a stars core into a new heavier atom

• the distance between the earth and sun

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

A main sequence star that has stopped fusing hydrogen and begun fusing helium. It has grown in size and changed color as a result. (this is the fate of our sun

• Black hole

• White dwarf Star

• Red giant star

• Super red giant star

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

White dwarf

• a small, cool, bright star that is the leftover center of an old star

• A small, hot, dim star that is the leftover center of an old star

• the remains of a high mass star

• a very small animla

Super Giant

• massive star that is cool and bright

• massive star that is cool and dim

• massive star that is hot and bright

• massive star that is hot and dim

Tags

NGSS.HS-ESS1-3