Vocab
Constellations
The first phase of the stars life cycle
nebula
An area of gas on the sun that are cooler than the gases around it
sun spot
What is a geocentric solar system?
An earth centered solar system
What is a meteor?
A streak of light in the sky produced by the burning of a meteoroid in the Earth's surface
A giant ball of hot gas that creates and emits its own radiation through nuclear fusion
Star
Phase after the nebula
Main sequence
The outermost part of the sun
Corona
What is the name of our neighboring galaxy?
Andromeda galaxy
Rotations from east to west, opposite direction from most planets and moons
retrograde rotation
Two days out of the year neither hemisphere is tilted toward or away from the sun
Equinox
The smallest type of star
pulsar
Who developed the sun centered system of the planets? (2 people)
Galileo and Copernicus
What is a light-year?
The distance light travels in on year
Asteroid
Them most distant visible objects (because of their brightness) are called
quasars
Two phases that can occur after a super nova
Black hole
nuetron
The inner most part of the sun
core
Why do we experience seasons on Earth?
Due to the tilt, part of Earth tilts toward the sun while the other tilts away
What is the largest type of star?
super giant
Dark, flat areas on the moon's surface that are low and dry
marias
The two phases that follow red giant, in order.
White dwarf then black dwarf
The stream of electrically charged particles the corona sends out is called
Solar wind
What's the difference between a black hole and supernova?
A supernova is the explosion of a dying giant or supergiant star, a black hole is the remains of an extremely massive star pulled into a small volume by the force of gravity
Star system that contains two stars
binary star