Stars
Cloud of dust and gases that contracts to form a star
What is a Nebula ?
A natural satellite that revolves around a planet.
What is a moon
The name of our galaxy
Milky Way?
The star property listed on the Y axis on the HR Diagram. It represents the Star's brightness.
What is a star's Luminosity or Magnitude?
what is a nebula (2)
Collect of dust and gas, forms stars results from dying star
What phase is after the average star in main sequence phase?
Red giant
Chunks of rocks and metal that orbit the Sun between the inner and outer planets.
What are asteroids?
The type of galaxy that has many young stars and does not have a definite shape
What is an Irregular Galaxy
The star's property listed on the X axis of the HR Diagram. It increases as you move from right to left.
What is a Star's temperature?
What is a star
Sphere condensed by gravity made from nuclear reactions
All stars begin with these 2 elements
What are hydrogen and helium?
"Dirty Snowballs" Celestial object made up of dust and ice, which form a tail as it orbits the sun.
What is a comet?
The shape of our galaxy
What is a Spiral Galaxy?
The group on the HR diagram that includes most of the stars.
What is Main Sequence?
name the 4 types of stars on the HR diagram
main sequence, giants, white dwarf, super giant
The sun is a___________ star.(type of star)
Main sequence
A meteor which has landed on Earth.
What is a meteorite?
The type of galaxies that contains many old stars and has an oval shape.
The color of the hottest stars.
What is blue?
what is a planetary nebula?
death stage of average sized star, beginning of a white dwarf before its a star
What phase is next after a massive star?
Super red giant
Made of dust and gas, large, can emit light
Nebula
If a galaxy appeared to be getting closer I would be experiencing........
Blue shift
The dim but hot stars on the HR diagram
white dwarfs
What is Cosmic Microwave Backround?
evidence of the big bang, radiation from reaction