Star Flashcards
What is a star called and made up of when it first starts
A star is called a nebula and is a cloud of dust and gas when it is first starting
What happens when a planet gets closer to the sun or a star
The faster it orbits terrestrial planets orbit faster than Jovian planets
What needs to happen in order for a star to be born
Nuclear fusion takes place and energy is created
What star is the average star in the center of our solar system
The sun is in the middle of our solar system and is an average star
What do stars burn
Stars burn converting hydrogen into helium
called nuclear fusion
as a star ages there will be less hydrogen and more helium
What color are the hottest stars and what color are the coldest stars
The hottest stars are labeled as blue the coldest stars are labeled as red
What percent of stars are in the main sequence group otherwise known as the average size group
90% of stars are in the main sequence group this includes the sun
What happens to giant stars
Giant stars become white dwarfs become black dwarf otherwise known as dead stars
this is also the expected pass the sun will take
What happens to a supergiant
A supergiant eventually will explode in a supernova event
What is the age of our universe approximately
Our universe is 10 to 15,000,000,000 years old
What is the age of our solar system
Our solar system is 4.6 billion years old
What galaxy do we live in and what is it shaped like
We live in the Milky Way galaxy and it is a spiral shape
What are they universal begin with and what is it called
The universe began it was an explosion otherwise known as the big bang THEORY
Because of the Big Bang Theory what is happening and continuing to happen with our universe
Our universe has always been increasing in size and is still increasing in size today
What is evidence that our universe is expanding
universe is expanding comes from red shift
galaxies exhibit a red shifted wave length
means they are moving away from us
How do you measure the properties of light
Spectroscope
Astronomy
The study of the universe stars planets and all other objects in space