Life Cycle of a Star
What is different about the size of a star compared to the length of its lifespan?
What is the larger the star, the shorter its lifespan?
Vesto Slipher noticed that as galaxies move away from us in space they move toward one end of the visible spectrum. This is known as what?
What is red shift?
These are human made objects which have been sent into orbit around Earth to relay communications, take pictures, and perform other tasks. They are also natural objects that orbit planets.
What are satellites?
When stars begin they are a cloud of dust and gas know as this.
What is a nebula?
The sun, and all bodies that orbit around it form this.
What is the solar system?
The Big Bang happened this long ago.
What is 13.5-13.8 bya?
This is the most common element found in stars, and therefore the universe.
What is hydrogen?
Along with the rotation around the sun, this causes seasons on Earth.
What is the tilt of the Earth?
This scientist noticed that the further away a galaxy is from us, the faster it moves away from us.
Who was Edwin Hubble?
In this process, the nuclei of atoms fuse together to form a larger nucleus/new and heavier elements.
What is nuclear fusion?
This is the main form of energy powering stars. It is where elements combine and form new, larger elements.
What is nuclear energy?
This is the innermost part of the sun where it's energy is generated.
What is the core?
This is how far we can see using any/all of our available technology.
What is the observable universe?
This is the last stage of a main sequence star's life.
What is a black dwarf star?
This is the 4th state of matter, commonly found in the sun when protons and neutrons separate from one another.
What is plasma?
The sun's rays strike Earth most directly along here.
What is the equator?
This is how long it took the first stars to ignite after the Big Bang.
What is 4 million years?
This is the term used to describe an average sized star that has stabalized.
What is a main-sequence star?