Vocabulary
The simplest atom and the first atom in the universe
What is hydrogen?
Nuclear fusion
When two nuclei join together into a heavier nucleus
How long is a sunspot cycle? (solar cycle)
11 Years
Stars are born in a cosmic nursery of dust and gas called a...
Nebula
You can find Polaris by...
find the right edge of the big dipper, then look up from that.
"HI, I have 1 proton and 1 neutron."
Hydrogen
this "colorful" process is one way we know the universe is expanding
Red Shift
What KIND of nuclear fusion do stars do? What fuel and what is the result?
Stars FUSE hydrogen and turn it into helium.
This takes 11 years
A solar cycle (sunspots)
The location of Polaris
Then end of the handle of the Little Dipper.
North of the Big Dipper.
U
I'm the second simplest and and second most common element in the universe.
Helium
This Frozen Burrito cooking process is another way we know the universe is expanding
Cosmic microwave background radiation
CMB
or just
Microwave Radiation
this event looks like a loop of fire or and fountain of fire on the sun's outer edge (on the heliosphere)
Solar Prominence
Name any stage of a sun-sized star's life? (massive stars 9 times bigger than the sun die in a different way)
Protostar
Main Sequence Star
Red Giant
White Dwarf
If I see Polaris, the direction i'm facing is...
True north
I am the age of the solar system and therefore the sun
4.5 billion years old
The more initial mass of a star, the _____ it ______
the sooner it dies.
This event leaves the sun and messes with our satellites etc
solar flares
Stars burn up _______ and make _________.
Hydrogen, helium.
Remember, they're not combining helium with hydrogen! Helium is the result.
Two other names for Polaris are
1. The North Star
2. Pole Star
what state is a main sequence star in? Not a solid or liquid....
Plasma state
when the a sun-sized star dies it will become a ____ and then a _____.
red giant, white dwarf.
A sunspot is a dark "freckle" on the sun. it's a location of WHAT KIND of activity?
Magnetic activity
Why does a star die? (don't be sad)
It runs out of fuel!
Polaris looks like only 1 star, but up close you would see...
3 stars.
Its a triple star system!