_____ is the label for the X-Axis of the H-R Diagram.
What is surface temperature? OR What is color? OR What is class/type of star?
What two main things that make it possible for a star to form? (Half points for each one)
Enough mass (particles) and gravity.
It's called fusion because ____ fuse together in the core to get heavier.
Elements, Atoms, Hydrogen
What shape(s) have stable orbits?
Ellipses and circles
We can survive on Earth because of what liquid?
Water
_____ is the label for the Y-Axis of the H-R Diagram.
What is luminosity? OR What is brightness?
We can survive on Earth because of this heat-maintaining "blanket".
What is the atmosphere?
Give an example of one of the three size categories of stars.
Supergiant stars OR Main sequence stars OR Dwarf stars
During a star's life, they release solar flares and coronal mass ejections. If they hit Earth, these effect what?
What is electricity? OR What is Magnetic Field? OR What is Northern (and Southern) Lights?
What are the two balanced forces in the core of a star?
Gravity and energy from fusion
We can survive on Earth because it's different from Jupiter, Saturn, Uranus, and Neptune in which way?
We can survive on Earth (as we do) because of ______ like Carbon and Oxygen.
What is elements? OR What are atoms?
Female, "Computer", Cecilia Payne discovered what the sun was made of by looking at the black ____ in the color spectrum.
What are lines? OR What are absorption lines?
Situation: A massive comet with a large elliptical orbit, collides with a small planet pushing it towards the star. Predict the fate of this planet.
The planet will collide and get absorbed by the star
We can survive on Earth because of this force's field that protects us from radiation.
Electromagnetic force creates a magnetic field around the Earth because of the motion of Earth's molten metal core.
What is Electromagnetic force? OR What is Magnetic force?