Planets
.2%
The sun is a __________ star
Main sequence
Stars can follow one of two life paths based on their
Mass
Rainbows are a visual representation of what?
the visual spectrum
true or false
some elements share the same color when they are glowing
false
Theia was a protoplanet that struck the earth to form the
Moon
The existence of this element inside a star is evidence of aging?
Iron
Neutron Stars usually exist in
Pairs
What is the formula to find a wavelength?
wavelength = velocity/frequency
What color is neon? approximate guess
A lot of evidence for the formation of the planet can be found in these that hit the earth from time to time
Meteorites
Most heavy elements are formed in white dwarves and ___________
Neutron Stars
Black holes only form in which of the two life paths of a star?
Heavy
What is the formula to find the frequency
Frequency = velocity/wavelength
What color is Helium? Approximate guess
Off-white
Two early stages of planet development are protoplanets and
planetesimals
A baby star is called a what
Protostar
When a star runs out of burnable material it goes?
Supernova
What do we call wavelengths of light that are shorter that the visual spectrum?
Ultraviolet
True or false
every emission line on the spectrum must be present in the star for the element to be in the star
true
Based on the existence of heavy elements on earth what can we tell about the age of the earth compared to the universe?
Most elements are formed from what process that we learned about first in Unit 1
When a star runs out of what element does it start to fuse elements like helium?
Hydrogen
What do we call wavelengths of light that are longer than the visual spectrum?
A blank can tell us the composition of a star?
Spectral barcode