Question

which is the lightest element found in stars
a.hydrogen
b.carbon
c.lithium
d.helium
Answer
which are two examples of non visible light
a.radio waves and x-rays
b.white light from microwaves and the sun
c.white light from light bulbs in the sun
d.rainbows and ultraviolet light
Answer
what is one possible ending for a large star
a.neutron star
b.red giant
c.planetary nebula
d.white dwarf
Answer
why do scientists study the spectral lines of new stars
a.to see how old they are
b.to see how many layers they have
c. to see where they are
d.to see what elements they are made of
Answer
what state of matter often contained in stars is defined as elements having decentralized electrons that flow from one atom to another?
a.liquid
b.plasma
c.gas
d.solid
Answer
in what stage do all stars begin their life cycle
a.white dwarf
b.neutron star
c.supernova
d. stellar nebula
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