the formation of a star begins a cloud of interstellar gas and dust.
100
about how big of a difference was your weight on pluto compared to your weight on earth?
if you weigh one hundred pounds on earth you weigh about 1 pound on pluto... do the math
200
what are the two elements the sun are made up of?
hydrogen and helium
200
what is a protostar?
disk shaped object with a hot condensed object at the center
200
explain main sequence
What is upper left corner where hot luminous stars are represented down to the lower right corner where cool dim stars are represented
200
how many minutes did it take the pendulem to knock down a peg?
about 6 to 8 minutes
300
what is a prominence?
an arc of gas that is ejected from the chromosphere, or is gas that condenses in the inner corona and rains back to the surface
300
what is a neutron star?
like electrons a neutrons resistance to being squeezed close together which creates a pressure that halts the collapse of the core and the core becomes a collapsed star remnant
300
what is absolute magnitude?
how bright a star would appear if it would be placed at 10 pc
300
what is a life span of a red giant?
a red giant can transform either to a neutron star or a black hole
400
explain solar wind
gas flows outward from the corona at high speeds
400
what is fusion?
the combination of light weight atomic nuclei into heavier nuclei such as hydrogen fusing into helium
400
what is apparent magnitude?
how bright it appears
500
explain solar flare
violent eruptions of particles and radiation from the surface of the sun
500
what is fission?
splitting of heavy atomic nuclei into lighter nuclei, like uranium into lead
500
what is a black hole?
a collapsing star, compacting matter into a smaller volume. its gravity is so immense that not even light itself can escape it