31.1 & 31.2 Flashcards
(13 cards)
constellation
stars by ancient cultures remain today
radio telescope
collects and amplifies radio waves.
spectroscope
uses a prism or diffraction grating to separate light into its component wavelengths
nebula
stars form from a large cloud of gas, ice, and dust
main sequence
broad band of stars from the hot bright stars in the upper left corner of the diagram.
giant stars
as equilibrium ends the stars core contracts the temperature increases and the star en voles into a giant star
white dwarf
forms as the core of a giant star no longer supports fusion
black hole
an area in space that is so dense that nothing can escape its pull of gravity
photo sphere
layer of the sun that emits light into space
sunspots
dark cool areas in the photo sphere
light year
the distance light travels in one year
supernovas
energy is absorbed and the star an no longer support itself
giant
superhuman size