history
true or false ( most or the stars in our system are binary stars )
true
Some binary stars orbit _ _ _ _ _ _ _ _ _ _
black holes
what is this topic about?
binary stars ( and if you got that wrong that make me sad)
are they common or rare?
they are common
binary stars can be _ _ _ _ _ _ _ _
invisible
what are the two types of binary stars?
visual, spectroscopic
in really early days what was interesting about the sun?
it may have been a binary star.
binary stars can cause _ _ _ _ _ _ _ _ _ _
supernovas
what do they look like?
they look like two suns
who found out about binary stars? (list a name)
what is a planet that has a binary star?
A circumbinary
what is a binary star?
two stars that revolve around each other or some main point in a system