10) which of the following is a tool that is used by astronomers to study radiation? a) a computer model b) a ground based telescope c) a foucault pendulum d) a calendar 11) which of the following is evidence of earth's revolution? a) the foucault pendulum b) the coriolis effect c) night and day d) constellation movement 12) which of the following forms of radiation can be shielded by earth's atmosphere? a) gamma rays b) radio waves c) visible light d) all of the above in advance for guys : )