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Telescopes as Time Machines
Astronomical Society of the PacificAdd to list DetailsThis fun, nighttime hands-on astronomy activity lets learners explore how long it takes for light from different objects in the universe to reach Earth. The activity shows participants the...
Experiencing Parallax With Your Thumb
NASAAdd to list DetailsIn this activity, learners investigate parallax, a method used to measure distances to stars and planets in the solar system. Learners can see the parallax effect in action by holding their thumb...