Read about: light that a planet or star gives off can help in understanding them. The energy of light can be measured coming from a source. The amount of light coming from the source can be measured, and an image can be made.
Take the Quiz: i scored 100% on the first quiz, and
TRY This: cut a slit in a piece of cardboard, hold a CD upside-down and at a 30 degree angle, see the reflected rainbow
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment