X-Ray Telescopes

Read about: X-rays were first used to view what cannot be seen with the naked eye. X-rays at the perpendicular on any material are largely absorbed rather than reflected. It is important to focus x-rays because there are sometimes faint rays that cannot be seen at a first glance.

Take the Quiz: I scored a 75% on the quiz.

Try this: I could not find the Try This activity for this topic.