LEARNING ABOUT THE UNIVERSE...

How do scientists learn about objects in space that are inaccessible for direct testing?



Can you think of how scientitsts might obtain information....?






(CLICK HERE AFTER YOU'VE THOUGHT IT OVER)





















TECHNOLOGY
Information is received when using...telescopes, radio telescopes, instruments carried by satelites, space probes. Scientists study the light and other types of radiation (radio, X-rays, infrared) received from stars as data to use to form questions, hypotheses, and conclusions.

http://space.popsci.com/space/