This presentation overviews solar energy from stars, nucleosynthesis, how other trace elements form, and how studying stars is useful for physicists. These lectures contain pictures, images, graphs, and links to the...
In this lesson, learners examine images of the Sun, the Moon, Pluto, and all eight planets in the Solar System. Students determine the diameter of each object from a scale bar provided with each image and then rank the...
Galileo used his telescope to gather data about the heavens, and his observations and theories sparked much controversy. This video segment discusses Galileo's observations of sunspots, which challenged the current...
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