Star Brightness Compare the brightness of stars using image processing. Relate star brightness to star magnitude by comparing brightness counts of the stars in the Pleiades star cluster. Star Hop to the Pleiades . Penny Magnitudes is a hands-on activity designed to help visualize the magnitude scale. Star Birth Regions in the Milky Way.
Some nebulae are regions of gas and dust in space where new stars are born.
The dust prevents us from seeing all the stars in the nebula. A favorite astronomy research target is M42, the Orion Nebula . The Ring Nebula is an example of a Star Death Region in the Milky Way. Some nebulae are regions of glowing gases and dust which have been puffed off by dying stars. By imaging these regions with different color filters we can see separate views of glowing gases.