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Brightness and Magnitude

Content tagged with Brightness and Magnitude

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Seven Top Galaxies

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Amateur astronomers love to observe galaxies. Although you need a dark site, you can spot some galaxies even through small telescopes. This tour shows you seven of the sky's finest galaxies. Credits Michael Bakich, Astronomy Magazine

Naked-eye open star clusters

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Here are several open star clusters that you can identify without binoculars or a telescope from a dark-sky site. Credits Jeremy McGovern

Earth at Night

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A tour featuring the NASA map of our planet, "Earth at Night", available at the NASA Visible Earth site made by Marc Imhoff (NASA GSFC), Christopher Elvidge Credits Dinoj Surendran, MSR

Eagle Nebula

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A tour by David a 5th grade student from Issaquah, Washington Credits David, 5th grade student from Issaquah, Washington