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2 votes

Names of the galactic backdrop

The central part of the milky way has a dark band, the result of dust blocking out light from more distant stars. This is sometimes called the "Great rift" or "dark rift".
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How many planets can be seen by the naked eye?

The faintest we can see is magnitude +6.5 Here are the apparent magnitudes of planets at their brightest, I've boldened the ones that fall within visible range: −4.92 planet Venus −2.94 planet Jupiter ...
5 votes

How many planets can be seen by the naked eye?

In addition to Venus and Mars, one can easily see Mercury, Jupiter, and Saturn with the naked eye. Mercury, Venus, Mars, Jupiter, and Saturn were known to the ancients. That's why they're called "...
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