The Egyptians may have been the first people to record the observations of the "wandering" stars (Mercury, Venus, Mars, Jupiter and Saturn) but earliest man would have seen the reflected light of the observable planets but would not have known what they were.
Egyptians are NOT bad! Egyptians are KNOWN for their honor and kindness! I have known MANY MANY MANY Egyptians and I never saw or heard anything bad from them, not at all! I love Egypt. :) I am originally Egyptian, :)
The earth is a planet, it has no known planets within.
MercuryVenusEarthMarsJupiterSaturnUranus
Currently there are 353 known extrasolar planets (that is to say, outside of our solar system), but it is unknown how many planets exist in the universe.
The number of planets is not known. The number of stars is not known either, nor if all have planetary systems. Certainly many billions of billions.
It is not generally known how many planets are in each galaxy; it isn't even known how many planets are in our own galaxy, and will probably never be known exactly, due to its enormous size. However, according to latest observations, it seems likely that every star has several planets, at least on average.
There are more than 300 known stars with known planets, and the list gets longer all the time.
There are 464 extrasolar planets, and 8 planets within our Solar System. This makes a total of 470 known planets.
The ancient Egyptians knew the existence of 5 other planets in the Solar System, which are Jupiter, Mars, Mercury, Saturn and Venus. They depicted the planets as deities sailing across the heavens.
It's easier to ask how many were known, and the answer is six.
There are more than 300 planets currently known to be outside our solar system.