does it have a satellite of its own?
Yes, Moon is a relatively large, terrestrial, planet-like natural satellite
Earth
The Moon is a relatively large, terrestrial, planet-like natural satellite
where does the sun lie within the milky way galaxy The Sun is near the inner rim of the Orion Arm, within the Local Fluff of the Local Bubble, and in the Gould Belt what is this way exactly? The Milky Way is the galaxy that contains our Solar System, with the name describing the galaxy's appearance from Earth: a hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye is it visible from our planet? Yes, it is visible from Earth as a hazy band of white light, some 30° wide, arching across the night sky when did life begin on our planet? Four billion years ago
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Earth [SEP] Moon
The Moon is a relatively large, terrestrial, planet-like natural satellite, with a diameter about one-quarter of Earth's. It is the largest moon in the Solar System relative to the size of its planet, although Charon is larger relative to the dwarf planet Pluto. The natural satellites of other planets are also referred to as "moons", after Earth's. The most widely accepted theory of the Moon's origin, the giant-impact hypothesis, states that it formed from the collision of a Mars-size protoplanet called Theia with the early Earth. This hypothesis explains (among other things) the Moon's relative lack of iron and volatile elements and the fact that its composition is nearly identical to that of Earth's crust.