He did this when he was studying his Astronomy in his lifetime.
Galileo first proposed his theory that the Earth spins and orbits the Sun in the early 17th century, around the early 1600s. This theory was a key component of his broader support for the heliocentric model of the solar system.
The Earth neither spins round the Sun nor the Moon. The Earth rotates(spins) on it own axis, top give us night and day. The Moon revolves (orbits) round the Earth once a month (Moonth). The Earth and Moon, as a binary system revolve (orbit) round the Sun once a year. The Moon making 13 orbits of the Earth in once a year.
The Moon orbits the Earth. The Earth orbits around The Sun. The Earth revolves (spins) around it's own axis.
The moon spins at the same speed that it orbits the earth so we always see the same side. Some believe it is because the earths gravity is always pulling on the heaviest part of the moon, the side we see, but that's just a theory.
Because of Earth's shape and the fact that it spins with a tilted axis as it orbits the Sun.
The moon spins on its axis as it orbits the Earth because of the gravitational forces between the two bodies. The Earth spins on its axis because of its initial rotation and the conservation of angular momentum.
The moon spins around the earth once a month. The earth spins around the sun once a year and the earth spins on it axis once a day giving rise to night and day. So in answer to your question the earth spins around the sun and the moon spins around the earth.
The Earth neither spins round the Sun nor the Moon. The Earth rotates(spins) on it own axis, top give us night and day. The Moon revolves (orbits) round the Earth once a month (Moonth). The Earth and Moon, as a binary system revolve (orbit) round the Sun once a year. The Moon making 13 orbits of the Earth in once a year.
Galileo Galilei
The Earth orbits the sun. While it orbits, the Earth spins on its axis. When the Earth spins, some part is always facing the sun, but some is not. This constant spinning creates day and night.
The Moon orbits the Earth. The Earth orbits around The Sun. The Earth revolves (spins) around it's own axis.
Cause earth orbits the sun and spins on an axis
The Earth spins like a top around its own axis. The Earth orbits the Sun. The Sun has its own proper motion through the Milky Way galaxy, and orbits the center of the galaxy every 220 million years or so. The Milky Way galaxy itself is moving, but because we don't have any fixed point of reference in the universe, we don't know in what direction.
The same side of the moon always faces the Earth
The Earth spins on its axis in the counter clockwise direction, when viewed from above the North Pole.
In addition to rotating on its axis (spinning), our earth also revolves around the sun (orbits).
Galileo. It's more complicated than that. Several people were involved. The main ones were Copernicus, Kepler, Galileo, and Newton.
The moon orbits the earth. When you can not see it, it is on the other side of the earth. That happens once a day as the earth spins on its axis.