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He did this when he was studying his Astronomy in his lifetime.

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11y ago
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1mo ago

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.

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Q: When did Galileo come up with his theory earth spins and also orbits the sun?
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Related questions

Does the earth spin around the moon or the sun?

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.


Does the earth spin around the sun or moon?

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.


Who first thought up the idea that the earth spins?

Galileo Galilei


How earth moves to cause day and night?

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.


Do the earth and moon revolve around the sun?

The Moon orbits the Earth. The Earth orbits around The Sun. The Earth revolves (spins) around it's own axis.


WHY does it seem like the stars are moving?

Cause earth orbits the sun and spins on an axis


What are other earth's movement aside from rotation and revolution?

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.


Which occurs when the moon spins on its axis at the same rate it orbits the earth?

The same side of the moon always faces the Earth


How does the earth spin as it orbits the sun?

The Earth spins on its axis in the counter clockwise direction, when viewed from above the North Pole.


The earth spins on its axis and what else?

In addition to rotating on its axis (spinning), our earth also revolves around the sun (orbits).


Who discover that the earth spins around the sun?

Galileo. It's more complicated than that. Several people were involved. The main ones were Copernicus, Kepler, Galileo, and Newton.


Where is the moon in its orbit when you cant see it?

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.