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What astronomer invented the telescope and proved the heliocentric theory?

The popular answer to this question would be Galileo. However, contrary to popular belief Galileo did not invent the telescope. He built his own telescope about a year after their initial creation and later made significant improvements.


Astronomer who first viewed the moons of Jupiter?

Galileo Galilei was the astronomer who first viewed the moons of Jupiter. He observed them in 1610 using a telescope he had made himself. His discovery provided evidence supporting the heliocentric model proposed by Copernicus.


How do we know how the earth is moving and not the sun?

Scientists have observed the movement of stars in the sky to determine that the Earth is moving around the Sun, rather than the other way around. This is known as the heliocentric model, proposed by astronomer Nicolaus Copernicus in the 16th century.


The heliocentric system gained support when galieo observed that?

the phases of Venus could only be explained by it orbiting the Sun, not Earth as in the geocentric model. This observation provided evidence that supported the heliocentric system proposed by Copernicus.


What did galilieo discover about space?

Galileo observed using a telescope that the moon had mountains and craters, Jupiter had moons orbiting it, Venus exhibits phases like our moon, and Saturn had "ears" or rings. These observations supported the heliocentric model proposed by Copernicus.


Do The observed phases of Venus supported the heliocentric system?

The phases of Venus are well supported by the heliocentric system, but they are also supported very well by the previous geocentric system. All you need for Venus to have phases is that Venus should pass between Earth and Sun. That happens in both the heliocentric system and the geocentric system.


What did Galileo observe to Mae him conclude that your solar system was heliocentric?

Galileo saw the four moons of Jupiter orbiting Jupiter, so he knew that the planets didn't orbit around the Earth.


What did Galileo see when he observed Venus through his telescope?

Galileo observed phases of Venus, which were only possible if Venus orbited the Sun and not Earth, supporting the heliocentric model of the solar system proposed by Copernicus. This observation was a key piece of evidence in favor of the heliocentric theory.


What evidence supported the heliocentric theory?

The heliocentric theory, proposed by Nicolaus Copernicus, was supported by several key pieces of evidence. Observations by astronomers like Galileo Galilei showed that moons orbit Jupiter, demonstrating that not everything revolves around the Earth. Additionally, the phases of Venus observed by Galileo were inconsistent with the geocentric model, as they showed that Venus orbits the Sun. Furthermore, the apparent retrograde motion of planets was more easily explained by the heliocentric model, where Earth and other planets orbit the Sun at different distances and speeds.


How did Kepler and Galileo improve upon Copernicus theory?

Kepler improved upon Copernicus's heliocentric model by introducing elliptical orbits, demonstrating that planets do not move in perfect circles but rather in ellipses, which better explained their observed motions. Galileo complemented this by providing observational evidence through his telescope, such as the phases of Venus and the moons of Jupiter, which supported the Copernican view and challenged the geocentric model. Together, their contributions helped solidify the heliocentric theory and laid the groundwork for modern astronomy.


Why did Galileo progress from the geocentric model to the heliocentric model?

Galileo progressed from the geocentric model to the heliocentric model due to his observations through the telescope, which revealed phenomena inconsistent with the Earth-centered view. He discovered the moons of Jupiter, demonstrating that not all celestial bodies orbit the Earth, and observed the phases of Venus, which supported the heliocentric theory proposed by Copernicus. These findings, along with his commitment to empirical evidence and scientific inquiry, led him to advocate for the heliocentric model as a more accurate representation of the solar system.


Do the observed phases of Venus support the heliocentric system?

The phases of Venus are well supported by the heliocentric system, but they are also supported very well by the previous geocentric system. All you need for Venus to have phases is that Venus should pass between Earth and Sun. That happens in both the heliocentric system and the geocentric system.