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Astronomy DSST History questions and answers rated A+ 2025/2026
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Astronomy DSST History questions and answers rated A+ 2025/2026
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Astronomy DSST HistoryGeocentric - ANSthe version of the solar system that the Greeks believed in, wherein the
Earth turned into at its middle.All of the plantes inside the solar gadget revolved around the
Earth.
Heliocentric - ANSthe model of the solar system in which the Earth and different planets
revolve across the solar
Aristotle - ANSThe Greek astronomer who believed that the universe turned into finite and
dome fashioned.
Ptolemy, Cladius - ANSThe Greek astronomber who believed the planets moved in orbits
(little circles on larger circles). He based totally his study of astronomy on the perception that
Earth was at the center of the universe. For 1500 years, Ptolemy's Earth-focused idea
remained the famous theory for the structure of the universe.
Copernicus, Nicolaus - ANSCalled "the founder of cutting-edge astronomy".Proposed the
heliocentric version in 1543. Copernicus thought that the planets orbit the sun and that the
solar became the center of the universe. Copernicus notion the celebrities ought to be very
far away because they by no means shifted their relative positions. Copernicus create
solar-focused model of solar device designed to update Ptolemaic version, but it was no
extra accurate due to the fact he still used best circles.
Galilei, Galileo - ANSFirst man or woman to use a telescope to take a look at the heavens
and discovered proof that supported the heliocentric version. Galileo Galilei is often known
as the 'father of present day observational astronomy'. The Galilean telescope 1609 was the
primary telescope used to observe the heavens. Galileo claimed to have seen 4 moons
orbiting Jupiter, mountains on the Moon, levels like that of the moon on Venus in a way that
proved it must orbit the sun and now not Earth, and located proof to show that the Milky Way
was made from tiny stars.
Brahe, Tycho - ANSProvided observations used by Kepler to refine the model through
introducing elliptical orbits. His correct astronomical observations shaped the basis for
Johannes Kepler's legal guidelines of planetary movement. He showed in 1577 that comets
were now not a part of our surroundings and were tons further away than our Moon by using
use of the parallax effect. Brahe used mural quadrant to measure the positions of the planets
and stars.
Kepler, Johannes - ANSDiscovered the orbits of the planets are elliptical. Kepler discovered
that the planets move in elliptical orbits across the solar. He is considered a founder of
modern-day astronomy and formulated the three laws of planetary movement.
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