GENERAL KNOWLEDGE

GK

SOLAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ used scientific theory to help him understand that solar system was sun-centered; he proved the heliocentric model with elliptical orbits was true
A
Ptolemy
B
Copernicus
C
Galileo
D
Kelper
Explanation: 

Detailed explanation-1: -Galileo discovered evidence to support Copernicus ‘ heliocentric theory when he observed four moons in orbit around Jupiter. Beginning on January 7, 1610, he mapped nightly the position of the 4 “Medicean stars” (later renamed the Galilean moons).

Detailed explanation-2: -Galileo’s discoveries about the Moon, Jupiter’s moons, Venus, and sunspots supported the idea that the Sun-not the Earth-was the center of the Universe, as was commonly believed at the time. Galileo’s work laid the foundation for today’s modern space probes and telescopes.

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