Astronomy Ultimate Quiz MCQ! Trivia

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Questions: 10 | Attempts: 2,575 | Updated: Mar 22, 2022

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Astronomy Ultimate Quiz MCQ! Trivia - Quiz

Astronomy is the scientific study of the planets, celestial objects, comets, and galaxies. According to NASA, it's just the research study about the stars, earth, and space-related to the evolution, physics, chemistry, and meteorology of the Universe. This quiz has been created to test your knowledge and help you learn about astronomy. So, let's unravel the mystery of the Universe.

Questions and Answers

1.

How many types of particles does an atom contain?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
Correct Answer
C. 3

Explanation
An atom contains three types of particles: protons, neutrons, and electrons. Protons have a positive charge, neutrons have no charge, and electrons have a negative charge. Protons and neutrons are located in the nucleus of the atom, while electrons orbit around the nucleus in energy levels or shells. These three particles are essential for the structure and behavior of an atom.

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2.

A Lunar Eclipse occurs when:
- A.
  
  The Moon passes behind the Sun.
- B.
  
  The Moon passes behind the Earth.
- C.
  
  The Moon passes infront of the Earth.
- D.
  
  It is a full moon.
Correct Answer
B. The Moon passes behind the Earth.

Explanation
A Lunar Eclipse occurs when the Moon passes behind the Earth. During a lunar eclipse, the Earth comes between the Sun and the Moon, causing the Moon to be in the Earth's shadow. This alignment is only possible during a full moon when the Earth, Moon, and Sun are in a straight line. As a result, the Moon appears dark or reddish-brown during a lunar eclipse.

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3.

Ancient Greeks believed, the earth to be the center of the universe. What do we call this model?
- A.
  
  Geocentric universe
- B.
  
  Heliocentric universe
- C.
  
  Copernican model
Correct Answer
A. Geocentric universe

Explanation
The correct answer is Geocentric universe. The ancient Greeks believed that the earth was the center of the universe, with all celestial bodies, including the sun and other planets, revolving around it. This model is known as the geocentric universe. It was later replaced by the heliocentric model, which states that the sun is at the center of the solar system. The Copernican model refers specifically to the heliocentric model proposed by Nicolaus Copernicus in the 16th century.

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4.

Ancient astronomers used 'epicycles' to explain:
- A.
  
  Planetary transits
- B.
  
  Moon's phases
- C.
  
  Retrograde motion
Correct Answer
C. Retrograde motion

Explanation
Ancient astronomers used 'epicycles' to explain retrograde motion. Retrograde motion refers to the apparent backward movement of a planet in its orbit as observed from Earth. The concept of epicycles involved adding small circles on a planet's orbit called epicycles, which would then explain the irregular motion of the planet during retrograde periods. This model was developed by ancient astronomers to account for the observed motion of planets in the sky and was widely accepted until the heliocentric model proposed by Copernicus.

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5.

In the model proposed by Nicolaus Copernicus', which object was at the center of the universe?
- A.
  
  Sun
- B.
  
  Earth
- C.
  
  Milky way galaxy
Correct Answer
A. Sun

Explanation
Nicolaus Copernicus proposed a heliocentric model of the universe, which means that he believed the Sun was at the center of the universe. This was a significant departure from the previously accepted geocentric model, which placed the Earth at the center. Copernicus' model revolutionized our understanding of the solar system and laid the foundation for modern astronomy.

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6.

Which of these evidence-supported a Copernican model of the solar system?
- A.
  
  Solar eclipses
- B.
  
  Phases of venus
- C.
  
  Retrograde motion
Correct Answer
B. pHases of venus

Explanation
The phases of Venus support the Copernican model of the solar system because they can only occur if Venus orbits the sun. As Venus orbits between the Earth and the Sun, it goes through phases similar to the Moon. This observation is consistent with the idea that Venus revolves around the Sun, rather than the Earth. Therefore, the phases of Venus provide evidence that supports the Copernican model.

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7.

Correct pairing of astronomer/mathematician and their contribution?
- A.
  
  Pythagoras – Earth's circumference
- B.
  
  Johannas Kepler – Craters of moon
- C.
  
  Nicolaus Copernicus – Heliocentric universe
Correct Answer
C. Nicolaus Copernicus – Heliocentric universe

Explanation
Nicolaus Copernicus is correctly paired with the contribution of proposing the heliocentric universe. Copernicus was a Polish astronomer and mathematician who challenged the prevailing geocentric model of the universe, which placed the Earth at the center. He proposed that the Sun, rather than the Earth, was at the center of the solar system, with the planets including Earth orbiting around it. This revolutionary idea laid the foundation for modern astronomy and had a profound impact on our understanding of the universe.

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8.

Tycho Brahe's biggest contribution to astronomy was:
- A.
  
  His telescopic observations
- B.
  
  Accurate observations of stars and planets
- C.
  
  Heliocentric universe
Correct Answer
B. Accurate observations of stars and planets

Explanation
Tycho Brahe's biggest contribution to astronomy was his accurate observations of stars and planets. He meticulously recorded the positions and movements of celestial bodies, which provided crucial data for future astronomers, including his assistant Johannes Kepler. Brahe's observations were more precise and detailed than any made before him, allowing for the development of more accurate models of the solar system. His work laid the foundation for Kepler's laws of planetary motion and ultimately contributed to the overthrow of the geocentric model of the universe.

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9.

Who first suggested that the earth rotated on its axis?
- A.
  
  Aristotle
- B.
  
  Aristarchus
- C.
  
  Tycho Brahe
Correct Answer
B. Aristarchus

Explanation
Aristarchus is credited with being the first to suggest that the Earth rotates on its axis. He proposed this idea around the 3rd century BCE, based on his observations of the motion of the stars and the sun. Aristarchus believed that the Earth revolves around the sun, and that the rotation of the Earth causes the apparent movement of celestial bodies across the sky. This idea was revolutionary at the time and laid the foundation for our modern understanding of the Earth's rotation.

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10.

The day on which the Sun’s direct rays cross the celestial equator is called:
- A.
  
  The ecliptic
- B.
  
  The equinox
- C.
  
  The solstice
- D.
  
  Easter
Correct Answer
B. The equinox

Explanation
The day on which the Sun's direct rays cross the celestial equator is called the equinox. During an equinox, the length of day and night is approximately equal all over the world. This occurs twice a year, in March and September. The equinox marks the change of seasons, with the March equinox signaling the start of spring in the northern hemisphere and autumn in the southern hemisphere, while the September equinox marks the beginning of autumn in the northern hemisphere and spring in the southern hemisphere.

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Current Version
Mar 22, 2022

Quiz Edited by
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Feb 24, 2008

Quiz Created by
Webvoyager

Astronomy Ultimate Quiz MCQ! Trivia

How many types of particles does an atom contain?

A Lunar Eclipse occurs when:

Ancient Greeks believed, the earth to be the center of the universe. What do we call this model?

Ancient astronomers used 'epicycles' to explain:

In the model proposed by Nicolaus Copernicus', which object was at the center of the universe?

Which of these evidence-supported a Copernican model of the solar system?

Correct pairing of astronomer/mathematician and their contribution?

Tycho Brahe's biggest contribution to astronomy was:

Who first suggested that the earth rotated on its axis?

The day on which the Sun’s direct rays cross the celestial equator is called: