Test Your Stars Quiz

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| By Mriley100
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Mriley100
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Quizzes Created: 45 | Total Attempts: 31,392
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  • 1/15 Questions

    The star is visible when the X-rays are "on". If something is visible, you can

    • See it
    • Touch it
    • Taste it
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About This Quiz

Stars are seen as the building blocks of the galaxy as we know it. To the human eye, they appear tiny but are very large for example the sun is a star. How conversant are you with the stars? The quiz below is designed to help you answer that. Give it a try.

Test Your Stars Quiz - Quiz

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  • 2. 

    What galaxy do we live in?

    • Canis Major

    • Cygnus X-1

    • Milky Way

    Correct Answer
    A. Milky Way
    Explanation
    The Milky Way is the correct answer because it is the galaxy in which our solar system is located. It is a barred spiral galaxy that contains billions of stars, including our Sun. The name "Milky Way" comes from the hazy band of light that can be seen in the night sky, which is caused by the combined glow of countless stars and other celestial objects in our galaxy.

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  • 3. 

    Our sun is 

    • A planet

    • A star

    • The largest star

    Correct Answer
    A. A star
    Explanation
    The correct answer is "a star" because our sun is a massive ball of gas that produces light and heat through nuclear fusion. It is classified as a G-type main-sequence star, commonly known as a yellow dwarf. The sun is not a planet because it does not orbit around another celestial body, and it is not the largest star as there are other stars in the universe that are much bigger in size.

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  • 4. 

    What is a globular cluster?

    • Thousands of stars that have become sticky

    • Thousands or millions of stars close together

    • Millions of stars that have disappeared

    Correct Answer
    A. Thousands or millions of stars close together
    Explanation
    A globular cluster refers to a large group of thousands or millions of stars that are densely packed together. These stars are held together by their mutual gravitational attraction, forming a spherical or globular shape. Globular clusters are typically found in the outer regions of galaxies and are some of the oldest objects in the universe. They are distinct from open clusters, which are smaller and more loosely bound groups of stars.

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  • 5. 

    A nebula is

    • A cloud of gas and dust

    • A crowd of far distant stars

    • A hydrogen gas explosion

    Correct Answer
    A. A cloud of gas and dust
    Explanation
    A nebula is a cloud of gas and dust in space. It is formed from the remnants of dying stars or from the collapse of interstellar gas and dust. Nebulas can vary in size and shape, and they often serve as the birthplace of new stars. The gas and dust within a nebula can come together under the force of gravity, forming dense regions where stars are born. Therefore, the correct answer is "a cloud of gas and dust."

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  • 6. 

    Stars that are sometimes bright but sometimes dim are called variable stars. Variable means

    • Constant

    • Changeable

    • Confusing

    Correct Answer
    A. Changeable
    Explanation
    Variable stars are called so because their brightness changes over time. Unlike constant stars that maintain a consistent level of brightness, variable stars can go through periods of being bright and then become dim. This changeability in their brightness is what defines them as variable stars.

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  • 7. 

    Hercules is

    • A quasar

    • A galaxy

    • A constellation

    Correct Answer
    A. A constellation
    Explanation
    Hercules is a constellation. Constellations are groups of stars that form patterns or shapes in the sky as seen from Earth. Hercules is one of the 88 recognized constellations and is named after the mythical hero Hercules. It is located in the northern sky and can be seen during certain times of the year.

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  • 8. 

    The brightest star in our sky is

    • Betelgeuse

    • Rigel

    • Sirus

    Correct Answer
    A. Sirus
    Explanation
    Sirus is the correct answer because it is the brightest star in our sky. It is part of the constellation Canis Major and is easily visible from Earth. Sirus is also known as the "Dog Star" and has a high luminosity, making it appear very bright to observers.

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  • 9. 

    Over millions of years, gravity pulled the gas and dust particles together. Another word for particle is

    • A soft mound

    • A huge chunk

    • A small bit

    Correct Answer
    A. A small bit
    Explanation
    The correct answer is "a small bit" because particles refer to tiny pieces or fragments of matter. In the context of the question, gas and dust particles were pulled together by gravity over millions of years, indicating that these particles were small in size. Therefore, "a small bit" is a suitable synonym for particle in this scenario.

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  • 10. 

    What makes the sun an unusual star?

    • The sun is an unusual star because it does not have any nearby stars circling it as most stars do.

    • The sun is an unusual star because it is the largest star in the galaxies.

    • The sun is an unusual star because it was once a supernova.

    Correct Answer
    A. The sun is an unusual star because it does not have any nearby stars circling it as most stars do.
    Explanation
    The given answer correctly states that the sun is an unusual star because it does not have any nearby stars circling it as most stars do. This is true because the sun is a solitary star, meaning it does not have a companion star in a binary system like many other stars in the universe. Most stars are part of binary or multiple star systems, where two or more stars orbit around a common center of mass. However, the sun is a single star and does not have any other stars orbiting around it.

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  • 11. 

    How does the Andromeda galaxy compare with the Milky Way?

    • The Andromeda galaxy is a spiral galaxy with almost twice as many stars as there are in the Milky Way.

    • The Andromeda galaxy is a small galaxy with almost twice as many stars as there are in the Milky Way.

    • The Andromeda galaxy is a intergalatic galaxy with almost half as many stars as there are in the Milky Way.

    Correct Answer
    A. The Andromeda galaxy is a spiral galaxy with almost twice as many stars as there are in the Milky Way.
    Explanation
    The correct answer states that the Andromeda galaxy is a spiral galaxy with almost twice as many stars as there are in the Milky Way. This means that the Andromeda galaxy has a larger number of stars compared to the Milky Way, making it more massive. The fact that it is a spiral galaxy suggests that it has a distinct shape with a central bulge and spiral arms, similar to the Milky Way.

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  • 12. 

    What happens when a massive star cools and collapses?

    • When a massive star cools and collapses, it becomes a red giant

    • When a massive star cools and collapses, it becomes a black hole

    • When a massive star cools and collapses, it becomes a black dwarf star

    Correct Answer
    A. When a massive star cools and collapses, it becomes a black hole
    Explanation
    When a massive star cools and collapses, it becomes a black hole. This is because as the star runs out of fuel and is no longer able to sustain nuclear fusion, it can no longer counterbalance the inward pull of gravity. The star then collapses under its own weight, forming a region of spacetime with an extremely strong gravitational pull from which nothing, not even light, can escape. This is what we call a black hole.

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  • 13. 

    How do scientists hope to find out if there is life on other planets?

    • They hope to find out by using sonar telescopes to listen for signals of life there.

    • They hope to find out by using radio telescopes to listen for signals of life there.

    • They hope to find out by using radio telescopes to see quasars from other planets,

    Correct Answer
    A. They hope to find out by using radio telescopes to listen for signals of life there.
    Explanation
    Scientists hope to find out if there is life on other planets by using radio telescopes to listen for signals of life there. Sonar telescopes are used to detect underwater objects and are not suitable for detecting signals from other planets. Quasars are extremely distant and powerful sources of energy, and observing them does not provide direct evidence of life on other planets. Radio telescopes, on the other hand, can detect radio signals that may indicate the presence of intelligent life.

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  • 14. 

    What do planets and stars have in common?

    • Planets and stars form at different times

    • Planets are made from nebulas and starts are made from hydrogen

    • Planets and stars form at the same time and from the same gasses.

    Correct Answer
    A. Planets and stars form at the same time and from the same gasses.
    Explanation
    Planets and stars form at the same time and from the same gases. This means that both planets and stars are formed from the remnants of a nebula, which is a cloud of gas and dust in space. As the nebula collapses under its own gravity, it begins to spin and flatten into a disk shape. Within this disk, clumps of gas and dust come together to form protoplanets or protostars. Eventually, the protoplanets accrete more material and become planets, while the protostars continue to grow and eventually ignite nuclear fusion to become stars. Thus, both planets and stars share a common origin and are formed from similar gases.

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  • 15. 

    What happens when a supernova collapses suddenly?

    • A supernova has never collapsed.

    • When it suddenly collapses, it becomes a white dwarf star that gives off a beam of X-ray radiation.

    • When it suddenly collapses, it becomes a neutron star that spins and gives off a beam of X-ray radiation.

    Correct Answer
    A. When it suddenly collapses, it becomes a neutron star that spins and gives off a beam of X-ray radiation.
    Explanation
    When a supernova collapses suddenly, it becomes a neutron star that spins and emits a beam of X-ray radiation. This occurs because the collapse of the supernova causes the core to become extremely dense, with protons and electrons combining to form neutrons. The resulting neutron star is incredibly compact and has a strong gravitational pull, causing it to spin rapidly. As the neutron star spins, it emits beams of X-ray radiation from its magnetic poles, which can be detected from Earth.

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  • Current Version
  • Apr 10, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 14, 2012
    Quiz Created by
    Mriley100
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