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Space Tour Trivia Quiz

My quiz is based on space. I hope you all like this.

A multiple-choice quiz by ABHILASHA40. Estimated time: 4 mins.

Author
ABHILASHA40

Time
4 mins

Type
Multiple Choice

Quiz #
366,845

Updated
Dec 03 21

# Qns
10

Difficulty
Tough

Avg Score
5 / 10

Plays
542

One at a Time - Single Page - Timed Game

Question 1 of 10

1. What is the apparent magnitude of the star closest to Earth? Hint

-25.6

-26.8

+26.8

+25.3

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Question 2 of 10

2. What is the axial tilt, at its equator, of Earth's only natural satellite? Hint

6.7 degrees

10.2 degrees

23.5 degrees

5.1 degrees

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Question 3 of 10

3. Which type of stars are the smallest? Hint

White Dwarf

Neutron star

Main sequence star

Black Dwarf

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Question 4 of 10

4. Which of the following is an example of a blue-white supergiant star? Hint

Polaris

Betelgeuse

Deneb

Vega

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Question 5 of 10

5. What is the distance of Neptune from the sun in astronomical units? Hint

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Question 6 of 10

6. Which type of galaxy accounts for most of the galaxies in the universe? Hint

Spiral galaxy

Elliptical galaxy

Barred-spiral galaxy

Irregular galaxy

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Question 7 of 10

7. Which physical unit is represented by a parsec? Hint

Speed

Distance

Velocity

Work

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Question 8 of 10

8. Who proposed the heliocentric theory? Hint

Galileo

Robert Goddard

Tycho Brahe

Copernicus

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Question 9 of 10

9. When it was discovered in 2005, which became the largest dwarf planet in our solar system? Hint

Pluto

Ceres

Haumea

Eris

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Question 10 of 10

10. When was the first pulsar discovered? Hint

1960s

1880s

1920s

1840s

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Quiz Answer Key and Fun Facts

1. What is the apparent magnitude of the star closest to Earth?

Answer: -26.8

Apparent magnitude is the measure of the luminosity of a celestial object when seen from Earth. The sun is the closest star to Earth and has an apparent magnitude of -26.8.

2. What is the axial tilt, at its equator, of Earth's only natural satellite?

Answer: 6.7 degrees

The moon is the only natural satellite of the Earth. It has an axial tilt of 6.7 degrees at the equator. It is also the second brightest object in the sky after the sun.

3. Which type of stars are the smallest?

Answer: Neutron star

Neutron stars are the smallest type of stars in our universe. They have diameters of about 20 km to 30 km, but these stars are very, very dense. Only one teaspoonful of a neutron star can weigh up to billions of tons.

4. Which of the following is an example of a blue-white supergiant star?

Answer: Deneb

Deneb is an example of a blue-white supergiant star. It is at a distance of about 1428 light years from Earth. It is nearly one million times bigger than Sun and billions times brighter than our Sun.

5. What is the distance of Neptune from the sun in astronomical units?

Answer: 30

An astronomical unit is the distance of Earth from the sun, which is 150 million km, making it one astronomical unit. The farthest planet from the sun is Neptune and its distance from the sun is 4500 million km, which is 30 astronomical units.

6. Which type of galaxy accounts for most of the galaxies in the universe?

Answer: Elliptical galaxy

Elliptical galaxies account for nearly 80% of the galaxies in the universe. The rest of the galaxies are spiral and irregular galaxies.

7. Which physical unit is represented by a parsec?

Answer: Distance

The parsec is a unit of distance. It is used to measure the distances of very distant celestial bodies. 1 parsec = 3.26 light years. It was introduced for measuring bodies which are very far away from Earth.

8. Who proposed the heliocentric theory?

Answer: Copernicus

Copernicus proposed the heliocentric theory in the sixteenth century. According to this theory, "Every celestial body in the Universe, including Earth, revolves around the sun in a fixed orbit".

9. When it was discovered in 2005, which became the largest dwarf planet in our solar system?

Answer: Eris

Eris is the largest dwarf planet in our solar system. It is located in the Kuiper belt. The Kuiper belt is an area zone beyond Neptune where different celestial objects are located. Eris is also the ninth most massive object in the solar system.

10. When was the first pulsar discovered?

Answer: 1960s

A pulsar is a high speed rotating neutron star. It was discovered by Jocelyn Bell in 1967. A pulsar can only be detected when its magnetic line lies towards the Earth. These types of stars have a very high red shift. Red shift happens when an electromagnetic radiation is shifted towards the red end of the spectrum of light.

Source: Author ABHILASHA40

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