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A in Astronomy Trivia Quiz

Are you an accomplished astrogator or merely an amateur astrophile?

A multiple-choice quiz by Autolycus2. Estimated time: 4 mins.

Author
Autolycus2

Time
4 mins

Type
Multiple Choice

Quiz #
341,287

Updated
Dec 03 21

# Qns
10

Difficulty
Average

Avg Score
6 / 10

Plays
1209

Last 3 plays: Guest 96 (10/10), Guest 174 (10/10), Guest 141 (10/10).

One at a Time - Single Page - Timed Game

Question 1 of 10

1. A common problem with refracting telescopes is a fringe of false color around the image, caused by the inability of a large lens to refract all colors of the spectrum to a common focus. This is known as ______. Hint

astigmatism

aberration

achromism

annulation

NEXT>

Question 2 of 10

2. For a body in orbit around the Sun, the point in its orbit which is furthest from the Sun is called __________. Hint

aphelion

apex

apogee

antipodes

NEXT>

Question 3 of 10

3. The first constellation in the Zodiac is _______; it represents the Ram which gave the Golden Fleece. Hint

Aquarius

Andromeda

Aquila

Aries

NEXT>

Question 4 of 10

4. The brightest star in the constellation Taurus the Bull is the red giant Alpha Tauri, better known as ______. Hint

Antares

Aldebaran

Altair

Arcturus

NEXT>

Question 5 of 10

5. A solar eclipse isn't always total. If the Moon is far enough from the Earth, its umbra fails to completely obscure the Sun, so that a ring of sunlight appears around the Moon. This is a called an ______. Hint

annular eclipse

azimuth

aurora

antiapex

NEXT>

Question 6 of 10

6. The Arecibo telescope in Puerto Rico is the largest of its kind in the world. What kind of telescope is it? Hint

200 inch refractor

orbiting space telescope

300 inch Newtonian reflector

300 meter radiotelescope

NEXT>

Question 7 of 10

7. The brightness of a star as it is seen from Earth is measured on a logarithmic scale, and known as its _______. Hint

absolute magnitude

astrolight

absolute brightness

apparent magnitude

NEXT>

Question 8 of 10

8. Right next to Pegasus is this constellation named after a mythical princess who was rescued by Perseus. Within its boundaries is the nearest spiral galaxy to the Milky Way. Hint

Alcyone

Andromeda

Ara

Aquila

NEXT>

Question 9 of 10

9. Aristarchus of Samos in 280 BCE was one of the earliest philosophers to suggest which model of the solar system? Hint

galactocentric

geocentric

heliocentric

lunacentric

NEXT>

Question 10 of 10

10. A black hole is always surrounded by an ___________. Hint

accordion pleat

aurora

antimatter ring

accretion disk

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Nov 19 2024 : Guest 96: 10/10
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Quiz Answer Key and Fun Facts

Answer: aberration

This was one of the reasons Isaac Newton invented the reflecting telescope, which uses a mirror instead of lenses.

2. For a body in orbit around the Sun, the point in its orbit which is furthest from the Sun is called __________.

Answer: aphelion

The opposite, the point at which it is closest to the Sun, is called perhelion.

3. The first constellation in the Zodiac is _______; it represents the Ram which gave the Golden Fleece.

Answer: Aries

Aries is considered first because when the Greeks divided the apparent path of the sun into the twelve signs of the Zodiac, the vernal equinox (the beginning of spring) took place in Aries.

4. The brightest star in the constellation Taurus the Bull is the red giant Alpha Tauri, better known as ______.

Answer: Aldebaran

Aldebaran, the eye of the Bull, is a red giant, four times the diameter of the Sun.

Answer: annular eclipse

Annular, from the latin word for "ring".

6. The Arecibo telescope in Puerto Rico is the largest of its kind in the world. What kind of telescope is it?

Answer: 300 meter radiotelescope

Three hundred and five meters in diameter, the Arecibo radiotelescope is used to study pulsars, quasars and other radio objects, and has been used in the search for extraterrestrial intelligence.

7. The brightness of a star as it is seen from Earth is measured on a logarithmic scale, and known as its _______.

Answer: apparent magnitude

Apparent magnitude is a star's apparent brightness, as opposed to absolute magnitude, which is what its apparent magnitude would be if all stars were at a constant distance (10 parsecs).

8. Right next to Pegasus is this constellation named after a mythical princess who was rescued by Perseus. Within its boundaries is the nearest spiral galaxy to the Milky Way.

Answer: Andromeda

The Andromeda galaxy, designated M31 in the Messier catalogue, is two and a half million light-years away.

9. Aristarchus of Samos in 280 BCE was one of the earliest philosophers to suggest which model of the solar system?

Answer: heliocentric

Aristarchus demonstrated by geometry that the Sun must be larger than the Earth, so it must be the center of the solar system. Unfortunately an even more famous A, Aristotle, believed in the geocentric theory.

10. A black hole is always surrounded by an ___________.

Answer: accretion disk

The accretion disk is a mass of gasses and other material which spirals into the event horizon, emitting radiation as the particles disintegrate.

Source: Author Autolycus2

This quiz was reviewed by FunTrivia editor gtho4 before going online.
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