Trivia Quiz on Astronomy Part 4
Tuesday, October 28, 2025
A ready-made science and general-knowledge quiz that you can use in virtual and in-person events (Zoom, Teams, YouTube Live, Twitch, conferences, meetings, classrooms, etc.)
Blast off with Astronomy Part 4 — a fast-paced, 50-question journey through planets, constellations, and cosmic curiosities. Perfect for quick-fire team battles or a full-length space showdown for all knowledge levels.
Welcome to Astronomy Part 4, a group trivia designed to launch your team into a whirlwind tour of the cosmos. With 50 quick, accessible questions spanning planets, moons, constellations, celestial mechanics, and space history, this set keeps everyone engaged—from beginners to stargazing pros. It’s ideal for online meetings and live streams: run it on Zoom, Microsoft Teams, Google Meet, YouTube Live, Twitch, or Kick and split players into squads for timed rounds, head-to-head showdowns, or a classic pub-quiz format. Keep the pace lively with 20–60 second timers, add bonus lightning rounds, and use polls or chat for audience lifelines. Whether you’re warming up a workshop, energizing a class, or hosting a community game night, this quiz scales from a 15-minute sprint to a 45-minute feature and works brilliantly with scoreboards, team captains, and friendly banter.
1. Ripken What planet is farthest from the sun in the Milky Way
A) Mercury
B) Pluto
C) Neptune
D) Saturn
--
2. During which month is the shortest day in the Northern hemisphere?
A) December
B) January
C) November
D) October
--
3. Titan is a moon of which planet
A) Jupiter
B) Saturn
C) Uranus
D) Neptune
--
4. In astronomy, the apparent great-circle annual path of the sun in the celestial sphere, as seen from the earth
A) Celestial equator
B) Horizon
C) Ecliptic
D) Zodiac
--
5. In which constellation is the first magnitude, giant star Aldebaran
A) Orion
B) Leo
C) Taurus
D) Cygnus
--
6. What phase of moon precedes a full moon
A) New Moon
B) Last Quarter
C) Gibbous
D) Waning Crescent
--
7. What planet is considered the earth's twin in size & mass
A) Venus
B) Earth
C) Mars
D) Mercury
--
8. What constellation is represented by a goat
A) Capricorn
B) Aries
C) Taurus
D) Orion
--
9. What science deals with the origin and structure of the universe
A) Astronomy
B) Cosmology
C) Astrology
D) Geology
--
10. What three words mean the same as 5,880,000,000,000 miles
A) Five trillion miles
B) One billion miles
C) One light year
D) One parsec
--
11. Which is the only planet that rotates clockwise
A) Mercury
B) Earth
C) Mars
D) Venus
--
12. What is the common name for the star Sirius
A) Morning Star
B) Dog Star
C) Polaris
D) Betelgeuse
--
13. What word is given to the line which forms the boundary between the day and night hemispheres of the moon
A) Dawn line
B) Moon limb
C) Terminator
D) Sunset boundary
--
14. What is the fear of the moon known as
A) Lunophobia
B) Noctiphobia
C) Selenophobia
D) Astrophobia
--
15. The spiral galaxy nearest ours is the ________
A) Milky Way
B) Whirlpool Galaxy
C) Triangulum Galaxy
D) Andromeda
--
16. What is the sun's most abundant element
A) Helium
B) Oxygen
C) Carbon
D) Hydrogen
--
17. Spacephobia is the fear of
A) The dark
B) Flying in airplanes
C) Outer space
D) The ocean
--
18. Saturn is the only planet that is less dense than ______
A) Mercury
B) Earth
C) Water
D) Iron
--
19. What constellation is represented by a crab
A) Orion
B) Cygnus
C) Cancer
D) Scorpius
--
20. How long does it take for sunlight to reach earth
A) Three minutes
B) Ten minutes
C) Eight minutes
D) Fifteen minutes
--
21. What is the most common atom in the universe
A) Helium
B) Hydrogen
C) Oxygen
D) Carbon
--
22. Where Exactly Is The 89,000 Feet High Olympus Mons Volcano?
A) Mars
B) Earth
C) Venus
D) Io (moon of Jupiter)
--
23. Which planet is nearest the sun?
A) Venus
B) Earth
C) Mercury
D) Mars
--
24. When are you most likely to see a penumbra
A) During a rainbow
B) During an Eclipse
C) Only at night
D) During a solar flare
--
25. What is the largest constellation in the sky
A) Centaurus
B) Hydra
C) Ursa Major
D) Crux
--
26. Who invented the telescope
A) Galileo galilei
B) Johannes Kepler
C) Isaac Newton
D) Nicolaus Copernicus
--
27. What's unusual about the moons of Uranus
A) Named Shakespeare characters
B) Named Greek mythological figures
C) Always larger than 1000 km in diameter
D) Discovered by Galileo
--
28. How much longer is a day on mars than a day on earth
A) Five minutes
B) One hour
C) Thirty minutes
D) Forty minutes
--
29. During which month is the shortest day in the Southern hemisphere?
A) December
B) March
C) July
D) June
--
30. Whats the most abundant element in the sun
A) Helium
B) Oxygen
C) Hydrogen
D) Carbon
--
31. This term refers to any crown-shaped structure. It's also the name of a beer.
A) Corona
B) Coronet
C) Diadem
D) Tiara
--
32. Days of the week - whats the only day named for a planet
A) Saturday
B) Sunday
C) Monday
D) Tuesday
--
33. What is the name in a planet's orbit when it is nearest to the sun
A) Aphelion
B) Periapsis
C) Perihelion
D) Apoapsis
--
34. When is the shortest day in the southern hemisphere
A) June
B) December
C) March
D) September
--
35. The star Spica is in which constellation
A) Leo
B) Libra
C) Virgo
D) Sagittarius
--
36. What Are The Northern Lights Otherwise Known As
A) Aurora Australis
B) Aurora Borealis
C) Polar lights
D) Celestial curtains
--
37. To The Nearest 100 Million Years How Old Is The Earth
A) 4,400 Million Years
B) 4,540 Million Years
C) 4,500 Million Years
D) 4,600 Million Years
--
38. What Is A Sextant Used To Measure
A) The ship's speed through water
B) The time of day using celestial objects
C) The Angle Of The Sun Or Stars Above A Horizon
D) The depth of the ocean
--
39. What italian astronomer wrote the starry messenger
A) Nicolaus Copernicus
B) Tycho Brahe
C) Johannes Kepler
D) Galileo
--
40. Our galaxy is commonly known as the ________.
A) Milky Way
B) Andromeda Galaxy
C) Sombrero Galaxy
D) Whirlpool Galaxy
--
41. What is the meaning of the name of the constellation Sagitta ?
A) Bow
B) Arrow
C) Spear
D) Dagger
--
42. What is the meaning of the name of the constellation Draco ?
A) Dragon
B) Wyvern
C) Serpent
D) Hydra
--
43. From 1979 until 2000 the most distant planet from the earth was _______.
A) Uranus
B) Pluto
C) Neptune
D) Saturn
--
44. Excluding the sun, what star is closest to the earth?
A) Alpha Centauri A
B) Barnard's Star
C) Proxima Centauri (aka Alpha Centauri)
D) Sirius
--
45. The North Star is also known as _______.
A) Alpha Centauri
B) Polaris
C) Sirius
D) Betelgeuse
--
46. The Big Dipper is part of what constellation?
A) Ursa Minor
B) Cassiopeia
C) Ursa Major
D) Orion
--
47. What phenomenon is caused by the gravitational attraction of the moon
A) Moonquakes
B) Tides
C) Lunar eclipses
D) Solar eclipses
--
48. As what is the North Star also known?
A) Sirius
B) Betelgeuse
C) Polaris
D) Vega
--
49. What is the name for a group of stars
A) Galaxy
B) Nebula
C) Asterism
D) Constellation
--
50. What are these: Ceres, Juno, Iris, and Flora
A) Planets
B) Dwarf planets
C) Comets
D) Asteroid
--

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