Trivia Quiz on Astronomy Part 2
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 into Astronomy Part 2 with 50 fast-paced questions covering planets, moons, stars, eclipses, and cosmic phenomena. Perfect for space buffs and curious stargazers alike.
Ready your crew for a cosmic challenge! This group trivia dives into planets (from Mercury to Neptune), iconic moons (Ganymede, Tethys, Ariel), constellations (Taurus, Libra, Pyxis), sky events (solar eclipses, auroras, solstices and equinoxes), space measures (AU, magnitude), discoveries and discoverers (Kepler, early space telescopes), and standout landmarks like Olympus Mons and Ceres. Play it with teams in online meetings or live streams—great for Zoom, Microsoft Teams, Google Meet, YouTube Live, Twitch, Kick, classrooms, office socials, or community clubs. Expect mixed difficulty, quick multiple-choice rounds, and natural moments for friendly leaderboards and shout-outs. Tip: split into teams, set 20–30 seconds per question, and keep the energy high for a fun 20–40 minute session depending on pace.
1. Where does the American flag fly 24 / 7 never taken down
A) Moon
B) The White House flagpole
C) International Space Station
D) In a Smithsonian exhibit
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2. With which natural phenomena are Baily's Beads associated
A) Lunar eclipse
B) Solar flare
C) Solar eclipse
D) Aurora borealis
--
3. What is the proper name for a falling star
A) Meteoroid
B) Meteorite
C) Comet
D) Meteor
--
4. What is the closest planet to the sun
A) Venus
B) Earth
C) Mars
D) Mercury
--
5. Triple star system, also called rigil kent, in the constellation Centaurus
A) Beta Centauri
B) Sirius
C) Alpha centauri
D) Proxima Centauri
--
6. What is the name of Jupiter's largest moon
A) Io
B) Ganymede
C) Europa
D) Callisto
--
7. Tethys is a moon of which planet in the solar system?
A) Jupiter
B) Uranus
C) Saturn
D) Neptune
--
8. The star Aldebran is part of which constellation?
A) Orion
B) Taurus
C) Gemini
D) Cygnus
--
9. What type of celestial body is andromeda
A) Nebula
B) Galaxy
C) Star cluster
D) Comet
--
10. Only One Planet In Our Solar System Spins Clockwise, Which One?
A) Mercury
B) Earth
C) Uranus
D) Venus
--
11. What is the name of the telescope that was placed in orbit in the eighties?
A) Kepler
B) Spitzer
C) Hubble
D) James Webb Space Telescope
--
12. Who was the first person to prove that planets move in elliptical orbits
A) Copernicus
B) Tycho Brahe
C) Kepler
D) Isaac Newton
--
13. The Mariners Compass or Pyxis is what
A) A star
B) A galaxy
C) A planet
D) Constellation
--
14. What word beginning with M is the unit measurement for the brightness of stars
A) Lux
B) Lumen
C) Magnitude
D) Luminosity
--
15. The use of astronomical phenomena to predict earthly & human events is called
A) Astronomy
B) Numerology
C) Palmistry
D) Astrology
--
16. William Herschel astronomer was a musician what instrument
A) Violin
B) Piano
C) Organ
D) Flute
--
17. From the Earth to the sun is one AU what does AU stand for
A) Astronomical Unit
B) Atomic Unit
C) Angstrom Unit
D) Astronautical Unit
--
18. Which planet was discovered in 1846
A) Uranus
B) Neptune
C) Ceres
D) Pluto
--
19. What distant planet circles the sun every 84 years
A) Neptune
B) Pluto
C) Uranus
D) Saturn
--
20. Ariel is a satellite of which planet in the solar system
A) Saturn
B) Uranus
C) Neptune
D) Jupiter
--
21. What constellation is represented by scales
A) Scorpius
B) Orion
C) Virgo
D) Libra
--
22. The Horned Planet is better known as what
A) Mercury
B) Mars
C) Venus
D) Saturn
--
23. In which constellation are the Seven Sisters
A) Orion
B) Taurus
C) Lyra
D) Cassiopeia
--
24. Which is the most abundant element in the universe
A) Oxygen
B) Helium
C) Carbon
D) Hydrogen
--
25. Which planet has a year lasting approx. 88 earth days
A) Venus
B) Earth
C) Mercury
D) Mars
--
26. Pluto (the Planet) was almost called what name
A) Hades
B) Athena
C) Ares
D) Zeus
--
27. Pitney which is the largest planet in our solar system
A) Saturn
B) Jupiter
C) Earth
D) Neptune
--
28. In which month is the Earth nearest the Sun ?
A) March
B) July
C) January
D) December
--
29. What name is given to a year with 366 days
A) Lunar year
B) Solar year
C) Common year
D) Leap
--
30. From 1979 to 2000, which will be the most distant planet earth
A) Mercury
B) Neptune
C) Uranus
D) Pluto
--
31. The vernal equinox is the beginning of ________
A) Autumn
B) Summer
C) Spring
D) Winter
--
32. What is a moon in its first quarter
A) Waxing gibbous moon
B) Full moon
C) Waning crescent
D) Two-bit moon
--
33. What is the largest volcano in the solar system
A) Mauna Loa
B) Kilimanjaro
C) Olympus mons
D) Mount Etna
--
34. What is the largest volcano in our solar system & what planet is it on
A) Mauna Loa on Earth
B) Olympus Mons on Mars
C) Kilimanjaro on Mars
D) Olympus Mons on Venus
--
35. Which is the fourth planet from the Sun
A) Mars
B) Venus
C) Earth
D) Jupiter
--
36. What is the name of the largest moon of Jupiter
A) Ganymede
B) Callisto
C) Io
D) Europa
--
37. Book or table containing a calendar, together with astronomical and navigational data and, often, religious holidays, historical notes, proverbs, and astrological and agricultural forecasts
A) Ephemeris
B) Almanac
C) Calendar
D) Nautical Almanac
--
38. What is the shadow-casting pointer on a sundial called
A) Hour hand
B) Style
C) Pointer
D) Gnomon
--
39. How many constellations are used in modern astronomy?
A) 88
B) 87
C) 89
D) 102
--
40. When is the longest day in the northern hemisphere
A) July
B) June
C) May
D) August
--
41. What is the day called when the earth is closest to the sun
A) Perigee
B) Perihelion
C) Aphelion
D) Solstice
--
42. What is the alternative name for the Galaxy
A) Andromeda
B) The Local Group
C) Starry Way
D) Milky way
--
43. Spacephobia is a fear of ______
A) Outer space
B) The ocean
C) Heights
D) Spiders
--
44. What is the point in the moon's orbit which is farthest from the earth
A) Perigee
B) Apoapsis
C) Apogee
D) Zenith
--
45. What is the only planet that is less dense than water
A) Earth
B) Jupiter
C) Neptune
D) Saturn
--
46. Which is the largest of the Asteroids
A) Ceres
B) Vesta
C) Pallas
D) Hygiea
--
47. How was the universe said to have been created
A) Big bang
B) Steady State theory
C) Cosmic inflation
D) A divine act by a creator
--
48. What does a heliologist study?
A) The sun
B) The Moon
C) The Stars
D) The Planets
--
49. What is the common name for the Aurora Borealis
A) Polar lights
B) Northern lights
C) Aurora Australis
D) Stellar glow
--
50. Which planet did John Couch Adams and Urbain Leverrier work out the existence and position of before it could actually be seen
A) Uranus
B) Neptune
C) Pluto
D) Venus
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