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Astronomy Fact Challenge

Astronomy

Test your knowledge of key astronomical dates, names, and figures.

astronomy facts dates names numbers space

15 Questions Medium Ages 12+ Apr 15, 2026

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About this Study Set

This study set covers Astronomy through 15 practice questions. Test your knowledge of key astronomical dates, names, and figures. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 15 questions from the Astronomy Fact Challenge study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 Which mission was the first to land humans on the Moon?

A Apollo 8
B Gemini 4
C Apollo 11
D Skylab

2 What is the name of the largest moon of Saturn, known for its thick atmosphere?

A Europa
B Titan
C Ganymede
D Io

3 The Hubble Space Telescope was launched into orbit in what year?

A 1985
B 1990
C 1995
D 2000

4 What is the approximate distance, in kilometers, from the Earth to the Sun?

A 75 million
B 150 million
C 225 million
D 300 million

5 The Great Red Spot is a persistent storm on which planet?

A Mars
B Saturn
C Jupiter
D Neptune

6 Who was the first woman to travel to space, in 1963?

A Sally Ride
B Valentina Tereshkova
C Mae Jemison
D Judith Resnik

7 What is the name of the star at the center of our solar system?

A Alpha Centauri
B Sirius
C Proxima Centauri
D The Sun

8 The Kepler Space Telescope, launched in 2009, was primarily designed to discover what?

A Black holes
B Exoplanets
C Nebulae
D Asteroids

9 Which astronomical object is located at the center of the Milky Way galaxy?

A A pulsar
B A black hole (Sagittarius A*)
C A supergiant star
D A quasar

10 The first successful landing of a spacecraft on Mars was achieved by which Soviet mission in 1971?

A Venera 7
B Mariner 9
C Mars 3
D Viking 1

11 What is the average orbital period of the Earth around the Sun, in days?

A 355
B 365.25
C 370
D 380

12 The scientist who formulated the laws of planetary motion is:

A Nicolaus Copernicus
B Galileo Galilei
C Johannes Kepler
D Isaac Newton

13 What is the name of the closest star system to our Solar System?

A Sirius
B Alpha Centauri
C Barnard's Star
D Procyon

14 The Voyager 1 probe, launched in 1977, is currently the most distant human-made object. Approximately how far from Earth is it, in Astronomical Units (AU)?

A 50 AU
B 100 AU
C 150 AU
D 200 AU

15 Which planet in our solar system has the shortest orbital period around the Sun?

A Venus
B Earth
C Mars
D Mercury

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