1. What is the name of our galaxy?
a) Andromeda
b) Milky Way
c) Orion
d) Sagittarius
2. What is the name of the first artificial satellite launched into space?
a) Hubble Space Telescope
b) Voyager 1
c) Sputnik 1
d) International Space Station (ISS)
3. What makes a planet a dwarf planet
a) It orbits a star
b) It is smaller than other planets
c) It has not cleared its orbit of other debris
d) It does not have a moon
4. What is the name of the force that keeps the planets in orbit around the Sun?
a) Magnetic Force
b) Gravitational Force
c) Centripetal Force
d) Electrostatic Force
5. Who was the first living creature in space?
a) Laika (dog)
b) Yuri Gagarin (human)
c) Albert II (monkey)
d) Ham (chimpanzee)
6. What is the name of the natural satellite of the Earth?
a) Moon
b) Titan
c) Europa
d) Ganymede
7. Who was the first man in space?
a) Yuri Gagarin
b) Neil Armstrong
c) Buzz Aldrin
d) John Glenn
8. What is the outermost layer of the Sun's atmosphere called?
a) Photosphere
b) Corona
c) Chromosphere
d) Core
9. Which space agency launched the Apollo program that landed humans on the Moon?
a) NASA (National Aeronautics and Space Administration)
b) ESA (European Space Agency)
c) ISRO (Indian Space Research Organisation)
d) CNSA (China National Space Administration)
10. Halley's Comet, known for its periodic appearance, orbits the Sun approximately every
a) 10 years
b) 50 years
c) 75 years
d) 100 years
11. The day on which the Sun's direct rays cross the celestial equator is called
a) Summer Solstice
b) Winter Solstice
c) Equinox
d) Vernal
12. What is the process by which energy is produced in the core of stars?
a) Fission
b) Fusion
c) Combustion
d) Vaporization
13. What is the name of the space shuttle destroyed in midair on 28 Jan 1986?
a) Discovery
b) Atlantis
c) Challenger
d) Columbia
14. What phenomenon occurs when a celestial object passes through the Earth's shadow?
a) Eclipse
b) Meteor Shower
c) Solar Flare
d) Comet
15. Which was the first space probe to leave the solar system?
a) Pioneer 10
b) Voyager 1
c) New Horizons
d) Juno