These 10 space facts are truly out of this world. We will present you with 10 statements in this true or false space quiz. This will test your knowledge about the solar system, space missions, and planetary trivia.
The universe is approximately 13.8 billion years old. This age of space is based on measurements of the cosmic microwave background and the rate of expansion of the universe, which indicates that the Big Bang occurred roughly 13.7 to 13.8 billion years ago.
Do you know how many planets are there in the universe? Estimates suggest that there are roughly 10 septillion planets in the observable universe. As of early 2026, astronomers have also confirmed over 5,000 to 6,000 planets orbiting other stars within our galaxy.
More curious to test your knowledge about space? Then check this fun true-or-false quiz below. These 10 surprising facts (some true and some false) will check if you really know the space!
True or False: Only 5 People Have Walked on the Moon?
1. Only 5 people have walked on the Moon. True or False?
False. A total of 12 American astronauts have walked on the Moon.
2. There are more stars in the universe than grains of sand on all the beaches on Earth. True or False?
True. There are at aleast billion trillion stars!
3. Light from the Sun reaches Earth in under five minutes. True or False?
False. Light from the Sun takes 8 minutes 20 seconds to reach Earth.
4. The largest volcano in the Solar System is on Earth. True or False?
False. The largest volcano is Olympus Mons, located on Mars.
5. More than one million Earths could fit inside the Sun. True or False?
True. Approximately 1.3 million Earths could fit in the Sun if they are packed in.
6. A day on Mercury lasts longer than its year. True or False?
True. A day on Mercury last about 176 Earth days, while it takes only 88 Earth days to complete one orbit. Due to its slow rotation, a single day on Mercury is twice as long as its year.
7. The sunset on Mars appears blue. True or False?
True. Sunsets on Mars appears blue due to fine dust in the thin atmosphere scattering blue light toward the Sun.
8. The core temperature of the Sun is 50 million degrees celsius. True or False?
False. The core temperature of the Sun is approximately 15 million degrees celsius.
9. Space starts about 500 km above Earth. True or False?
False. Space is generally considered to start at an altitude of 100 kms above Earth, known as the Kármán line.
10. Black holes are so strong that not even light can escape their pull. True or False?
True. Black holes have an escape velocity faster than the speed of light.
How many did you get right? Follow Jagran Josh for more such interesting trivia quiz!
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