83042 Easy Trivia Questions
83042 public questions at this depth. How many can you answer?
What is the diameter of JWST's primary mirror?
Answer
6.5 meters
Which spiral arm of the Milky Way is located between the Sun and the Galactic Center?
Answer
Sagittarius Arm
What is the closest star to the Sun?
Answer
Proxima Centauri
Which spiral arm of the Milky Way lies just outside the Orion Arm?
Answer
Perseus Arm
What is the name of the elongated central structure of the Milky Way?
Answer
Galactic bar
In which constellation does the center of the Milky Way lie?
Answer
Sagittarius
What is the approximate diameter of the Milky Way's disk in light-years?
Answer
100,000 light-years
How old is the Milky Way, in billions of years?
Answer
13.6 billion years
What is the name of the spiral arm that contains the Solar System?
Answer
Orion Arm
What type of galaxy is the Milky Way?
Answer
Spiral galaxy
What is the average distance from Earth to the Sun in millions of kilometers?
Answer
150 million km
What percentage of the Sun's mass is hydrogen?
Answer
73.46%
What is the second atmospheric layer of the Sun, located above the photosphere?
Answer
Chromosphere
What is the escape velocity from the Sun's surface in km/s?
Answer
617.7 km/s
Which European Space Agency mission, launched in 2020, is studying the Sun?
Answer
Solar Orbiter
What is the core temperature of the Sun, in millions of Kelvin?
Answer
15.7 million K
What is the final stage of the Sun's life?
Answer
white dwarf
What is the boundary where the solar wind meets the interstellar medium?
Answer
heliopause
Approximately how many Earths could fit inside the Sun by volume?
Answer
1.3 million
What term describes a solar eclipse where the Moon completely covers the Sun?
Answer
total solar eclipse
What is the strongest class of solar flare?
Answer
X-class
What is the constant stream of charged particles from the Sun called?
Answer
solar wind
What process powers the Sun?
Answer
nuclear fusion
What is the approximate diameter of the Sun?
Answer
1.39 million km
How many planets orbit the Sun in our solar system?
Answer
eight
What is the Sun's outermost atmospheric layer?
Answer
corona
What is the surface temperature of the Sun?
Answer
approximately 5,500 °C
What is the Sun primarily composed of?
Answer
hydrogen and helium
In what year did the Spirit rover land on Mars?
Answer
2004
Which Mars rover was the first to carry a laser instrument?
Answer
Curiosity
What was the name of the lander that deployed the Sojourner rover?
Answer
Pathfinder
What is the name of the landing site of the Curiosity rover?
Answer
Bradbury Landing
Which Mars rover discovered 'blueberries' (hematite spheres) on Mars?
Answer
Opportunity
Which Martian plain did NASA's Opportunity rover land on?
Answer
Meridiani Planum
Which Martian crater did NASA's Spirit rover explore?
Answer
Gusev Crater
Which rover's mission was planned for 90 days but lasted over 14 years?
Answer
Opportunity
Which rover's landing site is Jezero Crater?
Answer
Perseverance