Explore astronomy and space questions with answers for kids, school children, college students and space enthusiasts —covering beginner to hardest levels. Compete and compare your performance with others space champions.
The Universe
Let us explore the mysteries of Universe, origin of universe, big bang theory, galaxies, the milky way galaxy, constellations, stars and the black holes. Also learn about astronomical units and the smallest and the biggest in astronomy.








The Solar System
Learn to know everything about our solar system, sun, the only star in our solar system, our own planet earth and other seven planets. Also learn about dwarf planets, moons of other planets in solar system, asteroids, meteorites, comets. solar eclipse , lunar eclipse and so on …




















Earth & Moon
Learn everything about our beautiful planet, The earth, the interiors of Earth, Season on Earth, Geography of the Earth and the Earth’s atmosphere. Also learn about the only Moon of the Earth, phases of the Moon and the Moon Mission.








Space Exploration
Humans have always been looking curiously towards heavenly bodies in the space and wondered about the nature of the such objects seen in the night sky. Let us take a journey to explore the space through various space missions using spacecrafts.
American Space Exploration Quiz
Russian Space Exploration Quiz


Indian Space Exploration








More on Space Explorations



Astronomy Picture Quiz
Can you identify the famous pictures of planets, constellations, astronomers and other heavenly bodies. Here are well composed, interesting questions to identify well known pictures



Planets Comparison

- Physical and Rotational Prameters of Planets:
- Average Radius of Planets
- Planet’s Radius in terms of Earth’s Radius
- Volume of Planets
- Planet’s Volume in terms of Earth’s Volume
- Density of Planets
- Planet’s Density in terms of Earth’s Density
- Gravity of Planets
- Planet’s Gravity in terms of Earth’s Gravity
- Mass of Planet
- Planet’s Mass in terms of Earth’s Mass
- Rotation Period of Planets
- Orbital Period of Planets
- Orbital Velocity of Planets
- Escape Velocity of Planets






