Topics of this game:
- Is an astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.
- Is a group of stars that appears to form a pattern or picture like Orion the Great Hunter, Leo the Lion, or Taurus the Bull.
- Is an extremely luminous active galactic nucleus (AGN), in which a supermassive black hole with mass ranging from millions to billions of tim
- Is a region of spacetime where gravity is so strong that nothing—no particles or even electromagnetic radiation such as light—can escape
- A celestial body moving in an elliptical orbit round a star.
- Is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.
- Can refer to any substance which interacts predominantly via gravity with visible matter
- A small rocky body orbiting the sun. Large numbers of these, ranging enormously in size, are found between the orbits of Mars and Jupiter, though some
- Is a moon, planet or machine that orbits a planet or star. For example, Earth is a satellite because it orbits the sun
