Astronomers have recently detected a rogue planet entering our solar system, marking a rare event that has sparked ...

Starfield's planets appear to be massive as one fan compares them to the size of the full world in The Elder Scrolls 5: Skyrim.

The Solar System does not have a clear border. The influence of the Sun in certain domains is small enough for the Voyager ...

Spanish YouTuber MetaBallStudios has put out a size comparison of Earth's islands and it offers a unique perspective of our planet.

Saturn has 83 known moons, the most of any planet in our Solar System. This size comparison video from MetaBallStudios lines them all up, with London as the background. The same YouTuber recently ...

How does an atom look like compared to a planet? How big is the Milky Way compared to other galaxies? In this simple application you have the opportunity to see and compare the real sizes of ...

NASA’s Kepler mission has discovered the first Earth-size planets orbiting a sun-like star outside our solar system. The planets, called Kepler-20e and Kepler-20f, are too close to their star to ...

Bigger than a planet? Smaller than an atom? Size comparison videos are all the rage and may scratch a very old itch.

Prior to flybys, scientists used mathematical laws and observation to determine the characteristics of the planets.