This video shows how fictional planets from books, TV, film, and video games compare in size, from the impossibly small to the unfathomably big. The post Comparing the Sizes of Fictional Planets ...

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 ...

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

An animation posted to Twitter has shocked social media users by showing the impressive size of Jupiter and just how rapidly the solar system's largest planet rotates. The animation posted by ...

In a new study, a team of astrophysicists, including two researchers at CU Boulder, have discovered a small and rocky world orbiting a star far from Earth—similar to our own planet, perhaps, but much ...

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

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.

That means any planets orbiting it are nearly as ancient; Earth is a baby in comparison, at just 4.5 billion years old.

Uranus' new moon, S/2025 U1, was discovered in February 2025 and is approximately 6 miles in diameter, orbiting Uranus at a ...