Bigger than a planet? Smaller than an atom? Size comparison videos are all the rage and may scratch a very old itch. By Jenny Marder Not long ago, my 7-year-old son looked up from a picture he was ...

All the Latest Game Footage and Images from Universe Size Comparison VR How does an atom look like compared to a planet? How big is the Milky Way compared to other galaxies? In this simple application ...