All the planets are far too close together. Let me demonstrate how they should be spaced out with a scale model of my own.' DALLASNow our sun is a fairly average-sized star, there's much bigger ...

Save guides, add subjects and pick up where you left off with your BBC account. The Sun is about 100 times wider than the Earth and the Earth could fit into the Sun over one million times.

Holmes, AKA "yeti dynamics" on YouTube, animated these 3D models. He is an amateur astronomer and is interested in cosmology. He wanted to show a sense of scale. This is what planets would look ...

The planets revolve around the Sun in real time and the distance between the planets is at scale. The model fills the entire ceiling of the room, making it one of the earliest predecessors of the ...

When we observe the night sky, the planets, stars and galaxies appear ... Determine an appropriate scale, depending on whether you want to show the edge of the universe, approximately 15 billion ...