April’s planetary parade has fewer planets. Only four will line up: Venus, Saturn, Mercury and Neptune. April's parade of ...

The relative size of the inner planets of our solar system: Mercury, Venus, Earth and Mars. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!

Watch this video to find out more about the Earth, planets in our Solar System and other planets far off in outer space. From up here on the International Space Station I get a great view of Earth.

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Most of us grew up learning that there are nine planets in our solar system. Back in ...

The solar system has many more moons than ... could settle a long-standing debate over how our planet formed. A stunning photo of a "parade of planets", shows Mars, Jupiter, Uranus, Saturn ...

These celestial gatherings offer breathtaking sights and remind us of the vast, interconnected workings of our solar ... depend on the relative positions of the Earth and the planets in their ...

we now have a good understanding of our Solar System. From the one with the ears, to the 11 year old girl that gave one of them their name, here are the stories behind each of the planets within it.

That "line," or arc, is called the ecliptic, and it defines the geometric plane of our solar system. It is roughly ... These two worlds will change their relative positions over only a few days.