Do you know what a planet is? Guess what... astronomers are not quite sure what a planet is! ...Read more
Mercury, the planet nearest the Sun, is the second smallest planet in the solar system. Only ...Read more
Fair but inhospitable Venus, a "Sister" planet to the Earth that is very different from our ...Read more
Earth, our home planet, is a beautiful blue and white ball when seen from space. ...Read more
Mars, Earth's outer neighbor, is the fourth planet from the Sun. Mars' bright appearance and ...Read more
Jupiter is the largest planet in the solar system. When approached from afar, its fantastic ...Read more
Saturn, the sixth planet from the Sun, has the most spectacular set of rings in the solar system. ...Read more
Uranus, the seventh planet from the Sun, has its spin axis almost in the plane of its orbit ...Read more
Neptune, the eighth and furthest planet from the Sun, is a very cold place. Its bluish color ...Read more
In 2006 the International Astronomical Union (IAU) approved a new classification scheme for ...Read more
Did you know?
Did you know that the Phoenix Mars Lander
landed on Mars
on 25 May, 2008?
Did you know that Uranus is tilted so that its rotational axis is almost in the plane of the ecliptic?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
xPlate tectonics : The theory supported by a wide range of evidence that considers the Earth's crust and upper mantle to be composed of several large, thin, relatively rigid plates that move relative to one another.
Click on the word to find out!
Near the Earth’s equator is where you could find some of the warmest places on Earth. But it wasn’t always like that. It used to be cold at the equator, so cold that ice formed on land and in the ocean....Read more