This chart, from around 1660, shows the signs of the zodiac and a model of the solar system with Earth at the centre. For decades or even centuries after Kepler clearly demonstrated that not only is ...

What is Perihelion? In the vast expanse of space, celestial bodies follow elliptical orbits around stars, with one point being closer to the star—known as the perihelion. This is the term used to ...

Studying the orbits of thousands of exoplanets shows that large planets tend to have elliptical orbits, while smaller planets tend to have more circular orbits. This split coincides with several other ...

Astronomers have discovered a planet three times more massive than Jupiter in a star system located around 1,250 light-years away from our own. The distant world, known as Kepler-88 d, is the most ...

Our solar system has a king. The planet Jupiter, named for the most powerful god in the Greek pantheon, has bossed around the other planets through its gravitational influence. With twice the mass of ...

A team of astronomers has discovered a planet three times the mass of Jupiter in the Kepler-88 system. The team found that Kepler-88 d is the most massive known planet in this system - not Kepler-88 c ...

Maunakea, Hawaii - Our solar system has a king. The planet Jupiter, named for the most powerful god in the Greek pantheon, has bossed around the other planets through its gravitational influence. With ...