A few decades ago, the Solar System had nine planets, but in 2006 the International Astronomical Union reclassified Pluto as ...

There are eight official planets (sorry, Pluto) in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and ...

The closest are the four rocky planets, the remaining gas planets inhabit deeper space. The solar system is also home ... Don't forget to label it and add any facts that you know!

MARS, Jupiter, Uranus, Neptune, Saturn and Venus are set to align in the sky next week in a six-strong ‘planetary parade’. All the planets in our solar system, except Mercury and ...

The solar system is approximately 4.6 billion years old. Astronomers believe that roughly 100 million years into its existence, the planets first began to form in a rotating, flat cloud of gas ...

We went to the public library in Sham Shui Po during our school’s reading week. Hong Kong’s public libraries give us many ...

But the formation process of multi-planet systems, like our own Solar System, is still poorly understood. The best example object to study multi-planet system formation is a young star known as ...

Learn key facts about the Moon: from its significant distance and relative size compared to Earth to its distinctive color ...

A planet parade is when several of our solar system's planets are visible in the night sky at the same time. There will be six planets visible this time around, including Venus, Mars ...

Now a new theory suggests a two- to 50-Jupiter-mass object passing through the solar system could be the cause. The evolution of the orbits of the planets is a complex process. Initially ...

The Sun, the planets, and all else that constitutes the solar system are hurtling toward the star Lambda Herculis, some 370 ...