More mass, more gravity. You may be thinking ... your finger is applying force in the way the original collisions of planets did during the formation of our solar system. If there was not a Sun in the ...

Let’s tackle gravity first ... there are many more distant worlds. Related: Solar system planets, order and formation: A guide The most distant gravitationally bound objects to the sun are ...

Gravity caused the nebula to collapse in ... their orbits and becoming the planets we know today. This model of solar system formation is known as the nebular hypothesis. The solar system is ...

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

The largest celestial bodies in our solar system that still exist—massive asteroids and minor planets—are thought to be the last vestiges of this era of planetary formation. This is the period ...

A new probe in development known as GIRO represents a low-cost step toward unlocking the secrets of exoplanets, all through ...

Gill (CC-BY) Soon after formation ... gravity forced some forming planets into the Sun, where they disintegrated. Along the way, Jupiter flung some smaller rocks out of the solar system altogether ...

An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse of icy bodies revolving around the sun.

Beyond the edge of Neptune, a distant realm of icy debris known as the Kuiper Belt stretches deep into space. This frozen ...