planet articles - Page: 2

Why is it highly unlikely that any of the stars in a globular cluster would have planets?

The very idea of a star system existing within a dense globular cluster often feels counterintuitive, given our familiar...

What planets have we crashed satellites into?

The act of sending an artificial object toward another world often culminates in a planned or unplanned collision, a fin...

How many planets have we landed rovers on?

The count for planetary surfaces visited by robotic wheeled vehicles designed to roam is surprisingly small. To date, hu...

What planets have humans landed probes on?

The human endeavor to send robotic envoys beyond Earth has resulted in a surprisingly small number of confirmed *landing...