January 25, 2019

Why doesn’t Mercury have an atmosphere?

This tiny planet – the smallest in the solar system – is only slightly larger than our moon (and its surface is the spitting image of […]
January 25, 2019

Why does Jupiter have a big red spot?

Jupiter’s rapid spin, its hurricane-force winds, and the chemical composition of its atmosphere create colorful cloud bands that encircle the planet. One of these bands contains […]
January 25, 2019

Why is Mars sky red?

Rusting iron minerals in the rocks and soil blow into the air – occasionally in planetwide dust storms – giving the atmosphere a rusty tint. The […]
January 25, 2019

Which planets in our solar system have rings?

Four the planets in the Solar System have rings. They are the four giant gas planets Jupiter, Saturn, Uranus, and Neptune. Saturn, which has by far […]