January 25, 2019

Why do planets have rings?

Astronomers believe these rings formed from bits of asteroids and comets that were captured by the powerful gravity of these ‘’gas giants.’’ Saturn’s rings are the […]
January 25, 2019

Do all the planets in the solar system spin?

Yes, but different rates and, in some cases, directions. Venus spins so slowly that its year (roughly 225 Earth days) is shorter than its day (the […]
January 30, 2019

What about marine mammals and seabirds that don’t have gills?

Dolphins, seals, whales, sea lions, manatees – these aquatic creatures live in world of water, but their drinking habits are more in line with those of […]
January 30, 2019

Why is there an island of garbage in the Pacific Ocean?

Soda bottles tumble into the surf. Garbage cans fall off ships. Grocery bags blow out to sea. About 260 million tons (235.9 mt) of plastic are […]