Spacecraft Set to Reveal First Look at Dwarf Planets

NASA spacecraft will finally get a good look this year at Pluto and Ceres, two mysterious and tiny worlds.

A pair of small alien worlds, Ceres and Pluto, move into the spotlight this year as spacecraft arrive at their cosmic shores for the first time.

NASA's Dawn spacecraft released its first views of Ceres on Monday, already hinting at previously unknown craters. Still ahead for NASA's New Horizons probe is former planet Pluto, billions of miles from Ceres and the king of a distant, icy realm.

Both are dwarf planets, mini-worlds that just don't make the cut as official planets. It's a vast population of worldlets that scientists don't know much about.

But if all goes according to plan, that will change starting now. And it's about time the little guys got some attention.

"There are more dwarf planets than all the gas

DON'T MISS THE REST OF THIS STORY!
Create a free account to continue and get unlimited access to hundreds of Nat Geo articles, plus newsletters.

Create your free account to continue reading

No credit card required. Unlimited access to free content.
Or get a Premium Subscription to access the best of Nat Geo - just $19
SUBSCRIBE

Read This Next

AI can help you plan your next trip—if you know how to ask.
Did this mysterious human relative bury its dead?
This new birth control for cats doesn't require surgery

Go Further

Subscriber Exclusive Content

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet