NASA's Perseverance rover launches in one month

Here's what you need to know

Mars’s next robotic inhabitant is 1 month away from launch.

Perseverance will land in Jezero Crater, the site of an ancient

river delta.

Perseverance’s mission builds on its cousin orbiters, landers and rovers.

The rover will also carry a 4-pound helicopter to test a new type of exploration capability.

Generating enough oxygen is key to someday sending humans to Mars.

Read more Perseverance coverage here.