It’s long been thought that sulfur dioxide emissions from things like coal-burning power plants need to react in sunlight to make sulfuric acid in the atmosphere. But a new discovery suggests there might be more to the story.
You are standing in a park in New Zealand. You look up at the top of a hill, and there, balanced on the ground, looking like it might catch a breeze and blow away, is a gigantic, rumpled piece of paper.
Except ... one side of it, the underside, is ... not there. You can see the sky, clouds, birds where there should be paper, so what is this?
Now, at the same time that Adam Steltzner's team was waiting for news from Curiosity, tens of thousands of people around the world were waiting for some news from the rover's own Twitter feed. One week after landing, nearly 900,000 followers are getting to know the unique personality of Mars Curiosity. That's the rover's name on Twitter.
RENEE MONTAGNE, HOST:
Here are a couple of Curiosity's tweets so far: You asked for pics from my trip, here you go: my first look of many to come of my new home, Mars.