25 Apr '13, 1pm

It's day four of Puzzler Week. We'll reveal the answer to all the puzzlers tomorrow. #EarthDay #NASA

It's day four of Puzzler Week. We'll reveal the answer to all the puzzlers tomorrow. #EarthDay #NASA

Each month, Earth Observatory offers up a puzzling satellite image here on Earth Matters. In celebration of Earth Month 2013, we’re upping the ante. We are going to release a new puzzler image every day this week. The fourth image is above. Your challenge is to use the comments section to tell us what part of the world we are looking at, when the image was acquired, and why the scene is interesting. We’ll post the answer to all five puzzlers at 6 p.m. EST on Friday, April 26. How to answer. Your answer can be a few words or several paragraphs. (Try to keep it shorter than 200 words). You might simply tell us what part of the world an image shows. Or you can dig deeper and explain what satellite and instrument produced the image, what spectral bands were used to create it, or what is compelling about some obscure speck in the far corner of an image. If you think something i...

Full article: http://earthobservatory.nasa.gov/blogs/earthmatters/2013/...

Tweets

It's Puzzler Week at #NASA Earth Observatory. Here's number 2. What do you see in this image? #EarthDay

It's Puzzler Week at #NASA Earth Observatory. H...

earthobservatory.nasa.gov 23 Apr '13, 2pm

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In celebration of #EarthDay, we're releasing a new puzzler image every day this week. Here's the first.

In celebration of #EarthDay, we're releasing a ...

earthobservatory.nasa.gov 22 Apr '13, 3pm

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Been up to some antics this week... Take a look

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