What the Heck Is This?
This is just part of a larger photo, and even the entire image is a little hard to make out, so I bet this close-up will befuddle a lot of people.
But once you know what it is, you'll go, "Oh, yeah!"
Hint: It's a frightening view from above.
Hint 2: It's a great shot of planet-making in progress.
Okay, here's what scientists say this is: A complex configuration deep within the vent cavity in Halema`uma`u crater on Hawaii's Kilauea Volcano. I'll say!
On the right side of the full image (below) you'll see lava pouring into the "complex configuration," spilling from a small cliff into this lava lake. Not a place you want to visit.
Got a strange or interesting photo related to science, nature or technology? What the Heck, send it to me and maybe I'll use it. And you follow me on Twitter or Facebook.
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Robert is an independent health and science journalist and writer based in Phoenix, Arizona. He is a former editor-in-chief of Live Science with over 20 years of experience as a reporter and editor. He has worked on websites such as Space.com and Tom's Guide, and is a contributor on Medium, covering how we age and how to optimize the mind and body through time. He has a journalism degree from Humboldt State University in California.