Reflective heat concentration is absolutely a thing, I believe I know the scene you're talking about, and the scale is intense but I think it could be done.

Goodness that was such a good book. I said the audio book version, and I've yet to find an answer on the Internet, but I have a question regarding something in the text that I might ask if you're decently far in.

No spoilers! Everybody should pick up this book immediately,

I've heard it described as "the book Andy weir wanted to write first, but he had to write the Martian to prove to publishers that he knew how to write an engaging story" and I completely agree, if you enjoyed the Martian this is the next step, if you haven't read the Martian I'd probably start with project hail Mary.