Tag Archives: exoplanets

Finding New Worlds

We could detect oxygen in Proxima Centauri b’s atmosphere. It’s a biosignature, but not proof of life. Some extrasolar planets are like Earth, almost. Many are unlike anything in the Solar System. I’ll be looking at recently-discovered worlds; some almost … Continue reading

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Labor Day SETI

I nearly missed an interesting development in SETI, the Search for Extraterrestrial Intelligence. Interesting, and as newsworthy as most Stephen Hawking stories, but probably not significant. Professor Hawking didn’t start chatting with aliens over the Labor Day weekend. That would … Continue reading

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Exoplanet Frontier

We wouldn’t expect to find life on 51 Eridani b, even if were the size of Earth and at the right distance from its star. The planet is only a bit over 20,000,000 years old. At that point in our … Continue reading

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New Worlds: The Search Continues

There’s a huge telescope under construction in Chile: the E-ELT. When compete, astronomers using it plan on looking for new worlds, and observing the early universe. We may have spotted a second super-Saturn. We’ll know more about that in September. … Continue reading

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