2020 has been a shit year for most of us here on Earth. But it may turn out to be a landmark year for science, and the search for life outside of Earth.

The search for extra-terrestrial life has mostly focused on Mars and the icy moons of the outer solar system.

For decades, the focus of the search for extraterrestrial life has focused on Mars, the outter solar system (such as the moon Titan and Europa), and searching for non-natural radio signals from other stars. But a recent review of data from the Pioneer 13 space probe has revealed that the probe detected one of the tell-tale indications of life in the atmosphere of Venus way back in 1978. The review of Pioneer 13's data was prompted by the recent discovery (by scientists using a land-based telescope) of a chemical called phosphine in the atmosphere of Venus. The findings were published in the journal Nature Astronomy a month ago, on September 14.

Phosphine is a class of gas that can be produced from atmospheric chemistry under high pressure, or as a by-product of anaerobic biology. Phosphine has also been detected in the atmosphere of gas giants such as Jupiter, where the incredibly high pressure and energy of Jupiter's interior atmosphere produces the compound, which then floats up to the upper atmosphere, where it reacts with other chemicals and oxidized (or dissolves). The atmosphere of Venus, however, lacks the higher pressure of Jupiter that would be continually-creating phosphine. As such, the chemical cannot be produced in Venus' atmosphere, in the quantities detected, by the same mechanisms that produce it on Jupiter. Another explanation is required, and the only other known way to produce this type of phosphine is through anaerobic biological processes.

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Cosmos: A Spacetime Odyssey - title

Last night, the first episode of the reboot/sequel to Carl Sagan's acclaimed series Cosmos premiered on FOX and National Geographic Channel. I'd been anticipating this show since it was announced last year, as the original Cosmos is one of the best educational programs that has ever been produced. This show is hosted by Neil deGrasse Tyson, whose passion and charisma makes him an excellent communicator of scientific ideas (right up there with Bill Nye) and fitting successor to Sagan.

Cosmos A Personal Journey - cosmic calendar
The new "cosmic calendar".

In this premiere episode, Tyson gives a brief tour of the solar system, recounts the story of Giordano Bruno, and introduces the viewer to Sagan's classic "cosmic calendar". The information presented in this episode is very high-level. I'm hoping that this is due to the introductory nature of this first episode, and that the remaining episodes will go into much greater depth and detail. However, I fear that the one-hour format will be too constraining for Tyson to provide any information of substance. Sagan's original series was made up of thirteen episodes each two hours long, and that format gave him the opportunity give more than just an introduction to a given topic, providing specific details on the evidences and experiments that lead to the discoveries he presented. Will Tyson have the time in later episodes to provide more information than one can get from the first paragraph of a Wikipedia article? I hope so.

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Welcome to Mega Bears Fan's blog, and thanks for visiting! This blog is mostly dedicated to game reviews, strategies, and analysis of my favorite games. I also talk about my other interests, like football, science and technology, movies, and so on. Feel free to read more about the blog.

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