So to build on the words of the late and great Enrico Fermi, let's take a look at the history of SETI so far and ask the question, "What have we learned?"
Call it curiosity, call it anthropocentrism, call it arrogance, call it destiny, but there has been a drive to look out into the cosmos and ponder whether or not there are any species like us out there (aka. intelligent).
To be fair, this term presents all calls of difficulties, not the least of which are philosophical or ethical. On top of that, our search efforts are limited because our technology and frame of reference are similarly limited. So perhaps a quick tutorial on the relevant terminology and strictures is in order.
Not to change the topic here:
Meteorites contain extraterrestrial ribose
ACS values your privacy. By submitting your information, you are gaining access to C&EN and subscribing to our weekly newsletter. We use the information you provide to make your reading experience better, and we will never sell your data to third party members.
Choose the membership that is right for you. Discounts will be applied automatically at checkout.
The Oumuamua Paradox --"We Have Slim Chance of Distinguishing ET Artifacts from Natural
According to Wolfram, if someone beamed our own 21st-century communication signals at us from space we would be hard pressed determining whether they were artificial or natural. So what chance do we have of distinguishing an ET communication from the general background radio static of the cosmos?
In his magnum opus, A New Kind of Science , Wolfram, suggests that extraterrestrial intelligence is inevitably difficult to define and recognize “It has usually been assumed that detecting extraterrestrial signals from a sophisticated mathematical computation would provide evidence for extraterrestrial intelligence,” he writes.
Protecting Earth's Environment For A Mars Sample Return - Has NASA Started The Legal Process
This article is based on the sample return studies by the National Research Council , and the European Science Foundation and a study by Margaret Race of the SETI institute of the laws that woud be triggered by a sample return and the legal process.
The caching rover to collect the samples is already complete and and has a launch date for 2020. Longer term, they already have a date to return the samples - they plan to return them in 2032 . They have done paper studies for the engineering for the mission to return the samples.
Happening on Twitter
拡散！NHK インターネットに接続しているだけで受信料を取ろうとしています。ご意見はこちらに 反対意見が多ければ阻止できます。■日本放送協会のインターネット活用業務実施基準の変更案の認可申請の取扱いに関する総務省の基本的考え方につ… https://t.co/GgtaREmvwi daitojimari (from 日本) Sat Nov 23 21:52:47 +0000 2019
インターネットを使っているだけで受信料を取ろうとしたNHKの試み 7月のパブリックコメントでの反対意見で強行できなかったのです。 で、再度、パブリックコメント募集 反対意見をどうぞ https://t.co/h24MPvXCmk… https://t.co/7d1YJY6DwE daitojimari (from 日本) Sat Nov 23 22:06:33 +0000 2019
If @DevinNunes did have a meeting with Ukranians set up by Parnas in search of Biden dirt - & failed to disclose th… https://t.co/rsEKhFDO5t kurteichenwald Sat Nov 23 14:42:01 +0000 2019
No comments:
Post a Comment