Tag Archives: astronomy

20 Big Questions about the Future of Humanity

Posted on 2016-09-14 by arjaybe

Scientific American has asked some scientists what they call “20 big questions about the future of humanity.” Not all of the questions are strictly about humans, but most of them are, and I think we can forgive them for those … Continue reading →

Posted in Uncategorized | Tagged , , , , , | 2 Comments

Cassini’s Last Dance

Posted on 2016-05-02 by arjaybe

The Cassini space probe is nearing the end of its life. Cassini is the spacecraft that NASA sent to explore Saturn. It arrived at the ringed planet in 2004, and here are a couple of pieces I wrote about it … Continue reading →

Posted in Uncategorized | Tagged , , , | Leave a comment

Interstellar Seeds Could Create Oases of Life

Posted on 2015-08-28 by arjaybe

In 2004 I wrote a short piece for my local newspaper in which I speculated about the possibility of comet impacts splashing chunks of Earth back into space, and some of the life in those chunks surviving long enough to … Continue reading →

Posted in Uncategorized | Tagged , , , , | 2 Comments