our crowded galaxy

by twit

https://i0.wp.com/upload.wikimedia.org/wikipedia/en/thumb/2/23/Marta.jpg/200px-Marta.jpg

via the BBC on February 15, 2009:

There could be one hundred billion Earth-like planets in our galaxy, a US conference has heard.  Dr Alan Boss of the Carnegie Institution of Science said many of these worlds could be inhabited by simple lifeforms.

… based on the limited numbers of planets found so far, Dr Boss has estimated that each Sun-like star has on average one “Earth-like” planet. This simple calculation means there would be huge numbers capable of supporting life.

… Recent work at Edinburgh University tried to quantify how many intelligent civilisations might be out there. The research suggested there could be thousands of them.

actually, tens of thousands:

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welcome to the new future

by twit

Not only is the Mars Rover using Twitter:

“Are you ready to celebrate? Well, get ready: We have ICE!!!!! Yes, ICE, *WATER ICE* on Mars! w00t!!! Best day ever!!” the Mars Phoenix Lander tweeted at about 5:15 pm.

but it has happily discovered what looks very much like water in areas beyond the polar regions, which may mean that there is lots of water on Mars. From Space.com on June 20, 2008:

“Now we know for sure that we are on an icy surface and we can really meet the science goals of our mission at the highest level,” Lemmon said.

From Maas Digital, a “dramatic, scientifically accurate computer animation” of the Mars Rover mission, now with theme music:

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