I'm standing for real freedom. I regard freedom of expression as the primary right without which one can not have a proper functioning democracy.

Supervolcanoes! Mars Had ‘Em; So Could We

Science & Space

It’s no news that Mars is teeming with extinct volcanoes. The biggest, Olympus Mons, towers some three times higher than Mount Everest, spreads so wide that it could cover most of France and is so prominent that its snowy summit was first spotted from Earth in the late 1800’s. Astronomers now know of literally thousands of smaller volcanoes as well, sprinkled liberally around the Red Planet, some of them as much as 3.5 billion years old.

But there must have been volcanism before that. Mars formed 4.5 billion years ago, and babyhood is a turbulent time for planets. “Early in its history,” says Joseph Michalski, of the Planetary Science Institute in Tucson, Arizona, “Mars would have been hot inside.” So by the time the volcanoes we can see today formed, the planet should already have been releasing heat from its molten interior for a billion years. “The…

View original post 601 more words


Single Post Navigation

One thought on “Supervolcanoes! Mars Had ‘Em; So Could We

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )


Connecting to %s

%d bloggers like this: