cosmos

Tag archives for cosmos

If you missed the first (or later any) episode of Cosmos 2014, you can get it on Amazon Prime streaming (for a fee). It’s worth it. Here are a few comments I jotted down (then lightly edited) while watching the first episode. Neil does have his own spaceship, like Carl did. That’s important because it…

Neil DeGrasse Tyson on CNN: And while we are on the topic, Carl Sagan, of the original Cosmos, on climate change: See also this from Chris Mooney at Mother Jones. And just for the heck of it, here’s my interview with Neil deGrasse Tyson from 2011.

There are bacteria that use Iron (and other elements) to make tiny magnets that they carry around so they don’t get lost. (I anthropomorphize slightly.) There are isotopes of Iron that are not of the Earth, but are found only elsewhere in the universe. Suppose an event happened elsewhere and spewed some of that cosmic…

I love it when scientists say that! And, so said scientist Daniel Baker, speaking of a newly observed feature of the famous and well known, or at least, we thought well known, Van Allen Belts. First discovered in 1958, the Van Allen belts have been thought to comprise two reservoirs of high-speed, electrically charged particles,…

In February, Asteroid 2012 DA 14 will come so close to earth that it will be nearer to our planet than many satellites are. This asteroid, which really should get a new name, is about half the size of a football field. Its orbit is similar to that of the Earth itself, in size and…

Never mind Fresh Water Diatoms hitching a ride on meteors. We’ve got a possible Gamma Ray Burst in about 774 or 775 CE to talk about. Phil Plait has described the phenomenon which is reported here. The tl;dr: Extra 14C Beryllium in tree rings laid down at that time had to come from somewhere, and…