https://www.cnn.com/2018/08/07/world/rogue-planet-beyond-
solar-system-trnd/index.html
A strange 200 million-year-old object with the mass of a planet has been
discovered 20 light-years from Earth, outside our solar system. The
"rogue," as it's referred to by researchers, is producing an
In the last 20 years, the hunt for planetary systems which may be habitable has
uncovered dozens of oddities. A few of these planets have novel chemistry which
could be consistent with denser forms of hydrogen.
There are many findings of hot Jupiter sized planets which are hotter than our
The C-O-M motion is monotonic, not constant.
On Sun, Aug 12, 2018 at 11:34 AM, H LV wrote:
> Nifty physics demo:
>
> Two carts are connected together on an air track with a spring. Under
> bright lights you can see the coupled oscillation of the carts back and
> forth, but under black lights
Nifty physics demo:
Two carts are connected together on an air track with a spring. Under
bright lights you can see the coupled oscillation of the carts back and
forth, but under black lights you can see that the center of mass moves at
a constant velocity.
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