Occupying its outermost third is a convective zone where gas is rising and falling in planet-sized cells.
Fewer cows roaming the planet means less bovine methane gas.
One plus is that, apart from the possibly dirty business of generating it, the gas is the cleanest fuel on the planet, combining with oxygen to create H2O, pure water vapor.
Couple such capability with new satellite measurements (America's Orbiting Carbon Observatory 2 is due to launch in a few years) and better measurements of the mass of plant life in forests and other ecosystems, and the planet's greenhouse-gas credits and debits will surely be understood far better.
As the planet warms, thanks to our gas-guzzling cars and power-producing factories, the polar bear's frozen habitat is disappearing.
About one-fifth of them are home to a gas giant like Jupiter or a still more massive planet.
The planet is endowed with plentiful sources of natural gas and oil, conventional and unconventional.
In a way that moves this bill -- it moves this legislation forward and gets us one step closer to taking comprehensive action to deal with dangerous greenhouse gas emissions that we all know threaten and endanger our planet.
Shell is also one of the companies looking at shale-gas reserves in China, which may be the largest on the planet.
ECONOMIST: Shale gas should make the world a cleaner, safer place
These have been key to the IPCC's conclusions that the planet's surface is warming and that humanity's greenhouse gas emissions are very likely to be responsible.
On the plus side, the ability to directly detect light from a planet closer to the size of Earth than a Jupiter-sized gas giant is a positive step forward in our ability to learn more about planets that might be habitable.
Professor Roxburgh told BBC News there appeared to be another planet orbiting the same "sun" - a Neptune-sized gas giant.
"To have 100 billion cars on the planet that aren't being used is a total waste of materials, gas, petrol, metals, " Frigstad explained.
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