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originally posted by: LookingAtMars
originally posted by: gort51
What I want to know is...
What happened to the Ring around Uranus?
The story says that some other planets may have had rings like Saturn does now, maybe only a few hundred million years ago. So Uranus may have had some nice rings not too long ago.
The story says that some other planets may have had rings like Saturn does now, maybe only a few hundred million years ago. So Uranus may have had some nice rings not too long ago.
The sun only accounts for maybe about half of the heat radiated by Earth and Saturn.
originally posted by: LookingAtMars
a reply to: Phage
So what warms the Earth and other worlds then, if not the Sun?
“One thing we can say with near certainty is that radioactive decay alone is not enough to account for Earth’s heat energy,” says KamLAND collaborator Stuart Freedman of the Lawrence Berkeley Laboratory in California. “Whether the rest is primordial heat or comes from another source is an unanswered question.”
Saturn is more than 50% brighter than it ought to be for a normally cooling planet. One way to account for this is through the behavior of its massive envelope of hydrogen and helium gases. As temperatures and pressures rise in the planet’s interior, the gases become liquids. At still deeper levels, the liquid hydrogen becomes electrically conductive, or metallic, while the liquid helium remains mixed in. But once conditions surpass a certain threshold of pressures and temperatures, the liquid helium is expected to fall out of the dissolved mixture. According to theory, this liquid helium forms droplets of “rain” that fall farther towards Saturn’s core, unleashing gravitational potential energy that makes Saturn more luminous.
originally posted by: Arbitrageur
“One thing we can say with near certainty is that radioactive decay alone is not enough to account for Earth’s heat energy,” says KamLAND collaborator Stuart Freedman of the Lawrence Berkeley Laboratory in California. “Whether the rest is primordial heat or comes from another source is an unanswered question.”
Climate change is happening in the whole of the solar system though, as the Sun's goes through it's cycles so does the system around it.
We do? Is there an 11 year cycle in Earth's temperature?
We know that sunspots affect the Earth's temperature.
Perhaps you'll want to ascertain the strength of the Sun's magnetic field when it reaches Earth.
Perhaps the iron depots in our planet are able to couple a certain amount of energy out of the sun's magnetic field.
originally posted by: scraedtosleep
a reply to: CthulhuMythos
The current theories are that climate change is caused by MANY different things. The sun and human activity are just two of those things.