Is it possible that Mars once orbited the sun at the distance the Earth now orbits. Will the Earth someday move out to Mars current orbit. That would mean Venus would someday cool off and
possibly move to Earths orbit and become Earthlike. In other words are the planets receeding from the Sun?
2006-07-08 21:08:32 · 7 answers · asked by boob 2 in Science & Mathematics ➔ Astronomy & Space
no thats not true....
2006-07-08 21:14:27 · answer #1 · answered by Anonymous · 0⤊ 0⤋
I've read articles and watched tv programs about it. People theorize that the center of our planet is molten metal constantly in motion which causes a great magnetic affect and gravitational pull. Some theorists think that the the core of mars was once like this and then for some reason it solidified or froze, thus losing its gravitional magnetivity and the water and any other items that could be pulled out of the atmospher were indeed pulled away (floated away into outer space) I'm not sure if the planets are receeding from the sun though.
2006-07-09 04:20:01 · answer #2 · answered by bombhaus 4 · 0⤊ 0⤋
One of the fundamental forces in the universe is gravity. While it is doubtful any of the planets will fall into the sun before the sun itself dies, ALL orbits decay over time, and planets move in, not away.
The loss of Mars' atmosphere is likely due to a near miss by a large comet or asteroid. Gravitational force ripped the gasses from the planet and caused them to dissipate in space. Any liquids on the surface, such as water, were then evaporated into space, or bound up at the poles as ice due to the loss of the protective atmosphere.
2006-07-09 04:36:49 · answer #3 · answered by the prof 2 · 0⤊ 0⤋
The orbits don't grow larger unless some outside force sends a planet off course. As the sun loses mass they may start to because the gravitational pull will be less.
2006-07-09 04:13:28 · answer #4 · answered by martin h 6 · 0⤊ 0⤋
I am not quilified to answer you with any real answer, but I can give you my opinion. The answer is no, but the earth is moving closer to the sun every day, soon mars won't exist in another 5000 yrs Mars won't be , Venus will be where Mars is and we will be where Venus is at this present time. And in a hunder thousond year this planet will be toast.
But wait that is only if you hold to evolution, If you hold to what the bible says soon the earth will be no more it is going to be one toasty cridder
2006-07-09 04:22:42 · answer #5 · answered by Mr. Clean 3 · 0⤊ 0⤋
Yes, measurements have shown that the planets are indeed receding although very slowly.
2006-07-09 04:15:59 · answer #6 · answered by ag_iitkgp 7 · 0⤊ 0⤋
"gravitional magnetivity "
There's no such thing!
2006-07-09 04:28:29 · answer #7 · answered by Willy 1 · 0⤊ 0⤋