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I saw some news about mars which previously was having pretty much the same topograpy and geography and such as Earth. is that true?? o.O;;; and now as we know, mars is quite empty ...

it has been interestingly bothering me lately to know whether Earth will soon be like Mars?

2006-11-09 16:21:25 · 13 answers · asked by Libby T 1 in Science & Mathematics Astronomy & Space

13 answers

Earth will NEVER be like Mars. First, Earth is much larger than Mars and because of that there is much more gravity here which keeps our atmosphere in place. Mars lost its atmosphere billions of years ago because it did not have enough gravity to hold it in place. Second, Earth is much closer than Mars is to the Sun so it is warmer on our planet than it is on Mars. Earth is much more like the planet Venus which is the same size as Earth but is closer to the Sun and therefore has a hotter planetary surface and atmosphere. You should be worrying that in the not too distant future global warming on Earth might cause a runaway greenhouse effect similar to what is happening on Venus. If this were to happen on Earth, then the temperature of our atmosphere will continue to rise and be unstoppable. The end result will be that it will be too hot on our planter for ANY life to exist.

2006-11-10 10:15:18 · answer #1 · answered by Anonymous · 0 0

they think of that there have been 3 planets billions of years in the past, with the skill to harbor existence. Venus, Earth and Mars. Venus had an excessively dense ecosystem, and replaced into too close to to the solar, Earth replaced into just about precise, and Mars had too skinny an ecosystem, and it replaced into too an prolonged way removed from the solar. The planets all greater in distinctive techniques. They nevertheless are evolving, in spite of the reality that, it is not any longer likely that the Earth will ever be like Mars. In a pair of billion years, while the solar heats up approximately 10%, there will be adequate radiation to coach the Earth right into a Venus-like planet.

2016-12-14 04:41:43 · answer #2 · answered by Anonymous · 0 0

Unless our unimaginally distant descendants move the earth furher from the sun it will be like Mars, for a while, as the sun expands into a red giant. It will only be temporary though because the heat will eventually melt everything. The earth can be moved however - we already know how it could be done but that is the answer to a different question.

2006-11-09 16:53:34 · answer #3 · answered by Michael da Man 6 · 0 0

i don't know about soon. but it is quite possible that one day the earth will be a lot like mars is now as mars was once like earth is today. but given the polution, etc. that is going on, it is more likely that earth will turn out like venus. due to co2 in the atmosphere blocking heat from escaping.

2006-11-09 16:24:49 · answer #4 · answered by nemahknatut88 2 · 1 0

Well yes, scientists predict it will be around 7.5 billion years from now. The reason is because at that time the Sun already transformed into red giant. However, there will be no life on earth, so don't worry.

2017-02-01 21:36:57 · answer #5 · answered by TypicalScience 3 · 1 0

If we (global society) do not change our ways, the earth is more likely to become like Venus.

2006-11-09 16:24:47 · answer #6 · answered by Scarp 3 · 1 0

If by "soon" you mean several million years, then I would imagine that would be possible. I don't think I'd worry too much about it in our lifetime. Or our kids, or their kids, or their kids, or their kids, or their kids, or their kids, or their kids, or their kids. I think you get the idea.

2006-11-09 16:27:12 · answer #7 · answered by dawnsdad 6 · 0 0

if anything earth is more likely to look like venus.

2006-11-09 16:31:42 · answer #8 · answered by my_mas0n 4 · 0 0

No, probably not ever...
Earth has enough gravity to hold on to its atmosphere...

2006-11-09 17:34:04 · answer #9 · answered by Anonymous · 0 0

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2006-11-09 16:26:22 · answer #10 · answered by M.R.Palaniappa 2 · 0 1

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