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Originally posted by ProudBird
reply to post by -W1LL
The quote about Mars having been habitable to life either in the past, or possibly still (although underground) is simply that.
Life.
Not "intelligent" life...just, life. The Earth had life on it for between three to four billion years (or more) before any intelligence arose.
He didn't know, but some people thought that there was land to the west of the Atlantic ocean.
Originally posted by Aestheteka
He wasn't expecting that continent because they didn't know it existed....
I agree.
As for the bricks, you say geology, I say archaeology, let's call the whole thing off
Originally posted by Aestheteka
I bet even Rover let out a "WTF?"
Originally posted by Destinyone
I can't help but laugh...wondering what Hoagland will build the photos up to be. Another shopping mall on Mars
How long until we hear his drivel on C2C.....place your bets now folks.
Des
Originally posted by ArMaP
That's true, but we should some known basis for our speculation, or else we risk basing one or more theories in, for example, two unknown things, so we cannot know what happens when both change to an unexpected value, while if we do that with just an unknown we can speculate about what happens when it changes.
Originally posted by Aestheteka
But without speculation there is no science, no exploration
(I hope the above makes some sense, it sounds a little confusing to me)
Originally posted by intrptr
Another bit from that article gives me 2.5 billion reasons why they have suddenly found something new and exciting. In order to justify a lot more money for touring other planets. Pics are cool and all, just 2.5 billion for some photos?
Some crater is its objective? I bet some pie of precious metal ores is more like it. Then we can send a factory ship and begin mining operations, men even. Pollution of a whole other eco sphere can then begin in ernest.
Faint lines and color changes visible from the air are often invisible on the ground, and can be caused by buried cultural remains. Aerial archaeologists refer to these as crop, soil, and shadow marks. Crop marks form because there can be notiecable variations in crop vigor, color, or height when crops or natural vegetation grows over buried walls or other cultural remains. These are called 'negative' crop marks, as the crop is less vigorous due to the lack of moisture or root vigor caused by the buried walls. The opposite are 'positive' crop marks, where the crops are taller or more vigorous when growing over pits or post holes. There is more moisture and better root growth, so the crops grow better. These differences are heightened in times of crop stress, such as a drought. In the major French drought of 1976 thousands of new archaeological sites were discovered from the air. Soil differences also can be visible, such as where a road or ditch was filled in with soil from a different place. These are called 'soil' marks. Small variations in topography causing shadows that are visible early or late in the day, these are called 'shadow' marks.
On the way to a plausible and consistent reconstruction, a simulation of different solutions can be very helpful.
Originally posted by ProudBird
reply to post by -W1LL
The quote about Mars having been habitable to life either in the past, or possibly still (although underground) is simply that.
Life.
Not "intelligent" life...just, life. The Earth had life on it for between three to four billion years (or more) before any intelligence arose.
Originally posted by BRITWARRIOR
Originally posted by neo96
My problem with this is people are thinking like Earthlings so they project Earthling "engineering" on anything they see.
How many ways are there to build a bike? or a dam? or a road?
While the designs may very in style there is only one way to build them "that works" so yes in fact Aliens would use EXACTLY the same methods of building, enough for us to recognise,