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Curiosity Discovered Evidence Of Water On Ancient Mars
Space.com
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16/04/2025
NASA's Curiosity rover has found evidence of water on ancient Mars with "rippled textures" and "landslide debris" in the foothills of Mount Sharp.
Credit: NASA/JPL-Caltech
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Tech
Transcript
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00:00
The Curiosity rover has discovered lots of evidence of ancient lakes on Mars,
00:10
but what we saw in this panorama surprised us.
00:13
Curiosity is currently exploring Mount Sharp.
00:17
You can see the upper part of the mountain here.
00:20
The whole mountain is three miles tall, but we're down in the foothills.
00:24
In 2022, the rover started exploring a unique feature on Mars
00:29
called the Marker Band.
00:32
It's a dark, thin layer of rock that stands out from the layers above and below it.
00:38
We first saw it in orbiter images years before we launched.
00:43
What created this winding layer of hard rock is a mystery,
00:46
but Curiosity can help us understand what formed the Marker Band.
00:52
We first discovered that the rocks within the Marker Band are really hard.
00:57
Curiosity has faced some challenges drilling into them.
01:00
Here's two of our attempts.
01:02
But we might find a softer spot on the road ahead.
01:06
Nearby, we found an exciting scientific clue.
01:12
These rippled textures were created billions of years ago by waves in a shallow lake.
01:18
We've climbed through many lake deposits during our mission, but have never seen wave ripples this clearly.
01:31
This was especially surprising since the area we're in probably formed at a time when Mars was becoming more dry.
01:43
Just above the rippled layer is another intriguing clue.
01:47
These rocks have a very repetitive pattern in their spacing and thickness.
01:52
We see lots of layers on Mars, but they're rarely this regular.
01:56
We're not sure what caused this rhythmic pattern.
01:59
Weather or climate cycles, like dust storms happening at periodic intervals, are possible explanations.
02:05
Look at these gorgeous layered hills and cliffs that Curiosity is headed toward.
02:21
If this was on Earth, we'd probably make it a national park.
02:24
In the distance here, we can see debris in a valley called Geddes Vallis.
02:33
This was washed down here by wet landslides very late in Mount Sharp's history.
02:39
This landslide debris is probably the most recent evidence of water that we'll ever see.
02:44
It will allow us to study layers higher up on Mount Sharp that we can't reach since they're so far up the mountain.
02:51
Curiosity has driven through some amazing scenery, and we've learned so much about Mars' ancient climate.
03:00
But even after 10 years, there's so much more to explore.
03:04
improvements to a structure for the surface and the weather from the body clouds.
03:09
They won't pay many seats during these couches so far.
03:13
On the outside of this way, we call it Teddy saying is sometimes the best way to白다
03:18
The acha of Bewonse guitar sing they're
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