Because Mars and Europa are considered two of the most likely places to find liquid water. Mars is thought to have tiny amounts of water that become liquid in it's soil, theoretically allowing some particularly resilient forms of bacteria to survive, and there may be relatively large bodies of water deep beneath Mars's surface. Europa is thought to have a global underground ocean (similar to the way Earth has an underground global magma "ocean") with a volume greater than all the water on Earth.
Europa probably contains a metallic iron core. Little information about its deep internal structure is known, but this is what scientists think.
Silicate rock
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Scientists hope the ozone layer will have recovered by around 2050.
The scientists think that Europa can have the life on it.
I have read somewhere that scientists think that europa may have an underground ocean.
Scientists believe that there is liquid water, under the crust of Europa.
Europa is covered with ice and underneath a layer of ice there is an ocean that scientists think might have life living in it. Also Europa has many cracks on it.
As far was we know the development requires water in its liquid for to be present and a source of energy to supply/drive chemical reactions. We know that deep down Europa has a liquid layer (of water) and the geysers of this water into space proves that there is energy in Europa's core.
They think that life might exist on Europa because they have found evidence of liquid water on Europa. Hope this helps. :) <3
Many scientists believe that Europa may hold water, or at least ice which could mean there is a possibility of life on one of Jupiter's moons.
It may have oceans of liquid water under its layers of water ice. Scientists want to know if these oceans (assuming they are there) contain any forms of life.
Europa probably contains a metallic iron core. Little information about its deep internal structure is known, but this is what scientists think.
As far was we know the development requires water in its liquid for to be present and a source of energy to supply/drive chemical reactions. We know that deep down Europa has a liquid layer (of water) and the geysers of this water into space proves that there is energy in Europa's core.
Europa is the sixth moon of the planet Jupiter.
There is an ocean on Europa which contains liquid water. Other than the Earth, Europa is the only place in the solar system where we have found liquid water. Life as we know it is very dependent upon liquid water, and life is believed to have originally evolved in the water, before moving to the land.