Scientists have found evidence of the existence of long-lived lakes on Mars. A study by scientists from the NASA Goddard Space Flight Center, based on data from the Curiosity rover, was published in the journal Nature Astronomy.
In recent years, astronomers have found a lot of evidence that in ancient times there were rivers on Mars, and therefore water in liquid form. Scientists believe that they contained about the same amount of water as the Arctic Ocean now contains.
How this water disappeared, scientists still do not know exactly – for example, there are hypotheses that it disappeared during strong dust storms.
Data collected by the Curiosity rover in the Gale Crater on Mars, scientists have found evidence of climate change on the planet. In particular, the researchers discovered a cold ancient rock rich in carbon dioxide and oxygen.
These rocks most likely formed in the ice-covered long-lived lake that existed during the “cold” stage of the planet’s climatic history. It preceded the fact that Mars lost most of its atmosphere and began to constantly cool.
Further studies of the collected rocks will help to better understand how the climate on Mars has changed and how long water has existed in liquid form on the planet, the study says.