Evidence for the presence of liquid water early in Mars' history continues to accumulate. Some of the most recent evidence for pervasive liquid water includes the discovery of sulfate and gypsum layers by the Mars Exploration Rovers and Mars Express. Furthermore, increasingly detailed images of the...
It was in the ``a'' band that its presence stood revealed. The detection was rendered possible by the use of plates specially prepared by him for the purpose-23 Seed, bathed in a mixture of pinacyanal, pinaverdol, dicyanin, water, and ammonia-which enabled the spectrum to be ...
a huge hole on Mars that is larger than the GrandCanyonon Earth. The minerals therecontainwater, so they had to be formed in the presence of water. Geologic research has also turned
Mars has water trapped in the polar ice caps. More water may lie just beneath the surface. A new study suggests that water also flows on the surface.
Mars has provoked much speculation on the possibilities of __1__life on Earth than any other planet in the Solar System. __2__The presence of water is a prerequisite for the existing of life. __3__Therefore, “follow the water” has been NASA’s chief guideline for the exploration of...
A huge lake of salty water appears to be buried deep in Mars,scientists reported this week.The presence of water raises the chances of finding life on the red planet.The discovery is based on observations by a European spacecraft.It has excited experts.Water is necessary for life,and scienti...
The presence of liquid water could also make life easier for astronauts visiting or living on Mars. Water could be used for drinking and for creating oxygen and rocket fuel. NASA’s goal is to send humans there in the 2030s.The evidence of flowing water consists largely of dark,narrow ...
If InSight’s location at Elysium Planitia near Mars’ equator is representative of the rest of the Red Planet, the underground water would be enough to fill a global ocean a mile or so deep, Wright said. It would take drills and other equipment to confirm...
Water on the red planet still exists today, but mostly in the form of polar ice caps. ice cap 冰盖 火星上至今仍存在水,但是大部分以极地冰盖的形式存在。 Because of factors such as the presence of water, some scientists believe life may have existed on the red planets and may exist again....
小站备考 托福 托福阅读 托福Delta阅读 托福红delta-test3阅读According to the passage, what has been a major focus of research about Mars? 答案解析 1 2 3 4 5 6 7 8 9 10 11 12 13 展开 WATER AND LIFE ON MARS The presence or absence of water has a direct bearin...