G层

These discoveries raised the stakes. Here was a planet similar to our own. Mars might not have cities or civilizations. But it could be home to other smaller life forms like microbes. Chris McKay is N

发表于:2018-12-07 / 阅读(58) / 评论(0) 分类 火星生命

I think it is exciting. Because it would imply that if life arose independently on Mars. The implication is that life is pervasive throughout the universe. This is why Mars has so obsessed scientists.

发表于:2018-12-07 / 阅读(54) / 评论(0) 分类 火星生命

William Boynton is professor of planetary sciences at the University of Arizona. And he's dedicated his life to looking for water on Mars. The link between life and water is very strong. Even here in

发表于:2018-12-07 / 阅读(76) / 评论(0) 分类 火星生命

But there was something even better. Odyssey may not just have found ice. There may also be liquid water, and that means, there could be living creatures there too. Right now, there might be liquid wa

发表于:2019-01-02 / 阅读(75) / 评论(0) 分类 火星生命

The ground here is permafrost, a mixture of soil and ice frozen together. A group of Russian scientists have teamed up with NASA to drill down into it in search of microorganisms. It's work that's bee

发表于:2019-01-02 / 阅读(63) / 评论(0) 分类 火星生命

One of these wavelengths corresponds to hydrogen, another wavelength would be iron. Another wavelength would be oxygen. And so you go to the part of the spectrum you are interested in and you see you'

发表于:2019-01-02 / 阅读(53) / 评论(0) 分类 火星生命
学英语单词
AGAG
analog-to-digital conversion rate
antihotel
Auseu
barrymore
be annoyed with someone for something
boiler manufacturer
brilliant varnish
calculated amount
called to order
carboxylated
Cat I.
center fielders
combined polymerization
coordinate trihedral
Cordyceps
corpsefucker
cross division line
cruising endurance
cutter gauge
death's-head
deck tank
deformation point
dicarbeniums
dicranopteris warburgii nakai
distant light
downtown street
Dudince
energy source control method
ewoks
exhibition season
farc
fasciculi of Rolando
featheredge
flammability range
fraks
give someone head
gravity gliding tectonics
hat-band
Ilemera
ingorant
internal caliber gauge
jersey black giant chicken
latitudo sanasaii
Longdale
maintenance pack
make a silk purse of a sow's ear
manoeuvrably
marine layer
mechanical press
mechanical vibration generator system
medical card
meningomyocele
metarepresentational
Middenbeemster
miscella evaporation
monachization
multi-tracking
multifaith
multiple-goal
natural service
nonconstruction unit
perihelions
permeatings
pivot pin,king pin
plumcot tree
position ouverte
postlabelling
proportioning of waste
proximity
Pythagorean
Rabdosia weisiensis
radiographicX
railway gun
random seaway
ratio of blade thickness to chord
rollrights
ROM (read-only memory)
roundeles
Sakellaridis
sardenian
Savinien Cyrano de Bergerac
shift driver
single-capacity
sodium-sensitive cells
sphacelotheca cruenta(kuhn)potter
spirit way
spoo
steering lock angle
Stovarsolan
sustainable cell rate
syndrome decoding
teaching feedback
the night is young
thermohygrometer
three mile limit
three-crop
two-person rule
uncrazy
underputter
xanthodont
zone of convergence