7. gravity [ˈgræviti] n. 重力;引力 8. frontier[ˈfrʌntjə] n. 边境;国界;边远地区 9. vehicle[ˈviːikl] n. 交通工具;车辆 10. universe[ˈjuːnivəːs] n. 宇宙;天地万物 11. determined [di...
soar v.高飞,增强 The human body is not designed for space life. Astronauts are confronted with multiple challenges on a space mission. The changes in gravitycan have an impacton their bodies. The sensationof isolation and confinementliving in a small spacecraftfor months can impairtheir menta...
Have you ever thought of living in the space?There is no gravity(重力)there,so things are notas(1) as they are on the Earth.When you drop something,it floats(飘)away slowly in the air.So do you know(2) ...
Valleys on Mars suggest the Red Planet was once covered in flowing water — but it's still a mystery how that could have been. Mars VIEW MORE Meet the team Tariq Malik Editor-in-Chief Brett Tingley Managing Editor Dr. Mike Wall
A unique task for the three pilot-turned taikonauts is to create an "aquarium" and raise fish in zero gravity. They will create a simplified version of an aquatic ecosystem using zebrafish and algae to study how the space environment affects their growth and system balance. The "aquarium" is...
controls of the spacecrft and explain how gravity worked. The第一节课将展示怎么操纵航天器并且解释重力如second was to describe the aims ofthe Challenger space programme.何作用。第二节课将描述“挑战者”号太空计划Christa hoped to communicate a sense of excitement and create new的目的。克里斯塔希望...
mass, so they should not be able to stay together. Mass, and consequently additional gravity, are missing to keep them from hurtling through space. The missing element which could explain the additional gravity is dark matter which astrophysicists have been trying to detect and determine its ...
⑦rocket /'rokIt/n.火箭;火Before the mid-20th century, most people felt数人认为太空旅行是一个箭弹travelling into space was an impossible dream.不可能实现的梦想。然⑧gravity /'graevati/n.重力;However, some scientists were determined to而,一些科学家决意要帮引力助人类实现探索太空的梦⑨satellite...
After all, what’s up and what’s down for astronauts who are floating in zero gravity? 毕竟,对于漂浮在失重空间中的宇航员来说,哪边是上,哪边是下呢? In space is there a true north, like here on Earth? 太空中存在真正的北方吗,就像地球上的北方一样? And how is everything complicated by...
At this stage it was high enough that it did not have enough fuel to return to Earth’s atmosphere but also “lacked the energy to escape the gravity of the Earth-Moon system”, meteorologist Eric Berger explained in a recen...