这里 “send the astronauts to the moon”(把宇航员送到月球)是科学家努力工作的目的,表目的要用动词不定式 “to do” 形式,所以填 “To send” ,句首单词首字母大写。综上,答案依次为:11. planets;12. yet;13. months;14. made;15. To send 。
Gas giants are huge planets like Jupiter and Saturn that are made mostly from gases like hydrogen and helium (氦).HD 100546- b is located 335 light years from Earth. A light year is the distance light can travel in one year, or about 6 trillion miles. So the baby planet may seem ...
Companies like SpaceX and Blue Origin are set on revolutionizing space technology with goals of spatial exploration, and ultimately enabling people to live on other planets in colonies.像太空探索技术公司和蓝色起源公司这样的公司正以太空探索为目标，致力于革新太空技术，并最终使人们能够在其他星球上定居。...
Spaceships are made germ-free through several methods: heat, chemicals, radiation and plasma, the last of which is the most preferred. The equipment is assembled in a clean room. All of this is done for planetary protection. Whether it is to send people to the moon or restock a space sta...
Finally about 2.6 million years ago some small clever animals, now with hands and feet, appeared and spread all over the earth. Thus they have, in their turn, become the most important animals on the planet. But they are not looking after...
Noneof them has an environment like that of the earth, so scientists do not think they will find life on them.16.太阳和它的行星被叫作太阳系,我们的太阳系只是一个由恒星和行星组成的星系的一小部分,这个星系比太阳系大得多,称作银河系或银河。The sun and its planets are called the solar system...
How are you?I want to tell you about my trip to the city space museum two days ago.I have never been there before so I was (1) excited(excite)!I was taking care of my little sister and she was bored so I said,"We are going on an (2) unusual(usual) experience!" When we arr...
Why are the planets made of hydrogen and helium gases located in the outer part of the solar system and the terrestrial planets with iron cores located in the inner part of the solar system? Which Jovian planet does not have rings?
Universal indicator strips look just like litmus paper, but they are treated differently. Instead of the lichen-based dyes used for litmus paper, universal indicator solutions are made from synthetic dyes, including thymol blue, methyl red, bromothymol blue, and phenolphthalein. Universal indicator str...
In Zoroastrianism the while the stars are created by Ahura Mazda the Planets are created by Ahriman in opposition to the stars. This is inline with some aspects of Mandean Planetary talismanic magic where the talismans are not made to channel the planet but to hold its influence at bay!