Mars and Earth are quite different. Compared to Earth, a year on Mars lasts almost twice as long – 686.98 Earth days. This is due to the fact that Mars is significantly farther from the Sun and its orbital period (the time it takes to orbit the Sun) is significantly greater than that...
Or perhaps we will leave Mars as we found it.结果一 题目 请回答以下三个问题:(1)How is the average temperature on Mars? (2)How was the temperature long time ago? (3)What could future generations do to transform Mars? 答案 (1)The average temperature here is lower than at the Earth'...
—5 years ago.6. He ___ (become) a professional soccer star when he was twenty-two.7. He ___ (visit) China when he was fourteen years old.8. The little boy could sing some difficult and beautiful ___ (piece) of music.9. How long did you spend ___ (finish) ___ (write) ...
The days are extremely hot, the nights extremely hot, and a day lasts over half as long as a year. So if you’re planning on vacationing somewhere, might we recommend somewhere a little less sunny and balmy? We’ve written several articles about years on other planets here at Universe To...
How long does it take to get to Mars & what affects the travel time? The time it takes to get from one celestial body to another depends largely on the energy that one is willing to expend. Here "energy" refers to the effort put in by the launch vehicle and the sum of the maneuver...
If the current trend of Open Source 3D printable files continues, it will not be long before everyone prints their own large objects, like furniture and weapons.如果目前开源3D打印文件的趋势继续下去，用不了多久，每个人都会打印自己的大型物品，比如家具和武器。Well, here's an idea how about ...
How far is the Moon in light years from Earth? How long is a day on Ceres? How far is the moon from Earth? What is the length of one day on Saturn? What is the length of a day on Uranus? How many days are in a year on planet Mars? How long does it take for light to tra...
How far is Pluto from earth in light years? How long is a year on Jupiter? What is the age of our solar system? How old is the the universe? How many days are in one light year? What does the cosmic calendar mean? How long does it take to get to Mars from Earth?
Keep in mind that a Mars rover stays on the planet forever when we're done with them, but Terry the Astronaut's trip is more a vacation than a move. And that means food, fuel, waste disposal and a plethora of other costs — twice. Beyond logistics and cost are all the vast unknown...
In June andJuly,2003.(4).【答案】For many years.【解析】For many years,people have studied Mars.故答案为:For many years.(5).【答案】Because its rocks are dark red.【解析】Mars is often called "the red planet"because its rocks are dark red.故答案为: Because its rocks are dark red....