But when it comes to things like the length of a year, and the length of seasons, 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 ...
1. Why is Mars easy to see in the night sky? 2. Who is Elon Musk? 3. How long will it take a spaceship to get to Mars? 4. What are the similarities of the Earth and Mars? 5. Do you think Elon Musk's project will succeed? Why...
In theory, the closest that Earth and Mars would approach each other would be when Mars is at its closest point to the sun (perihelion) and Earth is at its farthest (aphelion). This would put the planets only 33.9 million miles (54.6 million kilometers) apart. However, this has never h...
Ergo, a single day on the Moon, with respect to the Sun returning to the same position in the sky, is actually about as long as an average month here on Earth. So if people are planning on living there someday, and aren’t living in the permanently shadowed craters that exist in the...
aHow does he get to school? 他怎么到学校?[translate] aHappy is not much but because of the care because they have less. 因为他们有较少,愉快的不是,但由于关心。[translate] a我的年龄是14 My age is 14[translate] aHow long is he staying? 他多久停留?[translate]...
Measuring the rotation period of a rocky planet like the Earth is easy, but similar measurements for planets made of gas, such as Saturn, pose problems. Researchers from JPL, Imperial College London and UCLA present new results in this week's Nature (4th
Of course, that doesn't mean that a manned mission to Mars is akin to a vacation to California. Rovers have allowed space programs to not just explore the Martian surface but also suss out some of the issues that would arise should we one day send women or men to the planet. Contents...
How long does it take light to travel from the sun to Mars? On average how long does it take a ray of light to travel from our sun to earth? How long would it take you to reach the nearest star to Earth? How long is a day on the moon?
The article cites a video set up by the U.S. National Aeronautics Space and Administration (NASA) and the Jet Propulsion Laboratory which describes in detail the mission for Mars Curiosity rover which will land on the surface of Mars on the morning of August 6, 2012 or evening on August ...
"How long" is also used to ask about the length of time. How longis the train ride? An hour and a half. How longwill you stay in Thailand? Five days. How longdid you wait? Just five minutes. 3. We use “how far” to ask about distance. ...