1. The moon looks bright because it reflects the light from the sun.2. We can see different phases of the moon because of its orbit around the earth1.3. A crescent moon looks like a small part of a circle.4. A gibbous moon looks like more than half a moon.5. A half moon looks...
(3)This means that the Moon moves in a circle around the Earth. It takes the Moon about one month to move all the way around the Earth. What is the weather like on the Moon? It can get very cold and very hot.When the Moon faces the Sun,the Moon becomes very hot.When the Moon ...
What is the gravitational force of the moon on the earth? Is the gravitational force a central force? The speed of an object moving in a circle is doubled. The centripetal force needed is: a. one-quarter as much An airplane of mass 30000 kg travels in a horizontal loop at radius 10 ...
By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over. The spacecraft that holds the record for longest journey to the moon is NASA's CAPSTONE probe, a 55-pound (25 kilograms) cubesat that took 4.5 months to leave Earth, circle it...
Why does the moon become full every month?When the flowers drop,the leaves grow.When the old die,the new are born.Life is a circle,Love is,too.Our parents love us.We love our children.When you think you cannot fall in love again,The next love is right behind you...
The earth moves around the sun. It takes about 365 days to make one circle. What does the earth do? A. It moves around the moon. B. It moves around the sun. C. It stands still. 相关知识点: 试题来源: 解析 B。解析:地球绕着太阳转,大约 365 天转一圈,B 选项正确。地球不是绕着...
How often does the International Space Station circle the Earth? What is the period of rotation of Earth in seconds? About how long does it take the sun to rotate once about its axis? How long does it take for the Sun to rotate on its axis? How often does the sun's solar cycle occ...
(1) ①People probably weren't as interesting before electricity was discovered as they are today. ②They had many fewer contacts with others outside their immediate circle because printed matter wasn't so widely circulated, and radio and television weren't invented. ③They knew nothing about th...
The inclination of Earth's rotational axis varies between 22.1 and 24.5 degrees over a period of about 41000 years, and this has been the case for at least 50 million years. So take an approximate average value 23 degrees: the North celestial pole goes around in a circle in the sky 23 ...
You will hear the talk ONLY ONCE. You now have 1 minute to read Question 1 to 10.Questions 1 to 10:{{/I}} The virus stays inactive in the nerve roots for some time and then reactivates again like a circle. {{B}}Part A{{/B}}{{I}} You will hear a lecture about shingles, ...