「火星神曲」Just the Way You Are - Bruno Mars 布鲁诺·马尔斯 百万级装备试听【Hi-Res】 03:41 「水豚之歌」Capybara 卡皮吧啦 - Сто-ЛичныйОна-Нас, Betsy 百万级装备试听【Hi-Res】 01:59 「20周年」Everytime - Britney Spears 百万级装备试听【Hi-Res】 03:48 「泪目」...
i am a quick learner i am afraid we are fu i am all thumbs i am always amazed wh i am calling on behal i am ch i am definitely not t i am different from y i am done with you i am getting hungry j i am happy so touched i am hard as steel ge i am here to steal yo i...
If there is one high and one low tide, we speak of diurnal tides, while if there are two high and two low tides, these are called semi-diurnal tides. During diurnal tides, the excursion is minimal, while for diurnal tides, the difference in level can also be considerable. It also ...
000 years, since it is bright enough to be seen by the naked eye. You don’t need a telescope or even binoculars. In Roman mythology, it is the god of war, borrowed from the Greek god Ares. And ancientMesopotamian textsrefer to Mars as “the “star...
A supermoon needs two key ingredients to occur. The moon needs to be at its closest approach, or perigee, to the Earth in its 27-day orbit. The moon also needs to be at the full phase, which happens every 29.5 days when the sun fully illuminates the moon. Supermoons only happen a ...
Traffic should be better. Now, ourspans are too slow to carry large numbers of people, Mars-it takes months. However, our spaceships can travel at half the speed of light! It might take us two or three days to get to Mars. Mars pulls(拉) us much less than the earth. This will be...
Dinosaurs don't seem to have structures called respiratory turbinates, which are common in endothermic mammals. Since no one can study dinosaurs in the wild, it's unlikely that scientists will find conclusive proof supporting either argument any time soon. T. Rex: Scavenger or Pr...
(B)By the year 2100, we will live on Mars.Here is what life will be like.First of all, it will be easier for us to go out.Now our spaceships (太空飞船) are too slow to take large numbers of people to Mars. However,by 2100, it will take us two or three days to get to Mars...
The asteroid belt is a region of space between the orbits of Mars and Jupiter where most of the asteroids in our Solar System are found orbiting the Sun. The asteroid belt is estimated to contain between 1.1 and 1.9 million asteroids larger than 1 kilometer ...
24:04 So Kepler used Copernicus’s calculation of 687 days for the period of Mars. But didn’t Kepler discard Copernicus’s theory of circular orbits? Good question! It turns out that Copernicus’s calculations of orbital periods are quite robust (especially with centuries of data), and conti...