2015-03-25 BBC:星光七纪元-19
时间：2019-01-23 作者：英语课 分类：探索与发现2015年
Arcturus is a red giant star, very easy to find, the tail of the *, the tail of the big bear, you follow that and you reach the star Arcturus, so it is a way following the big bear as a bear taker which is what Arcturus means.
Surprisingly Arcturus's striking 1 colour is not because it's hotter, but because it's cooler, as the balance between the opposing forces of gravity and nuclear fusion 2 breaks down, the size of the star changes, red giants expand, their fiery 3 energy spreading over a large area which makes their temperature drop, they fall from blue or white hot to red hot, but because they are so large, these stars are still some of the brightest in the sky.
That is Arcturus, when we see red stars like Arcturus in the sky, no doubt in many many civilizations in the past, they had some associations with the stars and something that happens.
Each star has its own distinct 4 personality as it creates effects according to its character, when Arcturus rises it is nearly always accompanied by a terrible hail 5 storm.
- There is a striking difference between Jane and Mary.简和玛丽之间有显著的差异。
- What is immediately striking is how resourceful the children are.最令人注目的是孩子们的机智聪明。
- Brass is formed by the fusion of copper and zinc. 黄铜是通过铜和锌的熔合而成的。
- This alloy is formed by the fusion of two types of metal.这种合金是用两种金属熔合而成的。
- She has fiery red hair.她有一头火红的头发。
- His fiery speech agitated the crowd.他热情洋溢的讲话激动了群众。
- I had the distinct impression that I was being followed.我清楚地感觉到有人跟踪我。
- The party split into two distinct groups.该党分裂成两个截然不同的团体。