当星星爆炸时supernova(超新星)is the spectacular death of astar. When a massive star is young, it is hot, bright,and blue. Its center makes energy the same way the Sundoes. This nuclear reaction creates energy that heats thestar and makes it shine. The outflow of huge amounts ofenergy-...
A black hole is created when a large star burns out.Like our sun, stars are unbelievably hot furnaces(熔炉)that burn their own matter as fuel. When most of the fuel is used up, the star begins to die.The death of a star is not a quiet event. First there is a huge explosion. As...
it cools off. This causes the pressure to drop. ... The collapse happens so quickly that it createsenormous shock wavesthat cause the outer part of the star to explode!
What happens when a star becomes a supernova? What begins the process of solar system formation? What process changes a protostar to a full fledged star? What are the stages of stellar death? How does a nebula become a protostar? What is the cycle of the making of a star? What is it...
10. How does David feel about the divorce of his parents?? A.He feels a sense of anger. B.He has a sense of sadness.? C.It helped him grow up. D.It left no effect on him. ?? SECTION C NEWS BROADCAST Question 11 is based on the following news. At the end of the news item...
billions of times the mass of our sun,Scientists believe supermassive black holes may be connected to the formation of galaxies, as they often exist at the center of the mass star stems but it is still not clear exactly how, or which form first.(1)Why does the writer write the article?
possibly even being the super rich Robin Masters who supposedly owned everything. (This was an afterthought and the writers couldn’t quite paper over a few plot holes, but what would be cooler than a wealthy nerd pretending to be his own employee?) Higgins had exquisitely trained death dogs...
The spectrum of autonomy in the definition of AWS. Authors’ own figure. The figure does not aim to differentiate between different categories of weapons. It distributes them along the spectrum of autonomy. This is why one specific category may appear in several sections (e.g. drones, i.e....
What does this mean? In order to have a successful early stage channel, youneed narrative and evergreen content to grow subscribers and watch hours.As your channel grows, this blend will naturally change as your audience views for your story and you will become less reliant on the transactiona...
This can probably be said for any large quadrupedal reptilian creature seen in the Star Wars universe. They may not look exactly like dinosaurs, but they’re body structures are obviously based on them, and that foot in reality does give them a level of credence. Even the infamous Krayt Dra...