The Sun will have become a white dwarf star. The core will shrink, giving off the last of its energy, and the Sun will finally die. 题目 收藏 1234567891011121314 9.Why does the author ask the question "What will happen when the Sun dies?" ? A.To identify the most serious question ...
When a star like the Sun has burned all of its hydrogen fuel, it expands to becomea red giant. This may be millions of kilometres across - big enough to swallow the planets Mercury and Venus. After puffing off its outer layers, the star collapses to form a very dense white dwarf. Whic...
When did Pluto become a dwarf planet?Question:When did Pluto become a dwarf planet?Dwarf Planets:There are eight planets in our Solar System and a huge number of dwarf planets. A dwarf planet is one that has not cleared its own orbit, because it lacks the mass needed to sweep aside all...
from Chapter 16 / Lesson 13 9K When a star dies, it may end its life in one of two ways: as a supernova remnant or as a neutron star. Explore stellar death and rebirth, learn how to define a stellar remnant, and discover how e...
The Sun will have become a white dwarf star. The core will shrink, giving off the last of its energy, and the Sun will finally die. 9.Why does the author ask the question "What will happen when the Sun dies?" ? A. To identify the most serious question concerning star death that ...
What will happen when the sun dies? The sun will end its life as a white dwarf. As awhite dwarf, it is essentially a dead star that has exhausted all of the nuclear fuel that it is capable of burning. As a white dwarf, it will slowly cool and fade away to lower and lower tempera...
The sun's upper layers will expand and lose material, and eventually the core will cool enough to become a white dwarf star, and finally a black dwarf. W: So we're pretty much doomed. M: Yes, but not for billions of years. Who knows? By then humans might be living on another ...
The dream that Apollo 11 was the first step in Human presence being established elsewhere dies hard among those of us who treasure our recall of that magic time. It is a dream for a time when Ability meets Will, a realization of a potential we will always know can be done because it ...
爱德华·托马斯(Philip Edward Thomas,1878-1917),英国诗人、散文家、小说家。1878年3月3日生于伦敦南部的兰贝斯(Lambeth)。1905年,与妻子海伦住在肯特郡的埃尔瑟农场(Elses Farm),将其中一间屋子租给好友、威尔士诗人W.H.戴维斯(W.H.Davies,1871-1940)。1913年6月搬到汉普郡小村斯蒂普(Steep)居住,10月美国诗人...
What kind of star is Aldebaran? What does a white dwarf star look like? What kind of star is Proxima Centauri? What is it called when a star explodes? How big is Aldebaran? How fast do planetary nebula expand? What happens to a red giant star when it dies?