The Journey Outward

1. How did the Sun come to be?
   太阳是如何形成的？
Resources:

Gravitational collapse 引力坍缩

Hydrogen fusion 氢核融合

Main sequence 主序

2. What is the anticipated future of the Sun?
   太阳的未来会是什么样子？
Resources:

Sun's future 太阳的未来

Red giants 红巨星

White dwarfs 白矮星

3. How does the Sun process compared with other stars?
   太阳与其他恒星相比如何？
Resources:

Stellar evolution options 恒星演化的选项

Novae 新星

Neutron stars 中子星

Black holes 黑洞

4. Is there really such a thing as a black hole?
   真的存在黑洞吗？
Resources:

Black hole conditions 黑洞条件

Schwarzschild radius 史瓦西半径

Cygnus X-1 天琴X-1

Magellanic Cloud 大麦哲伦星云

5. How did the heavy elements form? Resources:

   Iron limit 铁的极限

   Supernova collapse 超新星坍缩

   Neutrino action 中微子作用

   重元素是如何形成的？资料：
6. What kind of problems exist with the "big bang theory"? Resources:

   Antimatter problem 反物质问题

   Galaxy formation problem 星系形成问题

   Horizon problem 视界问题

   Flatness problem 平坦性问题

   “大爆炸理论”存在哪些问题？资源: