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What evidence do we have that all parts of the
universe are expanding? How is this expansion
related to the measurement of distance to
remote parts of the universe?
我们有哪些证据表明宇宙的各个部分都在膨胀？这种膨胀如何与测量遥远宇宙部分的距离有关？
What is the 3K background radiation? What is its
significance to the modeling of the formation of
the universe?
什么是3K背景辐射？它对宇宙形成模型的意义是什么？
Why is the relative abundance of hydrogen and
helium considered to be such an important part of
the modeling of the universe?
为什么氢和氦的相对丰度被认为是对宇宙建模如此重要的部分？
What has led to the close cooperation between those
who study the very smallest things (quarks, leptons)
and those who study the very largest things (galaxies,
quasars)?
是什么促成了研究最微小事物（夸克、轻子）的人与研究最宏大事物（星系、类星体）的人之间的紧密合作？
How did the sun come to be?
太阳是如何形成的？
What will happen to the sun?
太阳会发生什么？
How does the sun process compare with other stars?
太阳的处理过程与其他恒星相比如何？
Is there really such a thing as a black hole?
真的存在黑洞吗？
How did the heavy elements form?
重元素是如何形成的？
What is a quasar?
什么是类星体？
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