洞穴
发表于 2025-3-26 21:58:00
Hubble’s Law and the Expanding UniverseIn the early 1900s, Vesto M. Slipher of the Lowell observatory in Arizona analyzed the spectra of many spiral nebulae.
MAG
发表于 2025-3-27 02:55:53
http://reply.papertrans.cn/24/2390/238933/238933_32.png
公猪
发表于 2025-3-27 06:29:52
http://reply.papertrans.cn/24/2390/238933/238933_33.png
Afflict
发表于 2025-3-27 11:22:32
The Quantum WorldModern physics began with two revolutions at the turn of the 20th century. The first revolution, which radically changed our concepts of space and time, was single handedly accomplished by Einstein with his special and general theories of relativity.
folliculitis
发表于 2025-3-27 16:31:32
The Hot Big BangIn an expanding universe, matter is diluted as the volume of the universe gets larger.
overshadow
发表于 2025-3-27 19:03:20
http://reply.papertrans.cn/24/2390/238933/238933_36.png
溺爱
发表于 2025-3-27 22:56:48
http://reply.papertrans.cn/24/2390/238933/238933_37.png
亲爱
发表于 2025-3-28 03:47:35
http://reply.papertrans.cn/24/2390/238933/238933_38.png
GLARE
发表于 2025-3-28 08:55:25
http://reply.papertrans.cn/24/2390/238933/238933_39.png
你不公正
发表于 2025-3-28 11:29:21
http://reply.papertrans.cn/24/2390/238933/238933_40.png