how did GALAXIES form?Questions the formation of the galaxy. Description of the universe; Information on discoveries and studies of stars; Discussion on the formation of black holes.Astronomy
Loeb Abraham - How did the First Stars and Galaxies Form 星级: 210 页 First Stars II 星级: 30 页 the first stars where did they form 星级: 8页 the first stars 星级: 12 页 From the first stars to the first galaxies 星级: 5页 Loeb...
以3D打印技术、云计算等为代表的“第三次工业革命”正在以科技推动世界。3D打印设计的计算机和机器人或将成为灵巧的生产工厂，以全新方式进行生产制造。中科院重庆分院近日研发出国内首个3D打印并联机器人。它可完成直径220毫米的物品制造，精密度比较高，1个这样的机器人造价才10余万元。此类机器人不仅可打印大...
amateur astronomers today have devices like large telescopes, CCDs and spectroscopes commercially available to them at relatively low cost. Therefore, amateurs can do the same types of measurements and stellar research that used to be done by professionals alone. ...
so from the length of those intervals we were able to calculate their natural brightness.This told us how distant they were-and many turned out to be very, very far away.So we can be sure that the spiral nebulae really are very distant galaxies, which is what some eighteenth-century astro...
According to the lecture, how did distant galaxies appear to eighteenth-century astronomers? A.Like the moons of planets B.Like small clouds C.Like variable stars D.Like bright points of light查看答案更多“According to the lecture, how did distant galaxies appear to eighteenth-century astronomer...
aBut scientists have discovered many other galaxies in the universe. They are a long way away and their light has travelled for many years to reach us. it ishard to understand how large the universe is. 但科学家在宇宙发现了许多其他星系。 他们是长的路,并且他们的光移动许多年到达我们。 它...
But to your point, they don't seem to present how their ideas would help form galaxies a little earlier than expected. Unclear Engineer said:So, it is only an assumption that this model can explain "the early formation of large galaxies in the infant universe".Right. I don't see why ...
or galaxies exert varying gravitational, or tidal, forces on each other that cause the objects to elongate. In the tidal hypothesis, another star happened to pass close by the Sun, and the star's tidal forces drew a long filament (threadlike formation of matter) out of the Sun. The filam...
down, so we can’t any longer rely on our ordinary understanding of cause and effect either. Despite this, all candidate theories of quantum gravity describe something physical that was going on in the Planck epoch – some quantum precursor of ordinary space and time. But where didthatcome ...