The problem is dwarf galaxies are not as dense as the cold dark matter model says they should be.
问题在于矮星系并没有它们本应具有的冷暗物质的密度。
The problem is that dwarf galaxies are not as dense as the cold dark matter model says they should be.
问题在于矮星系并没有它们本应具有的冷暗物质的密度。
But certain things aren't detectable using conventional methods: black holes, for instance, or cold dark matter.
但是某些事物是不能用常规方法探测的，比如黑洞和暗物质。
应用推荐