题目内容
（请给出正确答案）
[主观题]
What did eighteenth-century astronomers have in common with astronomers today？A．They could
What did eighteenth-century astronomers have in common with astronomers today？
A．They could not explain everything they detected with their instruments.
B．They knew the correct distances of objects they could not identify.
C．Their instruments were not powerful enough to detect spiral nebulae.
D．They argued over the natural brightness of variable stars.
查看答案
如果结果不匹配，请 联系老师 获取答案
更多“What did eighteenth-century as…”相关的问题
