What is the one reason astronomers make long time exposures？A．To spend less time at their

What is the one reason astronomers make long time exposures？

A．To spend less time at their telescopes.

B．To overcome the problem of weak light.

C．To take more photographs.

D．To photograph astronomical objects without using a telescope.

请帮忙给出正确答案和分析，谢谢！

参考答案

您可能感兴趣的试题

One reason why colleges increase tuition and fees is that the state support is shrinking.A

答案解析
What is the lecture mainly about？A．How astronomers found the correct interpretation for a

答案解析
According to the lecture, what is one possible reason that displacement activities are oft

答案解析
What can we learn from the last but one paragraph？A．The reason why seniors put money into

答案解析
One of the biggest reasons is that the cultural

答案解析
One of the biggest reasons is that the cultural

答案解析
One of the biggest reasons is that the cultural 【

答案解析