Match the words at the left to the correct blanks in the sentences at right.
A camera is an example of an instrument used for IMAGING observations.

SPECTROSCOPY refers to telescopic observations in which we separate an object's light so we can measure its intensity at different wavelengths.

If we want to confirm that a star's brightness alternately dims and brightens, we need TIME MONITORING observations of the star.

The familiar twinkling of the stars is caused by ATMOSPHERIC TURBULENCE, which also blurs telescopic images.

Human civilization is responsible for what astronomers call LIGHT POLLUTION.

What was an important effect of blackstone's commentaries of the laws of england? a. people in england no longer had to pay taxes b. common law became more accessible c. judges were able to rule as they d. the rights of the accused were done away with.

Situation #2: imagine that you are a newspaper editor in columbus, oh in 1863. the civil war has been dragging on for more than two years already and shows no signs of ending soon. you are aware that many black males are willing to enlist in the union army but you fear that they may be mistreated and abused by the majority of soldiers on either side in this war. write a one-page letter (double spaced) editorial for tomorrow's edition of the newspaper. the topic is military service in the union army by free african american males. in your editorial, take a clear position for or against having black men join the fight. be sure to give reasons for whatever position you choose to take.

You swipe your debit card too many times. what additional charges should you expect?