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We entered 2017 with a nice pairing of the planets of love and war in the sky. Venus and Mars were close together all through January. The Moon was right there too as the year began and it will work its way back to the planets – at least in our view – as the month ends January 31.

But the major astronomical event of 2017 will be a total solar eclipse. We have not had a total solar eclipse in the mainland U.S. since 1979.

It is two seasons away, but on August 21, 2017 the Moon will completely block the sun, and this solar eclipse can be seen across the United States.

But, you will have to be at the right place at the right time to see totality (when the sun is totally blocked by the moon). There is an area that is a narrow path about 75 miles wide between Oregon and South Carolina that will be prime viewing. You can view a detailed map of the eclipse online.  Perhaps, you should plan now for a little vacation in August to see the eclipse.

If that’s too far off to think about, or if you’re not ready to take an eclipse vacation, then here’s an alternative. On February 11, we will have a penumbral lunar eclipse. This is when the Moon enters the lighter shadow of the earth. But the effect is hard to notice and a lot less cool than the August event.

A total penumbral lunar eclipse dims the moon in direct proportion to the area of the Sun's disk blocked by the Earth. This comparison shows the southern shadow penumbral lunar eclipse of January 1999 (left) to the moon outside of the shadow (right) demonstrates this subtle dimming.

A total penumbral lunar eclipse dims the moon in direct proportion to the area of the Sun’s disk blocked by the Earth. This comparison shows the southern shadow penumbral lunar eclipse of January 1999 (left) to the moon outside of the shadow (right) demonstrates this subtle dimming.  Image via Wikipedia

 

 

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