Category Archives: astronomy

My First Attempts at Astrophotography

So, I won a nice astronomical camera in a raffle at the recent AAS conference, and since there was a lunar eclipse last night, I wanted to try it out with my telescope to get pictures. This didn’t go as … Continue reading

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Sunday’s Total Lunar Eclipse

On the night of Sunday-Monday, January 20-21, there will be a total lunar eclipse. (Official NASA info.) This eclipse will be especially significant because it will be the first total lunar eclipse visible from most or all of North America … Continue reading

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Highlights from the AAS Conference

For the past week, over three thousand astronomers from all over the world (including yours truly) met in Seattle, Washington for the American Astronomical Society Winter Meeting, the largest astronomy conference in the world. Much science was announced and discussed, … Continue reading

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Heavy Metals in the Cosmos

The recent discovery of gravitational waves from the neutron star merger designated GW170817 is said to prove that heavy metals like gold are produced in this extreme environment and not in supernovae, as was long thought. The teams that discovered … Continue reading

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LIGO Discovers Colliding Neutron Stars and Cosmic Gold

(Virgo doesn’t, but that’s still a good thing.) The two LIGO observatories and Virgo are the world’s three operational gravitational wave observatories. These observatories use incredibly precise lasers to detect the ripples in spacetime caused by colliding massive objects like … Continue reading

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There’s a Solar Eclipse Tomorrow!

In case you’ve been living under a rock, there is a total eclipse of the Sun tomorrow, and it’s going to cross the entire continental United States! A solar eclipse is a once in a lifetime event. Any given location … Continue reading

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Days 3 and 4 at the #AAS230: Galaxies, Supernovae, and Space Weather

The famous Crab Nebula supernova remnant. The AAS Conference has concluded, but there’s still a lot of exciting science going on. Here are the big stories from the final day and a half. Sadly, I missed the first talk on … Continue reading

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