Kitt Peak is the oldest national observatory in America.
Milk Of Heaven
Cold gas and dust emits faint light in the submillimeter range, so to study this material we need good radio telescopes.
Radio Light Pollution
While we can’t see radio waves, radio astronomy also suffers from an increase of light pollution.
Radio Quiet Zone
If a typical mobile phone was placed on the surface of Mars, it would be the brightest radio object in the night sky.
Astronomy at the Edge of the Sky
In the mountains of Chile I experienced the brightest night sky I’ve ever seen.
The Chile Project
Half a century ago construction began on what would become the largest southern observatory of its time. It was known as the Chile project.
Hidden in the Dark
There are more nearby dwarf galaxies than we thought, and that may answer a mystery of dark matter.
To Sleep, Perchance to Dream
I’m exhausted. I didn’t write a post yesterday because I was traveling back from Chile to Rochester. Normally I would have had a pre-written post, but in the past 10 days I’ve been on seven airline flights, traveled thousands of miles, stayed up far too late looking at stars, learning new things about astronomy in Chile and meeting new friends. …
The Boy They Left Behind
The main site at ALMA is at an elevation of 16,400 feet. Roughly half the atmosphere is below you at that point, and oxygen levels are pretty low. It can have some minor adverse effects in the best conditions, and downright life-threatening effects in the worst. So you have to pass a basic physical on site, and if you don’t …
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