Two Outreaches This Week

Wednesday, November 9th at:
Lincoln School in Colton
Setup: 4:30 pm 
Viewing from 5:00 to 6:30 pm
Moon is a waxing gibbous
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Thursday, November 10th at:
Terrace View School in Grand Terrace
Setup: 4:30 to 5:00
Viewing from 5:30 to 7:00 pm
Moon is a waxing gibbous
 

Partner News

One Incredible Galaxy Cluster Yields Two Types of Gravitational Lenses

There is this great idea that if you look hard enough and long enough at any region of space, your line of sight will eventually run into a luminous object: a star, a galaxy or a cluster of galaxies. In reality, the universe is finite in age, so this isn't quite the case. There are objects that emit light from the past 13.7 billion years—99 percent of the age of the universe—but none before that. Even in theory, there are no stars or galaxies to see beyond that time, as light is limited by the amount of time it has to travel. But with the advent of large, powerful space telescopes that can collect data for the equivalent of millions of seconds of observing time, in both visible light and infrared wavelengths, we can see nearly to the edge of all that's accessible to us. [PDF]

 

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