Astro-Challenge: Taming the Pup-Can You Glimpse Sirius B?

Credit:

Can you see it? Sirius B amid telescope diffraction spikes. Credit: NASA/McDonald Observatory.

Astronomy is all about thinking big, both in time and space.

The Earth turns on its axis, the Moon passes through its phases, and the planets come into opposition and solar conjunction on a routine basis.(…)
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© David Dickinson for Universe Today, 2014. |
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