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The Venus Transit is Coming!

This post is a work in progress. Expect updates and expansions up until the event starts!   What’s this? If you haven’t already heard, the planet Venus is going to pass in front of the Sun from Earth’s point of view on June 5th and 6th. This is the last time you will be able to see this in your lifetime! Want viewing details? We have them all…   Highlights: Our Google Hangout on Air will start at ~2pm Pacific / 5pm [...]

Yuri’s Night in Edwardsville – Who Needs Dark (or Clear) Skies?

Astronomers are a determined bunch—especially the amateurs. In pursuit of dark, starry skies–and possibly the best view ever of the Whirlpool Galaxy–they drive for miles to escape city lights. They endure cold, hunger, and the occasional wild animal as they try to bag another deep sky object. Fervently hoping and praying that the clouds or dew will hold off for just one more hour, they scan the night sky with telescope, binoculars, and cameras. Fortunately, the scene wasn’t quite so [...]

Help remeasure the Solar System size

Measuring the size of the Solar System is remarkably hard. We can’t just roll out a tape measure and check our numbers twice. We can’t even just use the surveyor’s parallax method on any old day of the week. Until the advent of the laser and radar, the only way we could measure distances was to wait for specific alignments to occur, specifically, we had to wait for 1761 and 1769 Venus to Transits in front of the Sun. This year, [...]