October 21, 2019

Astro-Event: A Spectacular Dawn Appulse.

Venus versus Regulus: the view on October 3rd.

(All simulations created by the Author in Starry Night).

It’s a question we have posed before, worthy of a sequel to Arthur Upgreen’s alternate astronomy book Many Skies; what would Venus look like if it had a moon? As a kid, I remember a science book on the solar system looking back at the Earth-Moon system from Venus, assuming that you could get above the cloud tops. At greatest elongation, Earth’s Moon would be 9’ arc minutes from the planet’s -3.6 magnitude disk this month and would itself shine at +0.5 magnitude… what a view that would be! [Read more...]