Chasing Comets: Wednesday, 2015-01-14, 18:00 UK time
The solar system is littered with Ice. The bulk of this material orbits quietly in the outer Solar System, but sometimes, something disturbs the ice and the come plunging in toward the Sun. In this Hangout, we will discuss comets, how we explore […]
On 5-6 June 2012, depending on where you are on Earth, there will be a transit of Venus, a rare phenomenon that is not to be repeated until December 11, 2117.
When a planet passes directly between earth and the sun, we see the planet as a small dot gliding slowly across the face of the sun. As you can grasp from the discription we can only see, from Earth, transits of Venus and Mercury.
Transits of Venus occur in pairs separated by eight years, followed by an interval of more than a century. The latest transits were on 1761, 1769, 1874, 1882 and on June 8, 2004. This will be the last opportunity of the century, and the last opportunity for the vast majority of humans alive today, where you can observe a transit of Venus.
So can you see the transit from were you are? Check out this map from F. Espenak, NASAs GSFC to find out.
(click on the image to get a large PDF version)