aphelion
How Long Does It Take to Get to Pluto?
It's a long way out to the dwarf planet Pluto. So, just how fast could we get there? Pluto, the…
10 years ago
The Orbit of Earth. How Long is a Year on Earth?
Ever since the 16th century when Nicolaus Copernicus demonstrated that the Earth revolved around in the Sun, scientists have worked…
10 years ago
Happy (or is it Merry?) Aphelion This Friday
This 4th of July weekend brings us one more reason to celebrate. On July 5th at approximately 11:00 AM EDT/15:00…
11 years ago
See Mercury at its Greatest Elongation for 2013
A fine apparition of the planet Mercury graces the dawn skies this week, leading up to its greatest elongation from…
12 years ago