EarthSky Tonight—December 16, Jupiter at eastern

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org If you could look down on the solar system plane from outer space today, you would see that the sun, Earth and Jupiter form a 90-degree angle. Astronomers will say that Jupiter is at eastern quadrature – or 90 degrees east of the sun – today. Geometric markers such as these, for planets and moons in our solar system, are more than just academic. They indicate where you can find these bodies in our sky – and ... Full Story