EarthSky Tonight—August 19, Venus’ greatest

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org Because the planet Venus circles the sun inside of Earth’s orbit, Venus can never appear opposite the sun in Earth’s sky – like the moon does at full moon. In fact, Venus cannot even get as far as 90 degrees from the sun – as the moon does at its first and last quarter phases. As seen from Earth, Venus stays closely tethered to the sun. These next few evenings, however, will find Venus at the end of its tether, at 46 ... Full Story