As Earth travels around the sun, it moves through phases much like the moon when seen from afar. The planet's oceans reflect a great deal of light, especially during the crescent phase. The same principle should apply to exoplanets, researchers say.
Washington DC (SPX) Sep 2014 - An increasing number of expensive, mission-critical satellites are launched every year into geostationary Earth orbit (GEO), approximately miles kilometers) above the Earth.
A glory is made of sunlight scattered back toward you. It’s much smaller than a rainbow, and it’s made by light scattered from the droplets of a cloud, instead of falling raindrops. Image via Wikipedia This looks like a picture I've taken a few yrs.
First ever image of Earth Taken by Mars Color Camera aboard India’s Mars Orbiter Mission (MOM) spacecraft while orbiting Earth and before the Trans Mars Insertion firing on Dec. Image is focused on the Indian subcontinent.