The fact that twilight exists at all on Earth is due to ... than 6 degrees below the horizon, therefore Civil twilight stretches for nearly 5 hours from sunset to sunrise the next day – it ...

February brings a rare planetary parade, with five bright planets in clear view and a special alignment of Mercury and Saturn ...

Cell phone images are fine. Email it to [email protected]. The article Sunrise Sears The Horizon, Paints Clouds Across Sky: Photo Of The Day appeared first on San Mateo Patch.

Venus, the brightest planet we see from Earth, will reach its maximum brightness in the evening on the western horizon after ...