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It takes about 500 seconds for sunlight to reach the Earth. This means that when the sun rises, the light that reaches the Earth is already 8 minutes and 20 seconds old. More »

www.reference.com Science Astronomy Our Sun

Light from the Sun travels 93 million miles, at a speed of 186,000 miles per second, to get to Earth in about 8 minutes and 20 seconds. People on Earth see the Sun as it was 8 minutes and 20 seconds ago. More »

www.reference.com Science Measurements

The length of time light from other stars needs to travel to reach the Earth varies greatly. While it takes light from the sun just over eight minutes to reach Earth, light from the farthest known galaxy has to travel fo... More »

www.reference.com Science Physics Optics & Waves
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The sun benefits the Earth in several ways, including giving the light animals see with or the energy needed to produce artificial light, the heat that makes life on Earth possible, and energy for plants to make food thr... More »

www.reference.com Science Astronomy Our Sun

Direct sunlight reaches the Earth's surface when there is no cloud cover between the sun and the Earth, while cloud cover causes indirect sunlight to reach the surface. In gardening, sunlight falling directly on the plan... More »

www.reference.com Science Astronomy Our Sun

The sun is important to Earth because it warms the seas, generates weather patterns, stirs the atmosphere and provides energy to growing plants. The plants are responsible for providing oxygen and food for life to exist ... More »

www.reference.com Science Astronomy Our Sun

In terms of radius, the Sun is about 109 times larger than Earth. The diameter of the Sun is approximately 864,948 miles while the diameter of Earth is only 7,926 miles. It is necessary to line up the Earth end-to-end 10... More »

www.reference.com Science Astronomy Our Sun