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Showing posts with label year. Show all posts
Showing posts with label year. Show all posts

Wednesday, July 18, 2012

Begins the summer, the longest season of the year

The start of summer is marked by the position of the Earth from the Sun.
The astronomical summer, the longest season of the year with 93 days and fifteen hours.
Summer astronomical longest season of the year with 93 days and fifteen hours, will officially start on Thursday at 09.01 hours of the morning hours between the mainland and phenomena that may consider include "meteor showers" delta Aquarius and the Presides.

Wednesday, July 11, 2012

The day of the year when the Earth is farther from the Sun


There was the phenomenon known as aphelion , which occurs each year between March and July 5. This means it is the day of the year when the sun is farthest from Earth.

Although visually it is imperceptible, with a special telescope experts can see that the sun looks smaller. Precisely, is 3 percent less than its normal size.

According to experts, the effects of this are changes in the tides and a possible decrease in solar energy , but has no effect on the climate, or severity of the Earth.