Effect of the Relative Positions of the Sun-Earth Tandem

• Weather - refers to the conditions of the lower atmosphere.
• Sun and Earth as they travel together in space. These two phenomena are seasons and eclipses
• Seasons - is the change that occurs on earth due to the changing position of the sun relative to the equator.
• Climate - the long term-weather conditions in a region has been given another name
• Climate - a state of the atmosphere with respect to heat or cold in a long period of time
• Solstice - the moment in the year when the sun's apparent path is farthest north or south from Earth's equator
• Solar eclipse - phenomenon that occurs when a portion of the earth is engulfed in a shadow cast by the moon which fully or partially blocks sunlight
• Eclipses - the darkening or dimming of one celestial object by another
• Season - the period of the year with a particular kind of weather or climate
• There are 4 climatic types in the Philippines
• The earth is tilted by 23 1/2° from the vertical
• Equinox - it is when the sun is directly overhead at the equator, days and nights have 12 hours each
• Lunar eclipses are even rarer. Sometimes not even one of the 12 full moons coincides with a lunar eclipse.
• One problem is the fact that the retina does not feel pain, so people will not know their retina has been burned until they noticed a blank spot in their sight
• Penumbra and Umbra - are the two Parts of the shadow of an ecplise
• Penumbra - a lighter outer part
• Umbra - a dark inner part
• Public Storm Warning Signals - A system that gauges the strength of any weather disturbance and alerts the public of it's possible effects
• PSWS #1 - Winds of 30-60kph may be expected in atleast 36 hours or intermittent rains may be expected within 36 hours
• PSWS #2 - Winds greater than 60kph UpTo 100 kph may be expected in at least 24 hours
• PSWS #3 - winds greater than 100kph up to 185kph may be expected in atleast 18 hours
• Sun disk - is completely covered by the moon
• PSWS #4 - very strong winds of more than 185 kph may be expected in at least 13 hours
• Summer Solstice - The most northern position of 23 1/2°N in the Northern Hemisphere
• Winter Solstice - the southernmost position or 23 1/2°S in the Northern Hemisphere
• Observations like these are behind such common expressions as: "A young woman might be as fickle as the weather" and "Ang buhay ay weather-weather lang."
• Weather Condition - sunny, rainy, cloudy, windy, stormy---may change day after day