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Total Lunar Eclipse Live From Y2K's Window
- Thread starter Y2K
- Start date
Schematic diagram of the shadow cast by the Earth. Within the central umbra shadow, the Moon is totally shielded from direct illumination by the Sun. In contrast, within the penumbra shadow, only a portion of sunlight is blocked.
As seen by an observer on Earth on the imaginary celestial sphere, the Moon crosses the ecliptic every orbit at positions called nodes twice every month. When the full moon occurs in the same position at the node, a lunar eclipse can occur. These two nodes allow two to five eclipses per year, parted by approximately six months. (Note: Not drawn to scale. The Sun is much larger and farther away than the Moon.)
As viewed from Earth, the Earth’s shadow can be imagined as two concentric circles. As the diagram illustrates, the type of lunar eclipse is defined by the path taken by the Moon as it passes through Earth’s shadow. If the Moon passes through the outer circle but does not reach the inner circle, it is a penumbral eclipse; if only a portion of the Moon passes through the inner circle, it is a partial eclipse; and if entire Moon passes through the inner circle at some point, it is a total eclipse.
දැන් අපෙ දුවලා පුතාලාට හිතෙන්න පුලුවන් කොහොමද මේ හද රතු පාට වෙන්නෙ කියාලා ..... එක වෙන්නෙ මෙහෙමයි
This diagram shows how the moon appears reddish orange during a lunar eclipse.
This diagram shows how the moon appears reddish orange during a lunar eclipse.
Between 1901 and 2100 there are the maximum of 7 eclipses in:[7]
4 (penumbral) lunar and 3 solar eclipses: 1908, 2038.
4 solar and 3 lunar eclipses: 1917, 1973, 2094.
5 solar and 2 lunar eclipses: 1934
Excluding penumbral lunar eclipses, the maximum 7 eclipses have occurred in:[8]
1591, 1656, 1787, 1805, 1917, 1935, 1982, and 2011
4 (penumbral) lunar and 3 solar eclipses: 1908, 2038.
4 solar and 3 lunar eclipses: 1917, 1973, 2094.
5 solar and 2 lunar eclipses: 1934
Excluding penumbral lunar eclipses, the maximum 7 eclipses have occurred in:[8]
1591, 1656, 1787, 1805, 1917, 1935, 1982, and 2011
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