Eclipse Facts

Here are some of the facts about Eclipses.,

• Lunar eclipses can only occur during a full moon.
• Solar eclipses can only occur during a new moon.
• A Solar eclipse always occurs two weeks before or after a lunar eclipse.
• Eclipses very often occur in threes, alternating lunar, solar and lunar.
• The maximum time a lunar eclipse can last is 3 hours and 40 minutes.
• The longest time the Moon can stay in totality is 1 hour 40 minutes.
• The maximum time for a total solar eclipse is 7 minutes and 40 seconds.
• The maximum time for an annular solar eclipse is 12 minutes 24 seconds.
• Lunar eclipses can occur up to 3 times a year.
• Solar eclipses can occur at least 2 and no more than 5 times a year.
• Lunar eclipses are visible over an entire hemisphere.
• Solar eclipses are visible in a narrow path a maximum of 167 miles wide (269km.)
• At any geographic position on the Earth, a total solar eclipse occur an average of once every 360 years.
• The cycle of eclipses repeats every 18.6 years called the saros.
• The eclipse shadow moves at 2,000 mph at the Earth's poles and 1,000 mph at the Earth's equator.

How did water get into the coconut?

Coconut water is the endosperm part of the coconut plant. Endosperm is the most common nutritive tissue for the development of embryos in flowering plants. It supply nutrients to the growing embryo. The water is taken by all plants to prepare their food and for transporting the food throughout the plant body.

There are three types of endosperm and the coconut endosperm is a nuclear type in which theendosperm is found as a clear fluid in which float numerous nuclei of various sizes.

This fluid is compactly filling the embryo sac in which the embryo is developing.At a later stage gradually these cells and free nuclei start settling at the periphery of the cavity and layers of cellular endosperm start appearing. This forms the coconut meat. This meat is very tender enclosing the fluid content called coconut water. At this stage the nut is called tender coconut. The quantity of the cellular endosperm increases further by the divisions of the cells. In
mature coconut the liquid endosperm becomes milky enclosed by the cellular part called kernel and it does not contain free nuclei or cells.

Learn science through concepts

Science is an interesting subject when it is learned properly and especially through concepts. Now a days children lack interest in this subject because they don't really go deep into the concepts and simply by-heart the concepts for exam sake. Children should develop the tendency to compare the concepts they read in book with everyday activities in life which will develop the true interest towards the subject. When we really understand the concepts..we will definitely feel that science is an amazing thing..Schools should also focus on concept based teaching to create more interest towards the subject.