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The Sun is the most important star from our point of view. It is the only star close enough to be studied in considerable detail. The grandeur of the Sun is partly because of its size. Its diameter is almost 110 times that of the Earth. We can best visualise the volume of the Sun if we realise that more than a million earths can be dropped into the space it occupies. As we have said above, the mass of the Sun is about 2 X 1033 grams, which makes it more than 300,000 times the mass of the Earth. The average density of the Sun, i.e.. its mass per unit volume, is about 1.4 g/cm3.
Although the Sun appears to be unchanging, it rotates about its axis once every 25 days. From time to time dark patches appear on the surface of the Sun, usually in pairsor in groups. These dark patches are called sunspots. Their movement is an indication of the Sun's rotation. This fact was recognised for the first tiine by Galileo. Actually, a sunspatis a regiim cn the surface of the S& that consists of gases almkt 10000c cooler than those surrounding the area. The number of sunspots increases and decreases in a cyclc every 11 years. In the long term, there are periods of low number of sunspots and High'number of sunspots.
Q. List the main steps involved in the preparation of oil from oilseeds? The main steps involved in the preparation of oil from oilseeds are: preparation of the raw material,
You can present this assignment using the format of your choice, e.g. Poster, webpage, booklet, animation, short film etc. Select a chronic condition (Type 2 Diabetes) and develop
what are cells
In the following table state how gymnosperms are adapted for living on land with respects to each of the following aspects Aspect Adaptation for living on land Alternation of Gener
Define the Prolactin Prolactin is synthesized in lactotroph cells of anterior pituitary gland during pregnancy and during the entire period of milk production after the birth o
how can isolated brown dwarf passing between another star and the earth could be detected?
characteristics which help classify the members of the protozoan kingdom
Answer the following questions. Show all work. 1 . Carbohydrates = _____ kcals/g Proteins = _____ kcals/g Fats= _____ kcals/g Alcohol= _____ kcals/g Nitrog
Question 1 Define Hospital health information system. Explain its components. 2 Computerized medical information system allows more time to professionals for patient care. Expl
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