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The Solar Family:
Let us now take you on a journey across the universe. We begin from our planet EQrth. It is our home. The Earth is active, lush and fertile. It is a place of blue skies, vast *oceans, cool forests, a world full of life. Its surface is cloaked by an atmosphere in which 'we can breathe, and which keeps the Earth's temperature quite-constant. It spins or rotates on its axis and revolves around the Sun, completing one orbit in one year. The Earth is not alone. It has a companion on its travels, the Moon which orbits the Earth once in 27.33 days. But the Moon is airless, waterless and lifeless; it is a dead world. From the Moon, the Earth appears as a beautiful bluish-white planet. The Earth is not the only planet orbiting the Sun. There are eight other planets that orbit the Sun. The nine planets and their satellites togethkr with the Sun and many asteroids and comets make a family, the Solar System. The planets arc diverse in size, ranging from the giant Jupiter, efeven times the size of Earth, down to tiny Pluto, less than half the size of our planet. Each planet's distance from the Sun is different, Mercury being the nearest and Pluto, the farthest. They are all different from each other in many respects. But let's not dwell on the Solar
Kepler's Laws of Planetary Motion: Further support to the heliocentric model came from the work of Johannes Kepler at around the same time as Galileo's observations. Kepler, a
Now imagine a human resource (HR) manager at a corporation, struggling with the concept of reading comprehension among employees in the workplace setting, wanted to try the new stu
What is CEC The CEC of most soils increases with pH, below pH 6.0 the charge for clay mineral is relatively constant, while above pH 6.0 the charge on the mineral colloid incr
Explain the process of Freezing Freezing, as a method, is the easiest, most convenient and least time-consuming way of preserving foods. Freezing does not sterilize foods or d
what is the speed and velocity of a car that travels 32 meters to the east and 12 meters in the same direction? the total time of travel in 3.0 seconds
why don''t we have a crtical point on the solid liquid equilibrium line as we have on the liquid-vapour line...
Explain the Colour Blindness Normal individuals possess three cone pigments viz. red, green and blue which are referred to as tri-chromates. Colour blindness refers to the part
Granulocyte macrophage colony stimulating factor (GM-CSF): Stem cells obtained from the bone marrow are capable of giving rise to countable colonies of daughter cells in splee
Jupiter Jupiter is the largest planet of the Solar System. If Earth were placed on the face of Jupiter, it would look like a 50 paise coin on a dinner plate. It weighs mor
Explain Dyes for Measurement of Plasma Volume: A number of dyes, commonly known as 'vital dyes', have the ability to combine with proteins. When such a dye is injected into the
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