Answer / sandhya

Heavenly bodies belonging to solar system.Their orbits are
not elliptical like those of the planet but are highly
elongated.a comet has nucleus or head and a tail of gaseous
matter several thousands of miles long.

How did the Universe begin?

1 Answers  

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what is doppler effect?

1 Answers   Matrix,

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what is the structure of atomic nuclei and how do complex systems derive their properties from their individual constituents?

0 Answers   RRB,

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Are there new states of matter at ultrahigh temperatures and densities?

1 Answers  

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A wheel of perimetre 220cm rolls ona level road at a speed of 9 km per hr.how many revolutions does the wheel make per second?

1 Answers  

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what is the kepler's second law of planetary motion?

1 Answers   Google,

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What is gravity?

1 Answers  

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how the aspirator pump works?

1 Answers   NTPC,

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what is a geostationary satellite?what are its applications?

2 Answers   Geo Research Centre,

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what is coma?

1 Answers  

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what is the use of photometre?

1 Answers  

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How to caluculate the luminous efficiency?

1 Answers   Matrix,

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