A solar eclipse occurs when a portion of the Earth is engulfed in a shadow cast by the Moon which fully or partially blocks sunlight. This occurs when the Sun, Moon and Earth are aligned. In a total eclipse, the Sun is fully obscured by the Moon. In partial and annular eclipses, only part of the Sun is obscured. A lunar eclipse occurs when the Moon moves into the Earth's shadow. This can occur only when the Sun, Earth, and Moon are exactly or very closely aligned , with Earth between the other two. A lunar eclipse can occur only on the night of a full moon.
സൂര്യഗ്രഹണം സംഭവിക്കുന്നത്, ഭൂമിയുടെ ഒരു ഭാഗം ചന്ദ്രൻ എറിഞ്ഞ നിഴലിൽ മുഴുകുമ്പോൾ സൂര്യപ്രകാശത്തെ പൂർണ്ണമായോ ഭാഗികമായോ തടയുന്നു. സൂര്യനും ചന്ദ്ര...
Central Building Research Institute: Roorkee (UP).
Central Drug Research Institute: Lucknow (UP).
Central Food Technological Research Institute: Mysore.
Central Leather Research Institute: Chennai.
Central Mining Research Station: Dhanbad (Bihar).
Central Road Research Institute: New Delhi.
Indian Institute of Petroleum: Dehra Dun (Uttaranchal).
National Aeronautical Laboratory: Bangalore.
National Chemical Laboratory: Pune.
National Environment Engineering Research Institute (NEERI): Nagpur.
National Institute of Oceanography: Panaji (Goa).
National Physical Laboratory: New Delhi.
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abdication : voluntary giving up of throne in favour of someone.
agenda : a list of headings of the business to be transacted at a meeting.
alimony : allowance paid to wife on legal separation.
almanac : an annual calendar with positions of stars.
altruist : one, who considers the happiness and well-being of others first.
amateur : a man who does a thing for pleasure and not as a profession.
ambidexter : one, who can use either hand with ease.
amphibian : animals which live both on land and sea.
amputate : to cut off a part of a person's body which is infected.
anarchist : one, who is out to destroy all governance, law and order.
anthology : a collection of poems.
anthology : a collection of poems.
anthropologist : one, who studies the evolution of mankind.
aquatic : animals/plants which live in water.
arbitrator : a person, appointed by two parti...