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  • Malaysia's leader said on Saturday communications aboard a missing jet were switched off and its course deliberately changed by someone on board before the aircraft disappeared a week ago, but stopped short of saying it had been hijacked.

  • Ukraine braced on Saturday for a breakaway vote in Crimea as deadly violence flared again in the ex-Soviet country's tinderbox east amid the biggest east-west showdown since the Cold War.

  • Finally, the TRS chief K Chandrashekhara Rao has broken his silence over possibility of an alliance with the Congress in Telangana. After saying a firm 'no' to merger with the Congress, KCR has now ruled out any alliance with the Congress in both Assembly and Lok Sabha elections to be held on April 30.

  • The Bharatiya Janata Party's much anticipated list of Lok Sabha candidates is expected shortly which will end the the suspense over who will contest from Varanasi - its prime ministerial candidate Narendra Modi or party veteran Murli Manohar Joshi.

  • The Delhi High Court has confirmed death penalty to all four convicts of the December 16 Delhi gangrape and murder case. The four were convicted in September 2013 for raping and murdering a 23-year-old paramedical student.

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    Home >> Social Studies >> Parelles And Meridians

    Parelles And Meridians

    Parallels- The full circles that run from east to west are called lines of latitude or parallels. Parallels are drawn from east to west.They are parallels so they donot cross each other. They are 181 in number.They are set of full circle.They help us in calculating the temperature of a place.They are also called latitude.


    Meridians- The word meridian comes from the Latin word meridies which means midday.It is from the word meridian that we get words such as ante meridiem am meaning before noon and post meridiem pm meaning afternoon. Meridians are drawn from north to south. They meet at the poles.They are 360 in number.They are a set of semi-circle.They help in calculating the location of a place.They are called longitude.


    Prime Meridian- The meridian passing through the Greenwich is named as Prime Meridian.It is marked as 0 degree.It is the starting point of all the meridians.We can calculate the time of the place.


    Axis- Imaginary line passing through two extreme point on a sphere.


    Equator- The longest parallel which divides the earth into two equal parts.


    Grid- The network of parallels and meridian on the globe which help us to locate places.


    Northern Hemisphere- Part of the earth which is towards the north of the equator.

    Southern Hemisphere- Part of the earth which is towards the south of the equator.

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