Stories Behind 4 Of The Rarest Pictures In The World

                                   

Jupiter's Aurora:

Jupiter auroras are caused by a game called “tug of war” fueled by volcanoes inside the innermost moon. The Hubble space telescope and NASA Juno spacecraft have revealed new evidence suggesting that Jupiter's rotation and the release of oxygen and sulfur from the volcano create an electric vibration which drives the powerful aurora observed around the gas giant poles on top of Jupiter. The reason for the aurora on Jupiter is due to the pulsating xray’s caused by the electromagnetic field. As the planet rotates it drags the X-ray surrounds the magnetic field, the magnetic fields are struck by the solid particles of the solar wind and compressed. The compressed heat particles are trapped inside the Jupiter magnetic field; this phenomenon is called an electromagnetic ion cyclotron(EMIC).

On The planet, auroras are noticeable just in a belt encompassing the attractive magnetic poles, somewhere in the range of 65 and 80 degrees latitude. Past 80 degrees, auroral discharge vanishes in the light of the fact that the attractive field lines here leave Earth and associate with the attractive field in the sun-oriented breeze, which is the consistent motion of electrically charged particles ejected by the Sun. These are called open field lines and

In the conventional picture, Jupiter and Saturn's high latitude polar locales are not supposed to transmit significant auroras.

They exist poleward of the real auroral belt, throb consistently, and can at times be different at the north pole from the south pole. These are ordinary highlights of a 'closed' magnetic field, where the magnetic field line leaves the planet at one shaft and reconnects with the planet at the other.

The Carving Of Mount Rushmore:

In 1923 looking to attract the eyes of tourists and to increase his economy of state, the south Dakota state historian Doane Robinson he enacted of creating a monument the the stone/ Granites at the cliff of Rushmore in black hills,he envisioned tribute to great leaders of the west suggesting that lakota sioux red cloud as a possibility The Proposal claimed a federal funding, finally Robinson selected sculptors Gutzon Borglum and architect to design and crave the monument. Borglum convinced Robinson that the sculptures of the leaders would attract more national attention than Red Cloud. Before settling on the final design of the monument, Borglum chose the stable summit of Mount Rushmore as his ideal location . This decision received immediate protests from American citizens.

 
The Treaty of Fort Laramie of 1868 had given the land around Mount Rushmore to the Lakota in perpetuity, but the federal government eventually took over the area after gold was discovered. Carving the faces of the chiefs of this government on a spiritually important mountain - known as The Six Grandfathers in Lakota - added insult to injury.

Their protest fell on unsympathetic ears, in any case, and the task pushed ahead. It was concluded that the figure would incorporate George Washington, Thomas Jefferson, Abraham Lincoln, and Theodore Roosevelt for their commitments to the establishment, development, and protection of the country. On October 4, 1927, the craving started.

The Construction Of The Eiffel Tower:

The construction of Eiffel tower began in January 26th 1887 with the digging of the tower foundation that was laid in four months. After in delay they started their work again on 1st of july during that time all the elements were prepared in Levallois Perret at the outskirts of paris. Almost 18000 pieces were used to construct the Eiffel tower which was specially designed and calculated with accuracy each of tenth of millimeter and they are combined together to form new pieces each pieces measuring about five meter’s.All the metallic pieces on the tower was built by rivet this was the well known construction technique that time.a rivet is nothing but a mechanical fastener composed of head on one end and the cylindrical stem on the other end which has a appearance of the metal pin.

Firstly the pieces were assembled on the particular site and pinned with bolts which was later replaced by the thermally assisted rivet to ensure tight fit.

A team of four men was needed for each rivet assembled: one to heat it up, another to hold it in place, a third to shape the head and a fourth to beat it with a sledgehammer. Only a 1/3rd of the 2,500,000 rivets used in the construction of the Tower were inserted directly on site.

The tower was built with wooden scaffolds and small hoists which were inserted inside the tower. A total of 12 temporary wooden scaffolds 30 meter in height and four larger scaffolds of 45m height were used to assemble the first floor.and the construction of second floor began on June1888, and above the second floor the middle floor began to construct on September 1888 and above the middle floor the last part of the Eiffel tower was constructed on December 1888.it just took two years two months and five days to build an complete Eiffel tower, the work began on January 26th 1887 to 31st march 1889.the assembly of the tower was marvel of precision as all the chroniclers of the period agreed.

On the top of the Eiffel platform Gustave Eiffel was awarded the Legion d’honneur. The total components of the Eiffel consists of 18063 metal parts,5300 workshop drawings,50 engineers and Draughtsman ,150 employed workers at the Levallois perret factory and 60 tonnes of paint,2500000 rivets and finally 7300 pieces of iron.

The First McDonald's outlet:

                           

McDonald’s, in full McDonald’s Corporation, American fast-food chain that is one of the largest in the world, known for its hamburgers, especially it’s Big Macs. Company headquarters are in Chicago.

The primary McDonald's café was opened in 1940 by siblings Maurice ("Macintosh") and Richard McDonald in San Bernardino, California. It initially was a drive-in that offered a wide choice of things. In any case, in 1948 the siblings chose to redo the business, and following a three-month redesign, a recently envisioned McDonald's opened. The little eatery was intended to deliver immense amounts of food at low costs. 

To accomplish this, the siblings restricted the menu — which just highlighted burgers, potato chips, beverages, and pie and fostered a basic, productive organization that they named the Speedee Administration system . This incorporated a self-administration counter that disposed of the requirement for waiters and waitresses and clients accepted their food rapidly on the grounds that cheeseburgers were cooked early, wrapped, and warmed under heat lights. These developments permitted the siblings to charge only 15 pennies for a fundamental cheeseburger, about a portion of the cost of contending cafés. McDonald's was an enormous achievement, and the siblings started an establishment program.

Written by: Purnimaa Alagappan