The National Solar Observatory is a public research entity whose mission is to engage in the development of the knowledge of the Sun.
The institution is currently evoked to the construction of the Daniel K Inouye Solar Telescope, which is located on the island of Maui, in the State of Hawaii. The project started in January 2013.
The initial phase of the construction involved the civil works. Specifically the telescope housing, which was completed in September 2013.
The second phase involves the actual installation of the telescope. The first mirror, which has a thickness of 75 mm and a diameter of 12 meters was delivered to the site on August 2, 2017. The process is expected to conclude by early 2019, with the reception and further installation of the second mirror.
<span>The Cultural Revolution, formally the Great Proletarian Cultural Revolution, was a sociopolitical movement that took place in China from 1966 until 1976. Set into motion by Mao Zedong, then Chairman of the Communist Party of China, its stated goal was to preserve 'true' Communist ideology in the country by purging remnants of capitalist and traditional elements from Chinese society, and to re-impose Maoist thought as the dominant ideology within the Party. The Revolution marked the return of Mao Zedong to a position of power after the Great Leap Forward. The movement paralyzed China politically and negatively affected the country's economy and society to a significant degree</span>
Answer: An air battle above the English Channel to prepare for an invasion of Britain.
It was an aerial battle as the Germans sent their air force to drop bombs on Britain.
Many civilians lost their lives and various buildings were destroyed but thanks to the leadership of British Prime Minister Winston Churchill, the British people withstood the bombardment and the Royal Air Force fought back with U.S. support preventing Germany from conquering Britain.
It’s D because in the 1960 they sort of had a connection.