04 janeiro 2017
James Shields (1878 - 1920) is the only person to serve in the...
James Shields (1878 - 1920) is the only person to serve in the US Senate for 3 different states – Illinois, Minnesota, and Missouri.
January 4th 1948: Burmese independenceOn this day in 1948,...
January 4th 1948: Burmese independence
On this day in 1948, Burma declared independence from the United Kingdom, having been colonised in the nineteenth century after a series of Anglo-Burmese wars. The country’s first Prime Minister, Ba Maw, came to power in 1937 and advocated for greater self-rule for the colony, thus fueling an independence movement. In 1940, the Burma Independence Army was formed by revolutionary Aung San. During World War Two, the Japanese occupied the country, leading to a violent struggle with the Allies to reclaim Burma, with Burmese fighters on either side of the conflict. At the end of the war, Aung San emerged as the leader of a transitional government to oversee the nation’s independence, securing an agreement with British Prime Minister Clement Attlee in January 1947 guaranteeing Burma’s independence within a year. Despite Aung San’s assassination by a group of political rivals in July 1947, which was allegedly backed by the British, his dream was fulfilled on January 4th 1948, when Burma became an independent nation. Aung San is still remembered as the father of the nation, and his daughter Aung San Suu Kyi is a Nobel Peace Prize-winning politician. Upon independence, Sao Shwe Thaik became Burma’s first President, and U Nu its Prime Minister. This day is celebrated every year in Burma to commemorate the day the nation achieved independence from colonial rule.
Cientistas encontram a fonte da mensagem mais misteriosa no universo
18 sinais rápidos de rádio têm sido um completo mistério para os cientistas desde que o primeiro foi “ouvido” em 2007. Um sinal misterioso, entretanto, foi finalmente rastreado até sua origem.
Ninguém sabe de onde poderiam ser provenientes ou como eles podem ser acionados, as especulações vão desde uma grande estrela, jatos de materiais empurrados por buracos negros – ou mesmo extraterrestres.
O primeiro FRB (ondas de rádio poderosas mas muito curtas, que duram não mais do que um milissegundo) foi encontrado pelo telescópio australiano Parkes em 2007. Desde então, 17 foram ouvidos, mas apenas um deles foi ouvido repetidamente.
A explosão repetida foi estudada durante seis meses, permitindo aos cientistas encontrarem sua posição exata no céu. Parece estar vindo de uma pequena galáxia anã há mais de três bilhões de anos-luz de distância, disseram cientistas.
“Antes de sabermos a distância de qualquer FRBs, várias explicações são propostas para suas origens. Agora descartarmos essas explicações, pelo menos para este FRB”, disse Dr. Shriharsh Tendulkar, membro da equipe da Universidade McGill, em Montreal, Canadá.
O que produziu o FRB permanece desconhecido.
The Letter That Created A Kingdom
In 1165, a letter arrived with the Byzantine emperor. It was from a great king in the East, a Presbyter (or Prester) John, who ruled over a vast and perfect Christian kingdom. In the letter, he claimed to be dedicated to the defeat of Islam and offered help in the crusades. Copies of the letter were made for the pope and the Holy Roman Emperor. This was not the first people had heard of Prester John, but it was the first time it was widely believed. Copies and more copies were made, circulating around Europe, each adding their own embellishments.
The second crusade had ended recently, and quite badly for the Christian armies. Something like Prester John was just the thing to revive that Crusading zeal. Of course he was not real, but the legend persisted for centuries. Today it seems likely that the letter was created by the Holy Roman Emperor, Frederick Barbarossa, to destabilize the papacy.
Hues in a Crater Slope
Impact craters expose the subsurface materials on the steep slopes of Mars. However, these slopes often experience rockfalls and debris avalanches that keep the surface clean of dust, revealing a variety of hues, like in this enhanced-color image from NASA's Mars Reconnaissance Orbiter, representing different rock types.
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