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All-skyscape of the Milky way taken 5,100 meters above sea level, from the Chajnantor Plateau in the Chilean Andes [1300x1300]


Happy 15th Birthday Chandra X-Ray Observatory

Fifteen years ago, NASA’s Chandra X-ray Observatory was launched into space aboard the Space Shuttle Columbia. Since its deployment on July 23, 1999, Chandra has helped revolutionize our understanding of the universe through its unrivaled X-ray vision.

Chandra, one of NASA’s current “Great Observatories,” along with the Hubble Space Telescope and Spitzer Space Telescope, is specially designed to detect X-ray emission from hot and energetic regions of the universe.

With its superb sensitivity and resolution, Chandra has observed objects ranging from the closest planets and comets to the most distant known quasars. It has imaged the remains of exploded stars, or supernova remnants, observed the region around the supermassive black hole at the center of the Milky Way, and discovered black holes across the universe. Chandra also has made a major advance in the study of dark matter by tracing the separation of dark matter from normal matter in collisions between galaxy clusters. It is also contributing to research on the nature of dark energy.

Chandra orbits far above Earth’s X-ray absorbing atmosphere at an altitude up to 139,000 km (86,500 mi), allowing for long observations unobscured by Earth’s shadow. When it was carried into space in 1999, it was the largest satellite ever launched by the shuttle.

To celebrate this incredible instrument’s 15th birthday, the Sifter has compiled 15 standout photos Chandra helped capture over the years.Click here to see the complete Chandra X-ray Observatory gallery on Flickr.


  1. The Rise of the Titan
  2. Meteor Garden
  3. Magnificent Bromo

All photos by Franciscus Tan

(Source: visualechoess)


Happy birthday, Jose Celso Barbosa!
Dr. José Celso Barbosa (July 27, 1857 – September 21, 1921) was a physician, sociologist, and political leader of Puerto Rico. Known within Puerto Rico’s New Progressive Party as “The father of the Statehood for Puerto Rico movement,” Barbosa was also the first Puerto Rican to earn a medical degree in the United States.
Barbosa was born in the city of Bayamón, Puerto Rico; he received both his primary and secondary education in Puerto Rico. He was the first person of mixed black and white ancestry to attend Puerto Rico’s prestigious Jesuit Seminary. After graduating from the Seminary, Barbosa tutored private students to save money to attend college. In 1875, he moved to New York to attend prep school where he learned English in a year.
Originally Barbosa wished to become a lawyer, but after a bout of pneumonia in New York City, his doctor recommended that he study medicine instead. In 1877, he was admitted to the medical school of the University of Michigan, where he graduated valedictorian of the class of 1880. He returned to the island where he set up his practice in his native hometown.
The Spanish government did not recognize Barbosa’s medical degree as it was not from one of the European universities. It took the intervention of the American consul to the island for Barbosa’s degree to be recognized. Barbosa was the first person in the island to earn a medical degree in the United States. He practiced medicine all over the island, and introduced the novel idea of employers paying a fee for the future health care needs of their employees (a very early health insurance system). In 1893, Barbosa founded the first Puerto Rican cooperative and named it El Ahorro Colectivo.
Barbosa was a member of the Autonomous Party led by Román Baldorioty de Castro but left because of ideological differences.
In 1898, when the United States bombarded and blockaded San Juan during the Spanish–American War, Barbosa together with other doctors who lived in Bayamon, traveled to the town of Cataño and boarded a ferry headed towards San Juan. Barbosa, as member of the Red Cross, went to the aid of the wounded Puerto Rican and Spanish soldiers. The ferry trip which crossed San Juan Bay was dangerous due to cannon fire. Barbosa and those with him were recommended by the Spanish government to be decorated with the Cruz de la Orden del Mérito Naval (The Cross of the Order of Naval Merit) for their bravery.
On July 4, 1899, Barbosa formed the pro-statehood Puerto Rican Republican Party as a reaction to the outcome of the Spanish-American War, in which Puerto Rico became a territory of the United States; he became known as the father of the “Statehood for Puerto Rico” movement.
On June 5, 1900, President William McKinley named Barbosa, together with Rosendo Matienzo Cintrón, José de Diego, Manuel Camuñas and Andrés Crosas as part of an Executive Cabinet under U.S. appointed Governor Charles H. Allen. The Executive Cabinet also included six American members. Barbosa served on the Executive Cabinet until 1917 and as a member of the first Puerto Rican Senate from 1917 to 1921. In 1907 he established the newspaper El Tiempo, the first bilingual newspaper on the island.
José Celso Barbosa died in San Juan on September 21, 1921. He was laid to rest in Santa Maria Magdalena de Pazzis Cemetery in Old San Juan. His daughter Pilar Barbosa became a renowned historian, the Official Historian of Puerto Rico from 1993 to 1997, and a political activist who carried on her father’s work.
In honor of Barbosa’s accomplishments, Puerto Rico has declared his birthday, July 27, an official holiday. Barbosa’s house in Bayamón has been converted into a museum where many of his awards, certificates, books and other artifacts of interest are on exhibit.
On August 1, 2006, President George W. Bush signed Public Law 109-253, the Dr. Jose Celso Barbosa Post Office Building Designation Act, to designate the facility of the U.S. Postal Service at 100 Avenida RL Rodriguez in Bayamon, Puerto Rico, as the Dr. Jose Celso Barbosa Post Office Building.

Words of Emotion

Yes! Park Jungwoo finally got his girl♥

(Source: heecorner)

"Have you ever had that feeling— that you’d like to go to a whole different place and become a whole different self?"

- Haruki Murakami, The Wind-Up Bird Chronicle (via wordsnquotes)

(via wordsnquotes)


 Night Watchman’s Journal <야경꾼일지/Yagyungkkoonilji >

Featuring: Jung Il woo, Yunho, Go Sung hee, Seo Yeji, Yoon Taeyoung, Kim Sung oh

Pilot date: August 4 (2014)

Street to Palacio Santa Catalina(la fortaleza), Old San Juan, Puerto Rico. #puertorico #street #oldsanjuan #sanjuan #nofilter #lafortaleza