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Edwin Hubble was a world famous astronomer and physicist. His research on astrophysics helped modern time physicists in many respects. As a matter of fact, he created a sort of revolution in the field of astrophysics. His research works helped to prove that the existing universe is expanding. He also introduced a classification of the galaxies. Scientists used his methods for many decades.

Hubble born on 20 November in 1889. His father’s name was John Powell Hubble and mother’s Virginia Lee Hubble. He liked science fiction very much from his childhood. His interest towards science grew from his early days.

Edwin Hubble
Edwin Hubble

His family moved to Chicago when he was 10. He began to go to school there. He was very good at sports and athletics there. In 1906 he received a scholarship to study at University of Chicago. He achieved graduation in 1910. Then he went to Oxford and obtained a bachelor’s degree in jurisprudence.

At first, he took teaching in Indiana as a profession. Then he returned to Chicago University to study astronomy and later completed his Ph.D. He worked for the Mount Wilson Observatory to develop Hooker telescope.

Edwin Hubble, through his research- became able to prove that other galaxies are located outside of the Milky Way. He took various photos through the Hooker’s telescope and compared them with new methods. He also estimated that Andromeda Nebula was about 900,000 light-years away from the Milky way and it may have its own galaxy. Actually, his method was right, and the Andromeda was farther than his estimation. After that, scientists named it Andromeda Galaxy.

Hubble Telescope
Hubble Telescope

Hubble’s real and extraordinary merit came out when he researched about the redshifts of the light emissions of the galaxies. Soon after, he along with Milton Humason proved that the galaxies of the universe are moving away from each other. He achieved Medal of Merit for his research. The Big Bang theory, which is one of the most influential theories in astrophysics and cosmology- emerged from his research works.

Edwin Hubble Died on 28 September in 1953. Scientists and international scientific societies honor him as a great grandmaster even today. Additionally, there is a deep space telescope (Hubble Telescope) named after him.

Profile

Born: November 20, 1889, Marshfield, Missouri, United States
Died: September 28, 1953, San Marino, California, United States
Discovered: 1373 Cincinnati
Books: The realm of the nebulæ, The Nature of Science and Other Lectures
Awards: Legion of Merit, Bruce Medal, Gold Medal of the Royal Astronomical Society, Franklin Medal

Family

Spouse: Grace Burke (m. 1924–1953)

External Links

More Info of Edwin Hubble:

Wiki

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Carl Sagan was the classic hero of science culture during the 70’s and 80’s. He was an astronomer, astrophysicist, cosmologist, astrobiologist, author and science educator. His extraordinary work for Alien intelligence and life form still amaze science enthusiasts. Carl’s most celebrated work was the educational science TV show Cosmos: A personal Voyage.

Carl Sagan, full name Carl Edward Sagan was born on November 9, 1934, in Brooklyn, New York. His Mother was Rachel Molly Gruber and Father was Samuel Sagan. He had a younger sister named Carol. During his childhood, he became interested in stars after reading some books at the library. After watching some futuristic visions at the world’s Fair of New York, he got more interested. He was also a fan of the 40’s sci-fi magazines. The stories and pictures of flying saucers fascinated him very much.

Carl Sagan Planets
Carl Sagan

Carl finished high school at the age of 16. Then he continued to the University of Chicago. He completed his graduation in 1955 in physics. Then he got his Ph.D. in astronomy and astrophysics. After that, he worked at the University of California. During this period, he worked with the NASA team for the development of Mariner 2 robotic probe.

From 1960, Sagan started working at the Smithsonian Astrophysical Observatory. He also worked at the Harvard University at that time. After some time, he became the director of Cornell University’s Laboratory for Planetary Studies. Then again, he helped NASA with some other space probes. One of them is Voyager, which was made to go beyond our solar system.

Sagan was also futurist. He proposed many plans for interstellar flights, terraforming planets etc. He was also a consultant for the famous futuristic movie 2001: A space Odyssey. Though a little number of scientist became a well-celebrated personality, Carl was a very popular one back then. He became even popular after publishing some of his book like The Dragons of Eden: Speculations on the Evolution of Human Intelligence, The Cosmic Connection: An Extraterrestrial Perspective etc. His book ‘Contact’ was also made into a film in 1997.

Later in 1980’s, Carl Sagan started to film his legendary TV Series Cosmos: A Personal Voyage. He wrote and hosted this astounding documentary himself. His another special documentary was Pale Blue Dot: A Vision of the Human Future in Space (1994).

He married three times and divorced 2 times. He had 5 children. This legendary scientist died on December 20, 1996. He was suffering from myelodysplasia for two years. His grave is located at Lakeview Cemetery in Ithaca, New York.

Profile

Born: November 9, 1934, Brooklyn, New York City, New York, United States
Died: December 20, 1996, Seattle, Washington, United States
Movies and TV shows: Cosmos: A Personal Voyage, Contact

Family

Spouse: Ann Druyan (m. 1981–1996), Linda Salzman Sagan (m. 1968–1981), Lynn Margulis (m. 1957–1964)

 

External Links

More Info of Carl Sagan:

  Wiki | Official Website