Image Of Saturn Taken By Cassini Spacecraft In October 28, 2016.

Image Of Saturn Taken By Cassini Spacecraft In October 28, 2016.

Image of Saturn taken by Cassini spacecraft in October 28, 2016.

Credit: NASA / JPL / Cassini

More Posts from Astrotidbits-blog and Others

8 years ago
Սպիրու Կոստաքեի Հարեթ Spiru C. Haret

Սպիրու Կոստաքեի Հարեթ Spiru C. Haret

Romanian Armenian mathematician, astronomer and politician. He made a fundamental contribution to the n-body problem in celestial mechanics by proving that using a third degree approximation for the disturbing forces implies instability of the major axes of the orbits, and by introducing the concept of secular perturbations in relation to this. (Proved that planetary motion is not absolutely stable)  As a politician, during his three terms as Minister of Education, Haret ran deep reforms, building the modern Romanian education system. He was made a full member of the Romanian Academy in 1892. He also founded the Astronomical observatory in Bucharest, The crater Haret on the Moon is named after him. The Spiru Haret University, a private university in Bucharest, Romania, bears the name of a scientist and reformer of the Romanian education.

Born 15 February 1851 in Iaşi, Moldavia to an Armenian family, He showed talent for mathematics at a very young age, publishing two textbooks, one in algebra and one in trigonometry when he was still in high school. Whilst in his second year studying physics and mathematics the in the University of Bucharest, he became a teacher of mathematics in Nifon Seminary.

After graduation, Haret won a scholarship competition organized by Titu Maiorescu and went to Paris in order to study mathematics at the Sorbonne. There he earned a mathematics diploma in 1875 and a physics diploma in 1876. Two years later he earned his Ph.D. by defending his thesis, Sur l’invariabilité des grandes axes des orbites planétaires (On the invariability of the major axis of planetary orbits), in front of examiners led by Victor Puiseux. In this work he proved a result fundamental for the n-body problem in astronomy, the thesis being published in Vol. XVIII of the Annales de l'Observatoire de Paris. Haret was the first Romanian to obtain a Ph.D. degree in Paris, (though he was of full Armenian descent)

After his return to Romania in 1878, Haret abandoned scientific research and dedicated the rest of his life to improving Romanian education, which was heavily underdeveloped at the time, both as professor and as politician. He only published an article on the secular acceleration of the Moon in 1880 and one on Jupiter’s Great Red Spot (1912). And in In 1910 he published Social mechanics, which used mathematics to explain social behaviour (somehow anticipating the fictional “psychohistory” branch of mathematics developed by Hari Seldon, the fictional character of Isaac Asimov‘s Foundation, published 40 years later).

He was appointed professor of rational mechanics at the Science Faculty in Bucharest. The next year Haret became a correspondent member of the Romanian Academy. He kept the professorship at the Science Faculty until his retirement in 1910.  As Minister of Education he ran a complete reform, basically building the modern Romanian education system

8 years ago
SpaceX Plans To Send 2 Tourists Around Moon In 2018

SpaceX Plans to Send 2 Tourists Around Moon in 2018

“While the trip appears to be within the technical capabilities of SpaceX, industry observers wondered whether the company could pull it off as quickly as Mr. Musk indicated. “Dates are not SpaceX’s strong suit,” said Mary Lynne Dittmar, executive director of the Coalition for Deep Space Exploration. The Dragon 2 and Falcon Heavy are years behind schedule and have yet to fly.“It strikes me as risky,” Dr. Dittmar said, adding that autonomous systems are not infallible. “I find it extraordinary that these sorts of announcements are being made when SpaceX has yet to get crew from the ground to low-Earth orbit.””

8 years ago

People forget that “within the habitable zone” means habitable for us and ‘life as we know it.’

Being that we are completely unfamiliar with life and science outside of what we’ve encountered, it is entirely possible for 'life as we don’t yet know it’ to exist outside of what we personally consider a habitable zone.

7 years ago
Ham Radio And Equipment Operator At Short Creek

Ham Radio and Equipment Operator at Short Creek

8 years ago
Inside - Vadim Sadovski
Inside - Vadim Sadovski
Inside - Vadim Sadovski
Inside - Vadim Sadovski
Inside - Vadim Sadovski
Inside - Vadim Sadovski
Inside - Vadim Sadovski
Inside - Vadim Sadovski

Inside - Vadim Sadovski

8 years ago
A Look Back At Astronaut Scott Kelly’s #YearInSpace
A Look Back At Astronaut Scott Kelly’s #YearInSpace
A Look Back At Astronaut Scott Kelly’s #YearInSpace
A Look Back At Astronaut Scott Kelly’s #YearInSpace
A Look Back At Astronaut Scott Kelly’s #YearInSpace
A Look Back At Astronaut Scott Kelly’s #YearInSpace
A Look Back At Astronaut Scott Kelly’s #YearInSpace
A Look Back At Astronaut Scott Kelly’s #YearInSpace
A Look Back At Astronaut Scott Kelly’s #YearInSpace

A Look Back At Astronaut Scott Kelly’s #YearInSpace

8 years ago
Ted Chin

Ted Chin

8 years ago
NASA‘s Juno: Spacecraft Has Successfully Entered Orbit Around The Gas Giant Jupiter. 
NASA‘s Juno: Spacecraft Has Successfully Entered Orbit Around The Gas Giant Jupiter. 

NASA‘s Juno: spacecraft has successfully entered orbit around the gas giant Jupiter. 

After five years and 1.7 billion miles the probe accomplish a risky braking manoeuvre in order for it to be hooked by Jupiter’s gravity. NASA’s Jet Propulsion Laboratory, California received the confirmation signal which confirmed Juno had finally entered orbit on July 4. Juno will begin a two-year mission of discovery which will help scientists better understand one of the largest objects in our solar system.

Using Juno’s complex array of cameras and sensors the team hope to answer some long-awaited questions including whether Jupiter actually has a solid core or if it really is just a swirling ball of gas. Another focus will be the Great Red Spot - a massive storm several times the size of Earth that has been raging on the surface of Jupiter for what appears to be hundreds of years. Juno is the fastest spacecraft to ever enter orbit around a planet, travelling at an astonishing 130,000mph by the time it reached the gas giant.

8 years ago

Jupiter and beyond the Infinite…

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