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Re: 2018: On this day . . . [Re: Mona - Astronomy] #929946
10/22/18 09:07 AM
10/22/18 09:07 AM
Joined: May 2010
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United Kingdom
Mona - Astronomy Offline OP
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Stone Age Human

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On this day in 1967 - October 18th - Venera 4 made the first direct studies of Venus’s atmosphere.

The Soviet probe was the first probe to perform a successful in-place analysis of the environment of another planet.


Mona Evans
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Re: 2018: On this day . . . [Re: Mona - Astronomy] #929947
10/22/18 09:12 AM
10/22/18 09:12 AM
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On this day in 1910 - October 19th - Indian-American astrophysicist and Nobel laureate Subrahmanyan Chandrasekhar was born.

He's known for his work in stellar evolution, including the Chandrasekhar Limit. That is the dividing line between the mass of a star that has spent its nuclear fuel and will collapse into a white dwarf and one massive enough to go out with a bang - a supernova. It's about 1.4 times the Sun's mass.


Mona Evans
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Re: 2018: On this day . . . [Re: Mona - Astronomy] #929950
10/23/18 08:35 AM
10/23/18 08:35 AM
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Mona - Astronomy Offline OP
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On this day in 1967 - October 19th - the European Space Agency's (ESA) ExoMars arrived at Mars.

There were two parts to the mission. The Trace Gas Orbiter (TGO) was successfully inserted into orbit and is working as expected. However due to a systems malfunction, the experimental lander Schiaparelli crashlanded on Mars.


Mona Evans
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Re: 2018: On this day . . . [Re: Mona - Astronomy] #929951
10/23/18 08:41 AM
10/23/18 08:41 AM
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Mona - Astronomy Offline OP
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On this day in 1923 - October 21st - the Deutsches Museum in Munich, Germany presented the world's first public planetarium show.


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Re: 2018: On this day . . . [Re: Mona - Astronomy] #929953
10/23/18 05:51 PM
10/23/18 05:51 PM
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Germany/Belgium
Francine - German Culture Offline
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An amazing planetarium Mona, and a fascinating experience for anyone in the area...worth giving the local mountains and lakes a miss for a few hours. cool

It was all upgraded to state of the art a few years ago, and although the shows are only in German the projections, and real time simulations, speak for themselves really so don't need words.

Of course the Deutsches Museum is anyway one of those places where one can happily spend days and never get bored, lost track of the number of times I've visited. blush


Francine A. McKenna - German Culture Editor

German Culture Site - German Culture Facebook

Avatar: HOHENZOLLERNBRÃœCKE Cologne with CATHEDRAL and LUDWIG MUSEUM. The Bridge a symbol of how Germany was rebuilt after WWII, it was left in ruins, the Cathedral with roots in the 13th century represents the country's history, Museum of Modern Art the present day.

Re: 2018: On this day . . . [Re: Mona - Astronomy] #929956
10/24/18 12:32 PM
10/24/18 12:32 PM
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Francine, it sounds splendid. Many decades ago I was in Munich briefly on the way to somewhere else. So haven't seen the Deutsches Museum. It sounds great.


Mona Evans
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Re: 2018: On this day . . . [Re: Mona - Astronomy] #929957
10/24/18 12:37 PM
10/24/18 12:37 PM
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On this day in 2008 - October 21st - India's space agency, ISRO, launched the Chandrayaan-1 lunar probe.

It was India's first satellite to leave Earth orbit, and the mission also included the first Indian deep space radio communications antenna.


Mona Evans
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Re: 2018: On this day . . . [Re: Mona - Astronomy] #929962
10/25/18 09:00 AM
10/25/18 09:00 AM
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On this day in 1905 - October 22nd - American physicist and radio engineer Karl Jansky was born.

In August 1931 Jansky first discovered radio waves emanating from the Milky Way. He's considered one of the founding figures of radio astronomy.




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Re: 2018: On this day . . . [Re: Mona - Astronomy] #929968
10/26/18 05:11 PM
10/26/18 05:11 PM
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Mona - Astronomy Offline OP
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On this day in 1975 - October 22nd - the Soviet Union's Venera 9 went into orbit around Venus.

The mission included an orbiter - the first to orbit another planet - and a lander, which was the first to return images from another planet.


Mona Evans
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Re: 2018: On this day . . . [Re: Mona - Astronomy] #929969
10/26/18 05:13 PM
10/26/18 05:13 PM
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On this day in 1969 - October 23rd - the discovery of 67P/Churyumov-Gerasimenko was announced by the discoverers to the Central International Bureau of Astronomical Telegrams.

This is the comet on which ESA's Rosetta spacecraft and the lander Philae lie after two years of studying it.




Mona Evans
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