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Re: 2019: On this day . . . [Re: Mona - Astronomy] #931007
05/20/19 04:55 PM
05/20/19 04:55 PM
Joined: May 2010
Posts: 8,067
United Kingdom
Mona - Astronomy Online content OP
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Mona - Astronomy  Online Content OP
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Stone Age Human

Joined: May 2010
Posts: 8,067
United Kingdom

On this day in 1990 - May 20th - the Hubble Space Telescope sent back its first image, that of several stars, captured with its Wide Field/Planetary Camera.

Unfortunately, they then discovered there was a flaw in the main mirror which meant fuzzy images for three years until the first shuttle servicing mission. Interestingly, the images were still much better than the ones from ground-based telescopes of the time.


Mona Evans
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Re: 2019: On this day . . . [Re: Mona - Astronomy] #931008
05/21/19 07:51 AM
05/21/19 07:51 AM
Joined: May 2010
Posts: 8,067
United Kingdom
Mona - Astronomy Online content OP
BellaOnline Editor
Mona - Astronomy  Online Content OP
BellaOnline Editor
Stone Age Human

Joined: May 2010
Posts: 8,067
United Kingdom

On this day in 2010 - May 21st - the Japanese experimental aircraft IKAROS was launched.

IKAROS (Interplanetary Kite-craft Accelerated by Radiation Of the Sun) is the first spacecraft to successfully demonstrate solar sail technology in interplanetary space.


Mona Evans
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Re: 2019: On this day . . . [Re: Mona - Astronomy] #931009
Yesterday at 06:23 AM
Yesterday at 06:23 AM
Joined: May 2010
Posts: 8,067
United Kingdom
Mona - Astronomy Online content OP
BellaOnline Editor
Mona - Astronomy  Online Content OP
BellaOnline Editor
Stone Age Human

Joined: May 2010
Posts: 8,067
United Kingdom

On this day in 2008 - May 25th - NASA's Phoenix lander landed on Mars.

Phoenix was expected to spend 90 Martian sols searching for environments suitable for microbial life. It carried out its mission for 157 Martian sols. [A sol is a Martian day - it's about 40 minutes longer than an Earth day.]


Mona Evans
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Re: 2019: On this day . . . [Re: Mona - Astronomy] #931011
2 hours ago
2 hours ago
Joined: May 2010
Posts: 8,067
United Kingdom
Mona - Astronomy Online content OP
BellaOnline Editor
Mona - Astronomy  Online Content OP
BellaOnline Editor
Stone Age Human

Joined: May 2010
Posts: 8,067
United Kingdom

On this day in 1961 - May 25th - President John F. Kennedy challenged the USA to "commit itself to achieving the goal, before this decade is out, of landing a man on the Moon and returning him safely to the Earth."

Sadly, Kennedy didn't live to see it happen.


Mona Evans
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http://www.bellaonline.com/newsletter/astronomy
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Moderated by  Mona - Astronomy 

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