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Astro Advent Calendar 2018 #930164
11/30/18 10:48 PM
11/30/18 10:48 PM
Joined: May 2010
Posts: 8,117
United Kingdom
Mona - Astronomy Offline OP
BellaOnline Editor
Mona - Astronomy  Offline OP
BellaOnline Editor
Stone Age Human

Joined: May 2010
Posts: 8,117
United Kingdom
I've always liked advent calendars, so here's another astro advent for this year. Starting tomorrow, it's based on the days up to Christmas, but will be full of astronomy events and interesting pictures. Sorry about having no windows to open - it'll be click-the-links instead.

And to everyone, Greetings and Good Wishes for whatever winter holidays you celebrate.


Mona Evans
For news, activities, pictures and more, sign up to the Astronomy Newsletter!

http://www.bellaonline.com/newsletter/astronomy
Re: Astro Advent Calendar 2018 [Re: Mona - Astronomy] #930165
12/01/18 04:02 PM
12/01/18 04:02 PM
Joined: May 2010
Posts: 8,117
United Kingdom
Mona - Astronomy Offline OP
BellaOnline Editor
Mona - Astronomy  Offline OP
BellaOnline Editor
Stone Age Human

Joined: May 2010
Posts: 8,117
United Kingdom
1

Galileo Galilei made the first detailed observations of the Moon in 1609 between November 30 and December 18.

Four of the drawings were then engraved for publication in March 1610. 

Here are two of Galileo's drawings of the Moon. He made them while observing using a small telescope with 20x magnification.


Mona Evans
For news, activities, pictures and more, sign up to the Astronomy Newsletter!

http://www.bellaonline.com/newsletter/astronomy
Re: Astro Advent Calendar 2018 [Re: Mona - Astronomy] #930169
12/02/18 09:57 AM
12/02/18 09:57 AM
Joined: May 2010
Posts: 8,117
United Kingdom
Mona - Astronomy Offline OP
BellaOnline Editor
Mona - Astronomy  Offline OP
BellaOnline Editor
Stone Age Human

Joined: May 2010
Posts: 8,117
United Kingdom

2

A winter scene with Orion prominent in a starry sky above a bridge over the river Lielupe in Latvia.

Due to the long exposure, drifting ice shows up as streaks in the river. And, beautifully, there are stars reflected in the river. The sky beams are from a church in the village whose lights line the horizon.

[Image: Juris Sennikovs, first place winner in the 2018 StarSpace astrophotography competition].


Mona Evans
For news, activities, pictures and more, sign up to the Astronomy Newsletter!

http://www.bellaonline.com/newsletter/astronomy
Re: Astro Advent Calendar 2018 [Re: Mona - Astronomy] #930170
12/02/18 10:49 AM
12/02/18 10:49 AM
Joined: Sep 2008
Posts: 1,327
Germany/Belgium
Francine - German Culture Offline
BellaOnline Editor
Francine - German Culture  Offline
BellaOnline Editor
Chipmunk

Joined: Sep 2008
Posts: 1,327
Germany/Belgium

Fascinating Mona, what a great idea for Advent, and love the Latvia photo, just beautiful.

Have sent you a message through the internal mail system by the way, the Forum PM facility seems to have disappeared. Or perhaps that is only my connection. computer

I really enjoy Advent, it is such a wonderful time of year isn't it... laugh


Francine A. McKenna - German Culture Editor

German Culture Site - German Culture Facebook

Avatar: HOHENZOLLERNBRÜCKE 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: Astro Advent Calendar 2018 [Re: Mona - Astronomy] #930180
12/03/18 09:17 AM
12/03/18 09:17 AM
Joined: May 2010
Posts: 8,117
United Kingdom
Mona - Astronomy Offline OP
BellaOnline Editor
Mona - Astronomy  Offline OP
BellaOnline Editor
Stone Age Human

Joined: May 2010
Posts: 8,117
United Kingdom

3

On December 3, 1973, Pioneer 10 - the first probe ever to visit Jupiter - made its closest approach to the giant planet.

Here are flyby photos taken by Pioneer 10 of Jupiter. The spacecraft is no longer operational, but continues on its journey out of the Solar System, currently over 121 AU from home. [1 AU = the Earth-Sun distance]


Mona Evans
For news, activities, pictures and more, sign up to the Astronomy Newsletter!

http://www.bellaonline.com/newsletter/astronomy
Re: Astro Advent Calendar 2018 [Re: Mona - Astronomy] #930189
12/04/18 09:51 AM
12/04/18 09:51 AM
Joined: May 2010
Posts: 8,117
United Kingdom
Mona - Astronomy Offline OP
BellaOnline Editor
Mona - Astronomy  Offline OP
BellaOnline Editor
Stone Age Human

Joined: May 2010
Posts: 8,117
United Kingdom

4

The Pioneer Venus Orbiter was inserted into Venus orbit on December 4, 1978 – it returned data until October 1992.

The spacecraft used a surface radar mapper to survey the planet – from the data a complete map of Venus was produced.

[Image: NASA Ames Research Center, U.S Geological Survey and Massachusetts Institute of Technology]


Mona Evans
For news, activities, pictures and more, sign up to the Astronomy Newsletter!

http://www.bellaonline.com/newsletter/astronomy
Re: Astro Advent Calendar 2018 [Re: Mona - Astronomy] #930192
12/05/18 10:05 AM
12/05/18 10:05 AM
Joined: May 2010
Posts: 8,117
United Kingdom
Mona - Astronomy Offline OP
BellaOnline Editor
Mona - Astronomy  Offline OP
BellaOnline Editor
Stone Age Human

Joined: May 2010
Posts: 8,117
United Kingdom

5

Northern lights in northern Norway photographed by noted aurora photographer Ole Salomonsen.

The northern and southern lights are one of Earth's most splendid spectacles. They're created when charged particles from the Sun interact with particles of our atmosphere at an atomic level.


Mona Evans
For news, activities, pictures and more, sign up to the Astronomy Newsletter!

http://www.bellaonline.com/newsletter/astronomy
Re: Astro Advent Calendar 2018 [Re: Mona - Astronomy] #930196
12/06/18 03:41 PM
12/06/18 03:41 PM
Joined: May 2010
Posts: 8,117
United Kingdom
Mona - Astronomy Offline OP
BellaOnline Editor
Mona - Astronomy  Offline OP
BellaOnline Editor
Stone Age Human

Joined: May 2010
Posts: 8,117
United Kingdom

6

In 1876, Ellen Harding Baker, an American astronomer and educator, finished embroidering an amazing quilt. The quilt is a diagram of the Solar System, as known at the time. She used it as a visual aid for the astronomy lectures she gave.

The quilt is made from black woolen fabric, decorated with colorful wool-fabric appliqué, wool braid, and wool and silk embroidery It includes the eight planets, asteroid belt, the larger moons, a comet and numerous stars around the periphery.


Mona Evans
For news, activities, pictures and more, sign up to the Astronomy Newsletter!

http://www.bellaonline.com/newsletter/astronomy
Re: Astro Advent Calendar 2018 [Re: Mona - Astronomy] #930198
12/07/18 02:07 AM
12/07/18 02:07 AM
Joined: Apr 2002
Posts: 5,112
Central Virginia
A
Angie Offline
Wolf
Angie  Offline
Wolf
A

Joined: Apr 2002
Posts: 5,112
Central Virginia
>>

Northern lights in northern Norway<< just beautiful.

Re: Astro Advent Calendar 2018 [Re: Mona - Astronomy] #930199
12/07/18 02:09 AM
12/07/18 02:09 AM
Joined: Apr 2002
Posts: 5,112
Central Virginia
A
Angie Offline
Wolf
Angie  Offline
Wolf
A

Joined: Apr 2002
Posts: 5,112
Central Virginia
About the quilt, my mother was a phenomenal quilter. She would have enjoyed the quilt you posted.

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