logo
Previous Thread
Next Thread
Print Thread
Page 15 of 46 1 2 13 14 15 16 17 45 46
Joined: May 2010
Posts: 9,910
Likes: 13
BellaOnline Editor
Iron Age Human
OP Online Content
BellaOnline Editor
Iron Age Human
Joined: May 2010
Posts: 9,910
Likes: 13
.
On this day in 2011 – March 17th – NASA's Messenger spacecraft went into orbit around Mercury.

Messenger was the first craft ever to orbit Mercury.


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

http://www.bellaonline.com/newsletter/astronomy
Sponsored Post Advertisement
Joined: May 2010
Posts: 9,910
Likes: 13
BellaOnline Editor
Iron Age Human
OP Online Content
BellaOnline Editor
Iron Age Human
Joined: May 2010
Posts: 9,910
Likes: 13
.
On this day in 1965 – March 18th – the Soviet spacecraft Voskhod 2 was launched.

On this mission, cosmonaut Alexei Leonov became the first person to leave a spacecraft for a "spacewalk".


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

http://www.bellaonline.com/newsletter/astronomy
Joined: May 2010
Posts: 9,910
Likes: 13
BellaOnline Editor
Iron Age Human
OP Online Content
BellaOnline Editor
Iron Age Human
Joined: May 2010
Posts: 9,910
Likes: 13
.
On this day in 1799 – March 19th – the English physician, clergyman and astronomer William Rutter Dawes was born in London.

Dawes is probably best known for the Dawes' Limit, the formula he devised to determine the theoretical limit of the resolving power of a telescope. For his research into double stars the Royal Astronomical Society presented him with their Gold Medal in 1855.


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

http://www.bellaonline.com/newsletter/astronomy
Joined: May 2010
Posts: 9,910
Likes: 13
BellaOnline Editor
Iron Age Human
OP Online Content
BellaOnline Editor
Iron Age Human
Joined: May 2010
Posts: 9,910
Likes: 13
.
On this day in 1958 – March 20th – the London Planetarium opened to the public.

For nearly half a century the planetarium received school children and tourists with presentations about astronomy and space. The planetarium was part of the site of Madame Tussauds, and the owners closed it in 2006 in order to use the area for entertainment presentations.


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

http://www.bellaonline.com/newsletter/astronomy
Joined: May 2010
Posts: 9,910
Likes: 13
BellaOnline Editor
Iron Age Human
OP Online Content
BellaOnline Editor
Iron Age Human
Joined: May 2010
Posts: 9,910
Likes: 13
.
On this day in 1865 – March 21st – Antonia Maury was born in Cold Stream, New York.

She was best known for her work at Harvard College Observatory. Her stellar classification system allowed Danish astronomer Ejnar Hertzsprung to show the evolution of stars.


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

http://www.bellaonline.com/newsletter/astronomy
Joined: May 2010
Posts: 9,910
Likes: 13
BellaOnline Editor
Iron Age Human
OP Online Content
BellaOnline Editor
Iron Age Human
Joined: May 2010
Posts: 9,910
Likes: 13
.
On this day in 1997 – March 22nd – Comet Hale-Bopp made its closest approach to Earth.

The two-tailed comet was probably the most widely observed comet of the twentieth century. It's also known as the Great Comet of 1997.


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

http://www.bellaonline.com/newsletter/astronomy
Joined: May 2010
Posts: 9,910
Likes: 13
BellaOnline Editor
Iron Age Human
OP Online Content
BellaOnline Editor
Iron Age Human
Joined: May 2010
Posts: 9,910
Likes: 13
.
On this day in 1749 – March 23rd – Pierre-Simon Laplace was born.

Laplace was a brilliant French mathematician, astronomer, and physicist who is sometimes called "France's Newton". He accounted for the observed deviations of planets from their theoretical orbits by applying Newton's theory of gravitation to the problem.


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

http://www.bellaonline.com/newsletter/astronomy
Joined: May 2010
Posts: 9,910
Likes: 13
BellaOnline Editor
Iron Age Human
OP Online Content
BellaOnline Editor
Iron Age Human
Joined: May 2010
Posts: 9,910
Likes: 13
.
On this day in 1840 – March 23rd – American polymath John William Draper produced the first detailed photograph of the Moon.

It was the first astrophotograph taken in North America.


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

http://www.bellaonline.com/newsletter/astronomy
Joined: May 2010
Posts: 9,910
Likes: 13
BellaOnline Editor
Iron Age Human
OP Online Content
BellaOnline Editor
Iron Age Human
Joined: May 2010
Posts: 9,910
Likes: 13
.
On this day in 2001 – March 23rd – the Soviet/Russian space station Mir was deorbited.

Mir was the first space station assembled in orbit and the first continuously inhabited long-term orbital research station.


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

http://www.bellaonline.com/newsletter/astronomy
Joined: May 2010
Posts: 9,910
Likes: 13
BellaOnline Editor
Iron Age Human
OP Online Content
BellaOnline Editor
Iron Age Human
Joined: May 2010
Posts: 9,910
Likes: 13
.
On this day in 1893 – March 24th – German astronomer Walter Baade was born.

Baade, who worked at Mt Wilson Observatory in California for many years, defined two distinct populations of stars, and his discovery that there are two types of Cepheid variable star meant that his recalculation of the known universe doubled the size calculated by Hubble.


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

http://www.bellaonline.com/newsletter/astronomy
Page 15 of 46 1 2 13 14 15 16 17 45 46

Moderated by  Mona - Astronomy 

Link Copied to Clipboard
Brand New Posts
2021: On this day . . .
by Mona - Astronomy - 09/24/21 10:04 AM
Prayers for the Stolen Trailer
by Angela - Drama Movies - 09/23/21 09:00 PM
Astro Women - Birthdays
by Mona - Astronomy - 09/23/21 06:30 PM
TV Special Celebrates Opening Of Academy Museum
by Angela - Drama Movies - 09/22/21 08:54 PM
Sewing Projects for Repurposed Clothing
by Cheryl - Sewing Editor - 09/22/21 12:56 PM
Lammas to the September Equinox – Quiz *new*
by Mona - Astronomy - 09/21/21 05:46 PM
Autumn Equinox
by Mona - Astronomy - 09/21/21 05:19 PM
Inspiration Quote
by Angie - 09/21/21 03:25 PM
Death of an Old Tree
by Angie - 09/18/21 11:32 AM
Psalm for the day
by Angie - 09/18/21 09:50 AM
Sponsor
Safety
We take forum safety very seriously here at BellaOnline. Please be sure to read through our Forum Guidelines. Let us know if you have any questions or comments!
Privacy
This forum uses cookies to ensure smooth navigation from page to page of a thread. If you choose to register and provide your email, that email is solely used to get your password to you and updates on any topics you choose to watch. Nothing else. Ask with any questions!


| About BellaOnline | Privacy Policy | Advertising | Become an Editor |
Website copyright © 2021 Minerva WebWorks LLC. All rights reserved.


Powered by UBB.threads™ PHP Forum Software 7.7.5