logo
Previous Thread
Next Thread
Print Thread
Page 23 of 42 1 2 21 22 23 24 25 41 42
Joined: May 2010
Posts: 11,915
Likes: 30
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,915
Likes: 30
On this day in 1894 – July 17th – Belgian astronomer and physicist Georges Lemaître was born.

Lemaître made the first definitive formulation of the idea of an expanding universe and what was to become known as the Big Bang theory of the origin of the universe.

Sponsored Post Advertisement
Joined: May 2010
Posts: 11,915
Likes: 30
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,915
Likes: 30
On this day in 1921 – July 18th – US astronaut John Glenn was born.

Glenn was the first American to orbit the Earth and the oldest person ever to go into space. He had a distinguished military career before becoming an astronaut and was a US senator afterwards.

Joined: May 2010
Posts: 11,915
Likes: 30
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,915
Likes: 30
On this day in 1846 – July 19th – Edward Pickering was born.

Pickering was the director of Harvard College Observatory who hired the women assistants (computers), and who modernized the approach of the observatory to astronomy through the use of photography.

Last edited by Mona - Astronomy; 07/20/17 12:52 PM.
Joined: May 2010
Posts: 11,915
Likes: 30
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,915
Likes: 30
On this day in 1969 – July 20th – Apollo 11 astronauts became the first humans to set foot on another world.

Neil Armstrong, followed by Buzz Aldrin, stepped out of their lander and walked on the Moon, taking photographs and setting up experiments.

Last edited by Mona - Astronomy; 07/21/17 05:33 AM.
Joined: May 2010
Posts: 11,915
Likes: 30
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,915
Likes: 30
On this day in 1976 – July 20th – NASA's Viking 1 became the first spacecraft to land successfully on Mars and perform its mission.

Part of its mission was a biology experiment whose purpose was to look for evidence of life.

Joined: May 2010
Posts: 11,915
Likes: 30
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,915
Likes: 30
On this day in 1620 – July 21st – French astronomer Jean Picard was born.

Picard collaborated and corresponded with many fellow scientists, including Isaac Newton, Christiaan Huygens, Ole Rømer, and Giovanni Cassini, amongst others. He was a founding member of the French Academy of Sciences.

Joined: May 2010
Posts: 11,915
Likes: 30
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,915
Likes: 30
On this day in 1784 – July 22nd – German astronomer and mathematician Friedrich Bessel was born.

Bessel was the first astronomer who determined reliable values for the distance from the sun to another star by the method of parallax.

Joined: May 2010
Posts: 11,915
Likes: 30
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,915
Likes: 30
On this day in 1928 – July 23rd – American astronomer Vera Rubin was born.

Rubin's pioneering work on galaxy rotation rates uncovered the discrepancy between the predictions and the observations. This was early evidence of the existence of dark matter.

Joined: May 2010
Posts: 11,915
Likes: 30
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,915
Likes: 30
On this day in 1950 – July 24th – the first rocket was launched from Cape Canaveral, Florida.

Cape Canaveral - which for a time was called Cape Kennedy - became the launch site for the manned space program. Today the USA can only put astronauts into space via Russian launches.

Joined: May 2010
Posts: 11,915
Likes: 30
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,915
Likes: 30
On this day in 1975 – July 24th – the Apollo crew returned to Earth after docking and working with a Russian Soyuz crew.

The end of the Apollo Soyuz mission was the final flight of the Apollo program and the last US splashdown.

Page 23 of 42 1 2 21 22 23 24 25 41 42

Moderated by  Mona - Astronomy 

Link Copied to Clipboard
Brand New Posts
Make It Sew Easier
by Cheryl - Sewing Editor - 03/27/24 04:34 PM
2024 - on this day in the past ...
by Mona - Astronomy - 03/27/24 01:31 PM
Planner Template Kit - Weekly Layout Template
by Digital Art and Animation - 03/26/24 07:39 PM
Planner Template Kit - Yearly Layout Template
by Digital Art and Animation - 03/26/24 07:37 PM
How to Use Digital Planner Template Kit
by Digital Art and Animation - 03/26/24 07:36 PM
Review - 20 Illustrator Color tips Helen Bradley
by Digital Art and Animation - 03/26/24 07:32 PM
March Equinox to June Solstice
by Mona - Astronomy - 03/26/24 12:27 PM
Hobotrader unleashes never seen opportunity with i
by Jamal molla - 03/26/24 11:55 AM
Psalm for the day
by Angie - 03/25/24 09:05 AM
Genealogy, Sort of
by Angie - 03/24/24 05:39 PM
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 © 2022 Minerva WebWorks LLC. All rights reserved.


Powered by UBB.threads™ PHP Forum Software 7.7.5