logo
Previous Thread
Next Thread
Print Thread
Page 27 of 56 1 2 25 26 27 28 29 55 56
Joined: May 2010
Posts: 11,308
Likes: 28
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,308
Likes: 28

On this day in 1917 - July 1st - the 100" mirror for the Hooker telescope arrived at Mt Wilson Observatory.

This telescope was the biggest in the world for three decades. Edwin Hubble calculated the distance to Andromeda from a Cepheid variable he discovered there with the telescope. It showed Andromeda was a separate galaxy. Hubble and Milton Humason also observed the redshifts of a number of galaxies and found that they were moving away from us.





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: 11,308
Likes: 28
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,308
Likes: 28

On this day in 1985 - July 2nd - the European Space Agency (ESA) launched the Giotto probe to study Halley's Comet.

Giotto would be the first spacecraft ever to make close up observations of a comet.




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

http://www.bellaonline.com/newsletter/astronomy
Joined: May 2010
Posts: 11,308
Likes: 28
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,308
Likes: 28

On this day in 1935 - July 3rd - geologist and Apollo 17 astronaut Harrison Schmitt was born.

Schmitt is the only scientist to have gone to the Moon.



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

http://www.bellaonline.com/newsletter/astronomy
Joined: May 2010
Posts: 11,308
Likes: 28
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,308
Likes: 28

On this day in 2005 - July 4th - NASA's Deep Impact probe collided with comet Tempel 1.

The Deep Impact mission was designed to study the interior composition of the comet Tempel 1 (9P/Tempel) by releasing an impactor into it.


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

http://www.bellaonline.com/newsletter/astronomy
Joined: May 2010
Posts: 11,308
Likes: 28
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,308
Likes: 28

On this day in 1054 - July 4th - Chinese astronomers observed the supernova explosion that created the Crab Nebula (Messier 1) in the constellation Taurus.

The supernova would have occurred some 6500 years before it was observed on Earth, since it's around 6500 light years away.


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

http://www.bellaonline.com/newsletter/astronomy
Joined: May 2010
Posts: 11,308
Likes: 28
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,308
Likes: 28

On this day in 1997 - July 4th - NASA's Mars Pathfinder landed on Mars.

The robotic spacecraft consisted of a lander, renamed the Carl Sagan Memorial Station, and a wheeled robotic Mars rover named Sojourner. It was the first successful Mars rover.


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

http://www.bellaonline.com/newsletter/astronomy
Joined: May 2010
Posts: 11,308
Likes: 28
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,308
Likes: 28

On this day in 1868 - July 4th - American astronomer Henrietta Swan Leavitt was born.

Her discovery of the relationship between the period and the luminosity of Cepheid variable stars made possible Edwin Hubble's work on galactic distances.


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

http://www.bellaonline.com/newsletter/astronomy
Joined: May 2010
Posts: 11,308
Likes: 28
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,308
Likes: 28

On this day in 2016 - July 5th - NASA's Juno mission went into polar orbit around Jupiter.

Juno's mission is to explore Jupiter, seeking to unlock secrets of the giant planet and our solar system.


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

http://www.bellaonline.com/newsletter/astronomy
Joined: May 2010
Posts: 11,308
Likes: 28
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,308
Likes: 28

On this day in 1687 - July 5th - Edmond Halley published the Principia of Isaac Newton.

Philosophiæ Naturalis Principia Mathematica (Latin for 'Mathematical Principles of Natural Philosophy') states Newton's laws of motion and of universal gravitation. It's regarded as one of the most important works in the history of science.


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

http://www.bellaonline.com/newsletter/astronomy
Joined: May 2010
Posts: 11,308
Likes: 28
BellaOnline Editor
Renaissance Human
OP Offline
BellaOnline Editor
Renaissance Human
Joined: May 2010
Posts: 11,308
Likes: 28

On this day in 2003 - July 7th - NASA's Mars rover Opportunity was launched for a three-month mission.

Opportunity was still at work on the red planet until the summer of 2018 when it was unable to recover after a massive planet wide dust storm.




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

http://www.bellaonline.com/newsletter/astronomy
Page 27 of 56 1 2 25 26 27 28 29 55 56

Moderated by  Mona - Astronomy 

Link Copied to Clipboard
Brand New Posts
Serger Stitches and Thread Tension
by Cheryl - Sewing Editor - 06/07/23 04:09 PM
Psalm for the day
by Angie - 06/07/23 09:15 AM
2023 - on this day in the past . . .
by Mona - Astronomy - 06/07/23 01:25 AM
Inspiration Quote
by Angie - 06/06/23 08:26 AM
Garden Wisdom
by Angie - 06/06/23 08:20 AM
Amaryllis - A symbol of Creativity?
by Angie - 06/06/23 08:19 AM
Virtual Pitch 2023 - Sell Your Movie/TV Idea
by Angela - Drama Movies - 06/05/23 11:10 PM
Quote for the week
by Angie - 06/05/23 05:15 PM
Astro Women - Birthdays
by Mona - Astronomy - 06/04/23 09:26 AM
Unlock the potential of blockchain with BigSale.
by Jamal molla - 06/03/23 10:48 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 © 2022 Minerva WebWorks LLC. All rights reserved.


Powered by UBB.threads™ PHP Forum Software 7.7.5