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· @tsoulix ·
$21.50
Supernova : Definition
http://fr.cdn.v5.futura-sciences.com/buildsv6/images/largeoriginal/a/9/4/a940132305_50034136_supernova1987a.jpg
This artist's view shows how the material ejected by the supernova SN 1987a is distributed from the information provided by the Sinfoni spectrograph.


A supernova is the cataclysmic explosion of a star that for a time can shine more vividly than an entire galaxy of hundreds of billions of stars. There are essentially two main families of supernovae: SN II and SN Ia.

https://www.youtube.com/watch?v=QfNqBKAvkpw

<h1>Two families of supernovae</h1>
SN II occurs when massive stars exceeding about 8 to 10 solar masses have exhausted their nuclear fuel. This causes the gravitational collapse of the core, the force of gravity of which is no longer counterbalanced by the pressure of the radiations released by thermonuclear reactions. According to a still poorly understood scenario, a large amount of energy is released and ejects the outer layers of the star to leave only one neutron star or, in extreme ca
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vote your-acct "tsoulix" "supernova-definition" 100 true
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· @freddbrito · (edited)
$21.90
Titan the Great Satellite
<div class="text-justify">
<p>  

<center>http://www.abc.es/media/ciencia/2016/04/27/PIA18432_ip--620x349.jpg  </center> <center> [Source](http://www.abc.es/ciencia/abci-mar-metano-puro-titan-201604271243_noticia.html) </center>

**Cassini recently completed a long working day that lasted many years, discovering important information regarding what awaits the space, one of them is the satellite Titan, that could be discovered thanks to Cassini that this one owns seas of methane.**

##                                                                                But what exactly is Titan?  </center>
<br>







<div class="pull-right"><center><img src="http://www.messagetoeagle.com/wp-content/uploads/2016/03/huygenstitan10.jpg" /><br/><em><a href="http://www.messagetoeagle.com/christiaan-huygens-discovers-saturns-largest-moon-titan-on-mar-25-1655/">Source</a></em></center></div>

Titan is the largest satellite **Saturn** as well as being the largest of our **solar system**, but what makes it interesting the s
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vote your-acct "freddbrito" "titan-the-great-satellite" 100 true
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· @jenkinrocket ·
$9.56
What Jenkinrocket Daydreams About And Other Things
<center>https://static.pexels.com/photos/110854/pexels-photo-110854.jpeg</center>
You know when you're just sitting there daydreaming while you're supposed to be doing work? Of course you do. Hell, you were probably doing it before you started reading this article. 

I've had this really persistent daydream about a space saga featuring Steven Yeun from The Walking Dead and I as mech pilots. Only in this imagining they're called 'Augurs'. 

But the Auger tech and the implanted molecular technology has strange effects that sometimes create useful abilities. Steven would have something called 'limited omniscience', where he's aware of everything that happens all around him in a 20 ft. My character would have 'the shadow', a sort of weird semi-real alter self that can materialize, transform, and do other extremely weird shit. 

Well, I mean it sounds weird when I put it all down in words. 

That's not all, though. There'd be a father character played by Idris Elba who, of course, would be protecting a secret at t
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vote your-acct "jenkinrocket" "what-jenkinrocket-daydreams-about-and-other-things" 100 true
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· @lemouth ·
$52.32
An ABC (or rather an alpha-beta-gamma in Greek) of the origins of the chemical elements
Standard cosmology is today well motivated by all observations. It includes in particular a mechanism named **big bang nucleosynthesis** that describes how the lighter chemical elements (hydrogen, helium, lithium and beryllium) have been produced.

<div class="pull-left">

<center> ![](http://steemimg.com/images/2016/09/27/Planck_CMB_node_full_image_2fca2a.jpg)
<sub> [image credits: [ESA](http://www.esa.int/spaceinimages/Images/2013/03/Planck_CMB)]</sub> </center> 
</div> 

Big bang nucleosynthesis, that moreover correctly explains **the relative proportion of the elements in the universe**,  was initially worked 70 years go out by Alpher (a PhD student at that time) and his advisor Gamow. 

There are of course differences between today’s standards and the initially-proposed work, but the bulk of it were there.

The physicist Bethe also signed the corresponding publication, so that its author list is **Alpher-Bethe-Gamow**. **This almost matches the first three letters of the Greek alphabet, alpha-beta-gamm
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vote your-acct "lemouth" "an-abc-or-rather-an-alpha-beta-gamma-in-greek-of-the-origins-of-the-chemical-elements" 100 true
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· @jenkinrocket ·
$9.38
The Future May Well Be Science Utopia: The Mars Question Revisited
https://static.pexels.com/photos/23764/pexels-photo.jpg

Science is cool. Science is just so dang cool.

I mean, we've got some exciting shit going on right now, folks. It's a truly spectacular time to be alive. 

There's decentralized currencies, artificial intelligence, commercial space travel, virtual reality, and, as always, the internet. You know, just to name a few. 

This Friday we're looking at big news as far as space is concerned. Elon Musk, CEO of SpaceX and a bunch of other stuff is going to be making an announcement related to his big plans for starting a colony on Mars within the next 10 years at the IAC (International Astronautical Conference). We can probably look forward to getting some updated timelines, some information on the actual rocket and ship that will be used to transport people, and likely other tidbits we aren't expecting.

As space becomes a thing, it's worth beginning to ask ourselves the question: "Would you go if you could?"

I polled a lot of my friends about this, and mostly
πŸ‘  , , , , , , ,
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vote your-acct "jenkinrocket" "the-future-may-well-be-science-utopia-the-mars-question-revisited" 100 true
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· @paikan ·
$65.16
James Webb Space Telescope the successor to Hubble
<html>
<center>https://steemitimages.com/DQmfKHHQSu4dvSTJ4xd1rBh8G9CUjWYAWp198JaEudJ3zpm/vignette.png</center>
<p>&nbsp;&nbsp;Today I'm talking about a subject that I really like. We're going to talk about two Hubble space telescopes and the James Webb Space Telescope (JWST).</p>
<h3>&nbsp;history&nbsp;</h3>
<p>&nbsp;&nbsp;Humans have always sought to understand and analyze the stars. Research and technological advances have led to the creation of numerous instruments that over time have made it possible to discern the most distant and imperceptible stars.</p>
<center>https://steemitimages.com/DQmcNM5mgue62cXjUYqLvdFMAuwqC4BFZxWwBvQ9fvAz89n/telescope-history%20en.png</center>
<p>&nbsp;&nbsp;There appeared a physical constraint to the observation of stellar objects, our planet has an atmosphere, a thick layer of gauze and various disturbances that reduce the quality of reception.</p>
<p>&nbsp;&nbsp;So the human had a bright idea, send a telescope out of the atmosphere, Hubble was born! (and he deserves an arti
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· @fredrikaa · (edited)
$42.35
The poetic beauty of Betelgeuse: A story of our origins
I always feel a bit nerdy when I say that I have a favourite star. But then again, I am. The star's name is Betelgeuse and is one of the largest and brightest stars we are yet to observe with a size almost a thousand and a half greater than our sun. But I'm not going to overwhelm you with facts. Instead, I want to share with you a little story of why I love this star which I hope will leave you with a smile at the very end.

![Betelgeuse.png](https://steemitimages.com/DQmfSCPbVMYjhZj39RZ9vnW2pKUASE1JGHbShvV1imPtTPq/Betelgeuse.png)
_Picture of Betelgeuse captured by the  Atacama Large Millimeter/submillimeter Array (ALMA)_
[image source]( http://www.eso.org/public/unitedkingdom/images/potw1726a/)

Growing up in Norway, I had a good opportunity to stargaze as night would come early in winter. Indeed, for much of November to January, it would be rather dark already at 3 or 4 pm, opening up the heavens for the eyes to enjoy! Having a dog also meant I would usually go out for a walk every evening. During the winte
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vote your-acct "fredrikaa" "the-poetic-beauty-of-betelgeuse-a-story-of-our-origins" 100 true
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· @galotta · (edited)
$20.84
Tidal Locking or The Dark Side of the Moon
Have you ever wondered why there is a Pink Floyd album called "The Dark Side of the Moon"? 

Maybe because our moon actually has a designated dark side, one hemisphere which is consistently facing away from the earth and thus is not directly observable to us. Similarly the opposite hemisphere is constantly facing us and -if sufficiently illuminated- always displays the characteristic image of surface patterns and moon landscapes which have become known as 'the man in the moon'.

https://cdn.pixabay.com/photo/2016/05/12/16/35/earth-1388003_960_720.jpg
[Pixabay by Comfreak](https://pixabay.com/de/erde-mond-erdtrabant-sonnenaufgang-1388003/)

Earth and Moon are prototypical representatives of a broader phenomenon of celestial mechanics, called *tidal locking*.
Tidal locking usually occurs when two celestial bodies collide with low lateral momentum and subsequently form two major collision fragments. (Which is exactly what happened to the Earth. At some point in primordial time a roughly Mars sized object slammed
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vote your-acct "galotta" "tidal-locking-or-the-dark-side-of-the-moon" 100 true
post_comment your-acct "re-galotta-tidal-locking-or-the-dark-side-of-the-moon-20170926t021828020z" "galotta" "tidal-locking-or-the-dark-side-of-the-moon" "" "your reply.." "{}" true

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· @thatsweeneyguy · (edited)
$28.88
Cassini - This is how it ends. Not with a poof, but with a bang!
# <center> The Cassini Satellite dove into Saturn last week, burning up in the planet's atmosphere. </center> 
Nasa launched Cassini from Cape Canaveral, Florida on October 15th, 1997. I was 10 years old at the time, and remember the excitement and curiosity that such an endevor filled me with.
<center> ![7789_PIA21892_SaturnNorthernHemisphere.png](https://steemitimages.com/DQmQQrRahwwZYPy8tNKwm2bVJzti8ZsvmJn94CDZF7J2zF3/7789_PIA21892_SaturnNorthernHemisphere.png) 
This is one of the last images Cassini took before it made its final series of dives into Saturn's atmosphere. </center>
The satellite was actually launched in the opposite direction from Saturn, toward the planet Venus. It took six months to get there, but when it arrived on April 25th, 1998, it came a mind-boggling 176 miles from the Venutian surface! Using the planet's gravity as a slingshot, Cassini accelerated by 4 miles per *second*, heading off to use the Sun for its next gravity assisted boost. After a quick loop around the Sun, the satelli
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vote your-acct "thatsweeneyguy" "cassini-this-is-how-it-ends-not-with-a-poof-but-with-a-bang" 100 true
post_comment your-acct "re-thatsweeneyguy-cassini-this-is-how-it-ends-not-with-a-poof-but-with-a-bang-20170926t021828056z" "thatsweeneyguy" "cassini-this-is-how-it-ends-not-with-a-poof-but-with-a-bang" "" "your reply.." "{}" true

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· @spacehd ·
$7.74
Altair | Star | HD Space Pictures
<center> Altair, also designated Alpha Aquilae, is the brightest star in the constellation of Aquila and the twelfth brightest star in the night sky. It is currently in the G-cloudβ€”a nearby accumulation of gas and dust known as an interstellar cloud. 

![altair1.jpg](https://steemitimages.com/DQmTAqXxJe1dkw1wEGJNbq3xNVEAhrsenoKkLAjgG4bm25k/altair1.jpg)
Altair is only 16.8 light-years away from Earth, making it one of our nearer stellar neighbors. At least two features of the star Altair make it distinctive.
![Summer_Triangle2.jpg](https://steemitimages.com/DQmYTsUfKuH696rfYp56HwDx3H8MxLSmn3b4GPeZ6L4UzHt/Summer_Triangle2.jpg)
The name Altair is derived from the Arabic for "The Flying Eagle."
![First-Picture-of-the-Surface-of-the-Altair-Star-Similar-to-Our-Sun-2.jpg](https://steemitimages.com/DQmPEc9Gsb2uMJmf7DfDqKohXFxEvk8QLqsRbYtyWBq4LQW/First-Picture-of-the-Surface-of-the-Altair-Star-Similar-to-Our-Sun-2.jpg)
Based on Altair's abundance of iron, the star appears to be twice as enriched as Sol with elements
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vote your-acct "spacehd" "altair-or-star-or-hd-space-pictures" 100 true
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· @spacehd ·
$4.38
NGC 2440 | Nebula | HD Space Pictures
<center> NGC 2440 is a planetary nebula, one of many in our galaxy. Its central star, HD62166, is possibly the hottest known white dwarf. 
![opo9935e.jpg](https://steemitimages.com/DQmPdRRUrmE3hDpsw87WMTzhoiZfYBCeBEh5kUjnVRZPEX9/opo9935e.jpg)
The nebula is situated in the Puppis constellation.
![AP070206062765-jpg_160916.jpg](https://steemitimages.com/DQmUEmJgouabnHcNBmcE5YqPHKBFFT7hkkaNrgtZSbosPxH/AP070206062765-jpg_160916.jpg)
It was discovered by William Herschel on March 4, 1790. 
![n2440cremerwide.jpg](https://steemitimages.com/DQmQkwZudWLJEBN3hfQKwV8gf87H5hiUP6XxwxB6wM3Mt9M/n2440cremerwide.jpg)
</center>
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vote your-acct "spacehd" "ngc-2440-or-nebula-or-hd-space-pictures" 100 true
post_comment your-acct "re-spacehd-ngc-2440-or-nebula-or-hd-space-pictures-20170926t021828110z" "spacehd" "ngc-2440-or-nebula-or-hd-space-pictures" "" "your reply.." "{}" true

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· @etcmike ·
$9.49
European Space Agency (ESA) Plans Its Moon Village
In Riga, Latvia at the 2017 European Planetary Science Congress Bernard Foing, ESA Moon Village ambassador, set the scene for community life on the moon by 2040-2050.

<center> http://www.sciencealert.com/images/nov-15/Multi-dome.jpg
[Image Source](http://www.sciencealert.com/europe-plans-to-build-a-moon-village-by-2030-space-agency-announces) </center>

The ESA thinks construction of a manned lunar base could happen in the next 5 years.  The Moon Village could also provide a boost to future space exploration of planets like Mars.

# 3D Printing of Moon Village Structures


<center> http://www.sciencealert.com/images/articles/processed/Lunar_base_1024.jpg
[Image Source](http://www.sciencealert.com/experts-think-a-village-on-the-moon-could-look-like-this-in-the-next-20-years) </center>

The plan starts with 6 to 10 astronaut pioneers who lay down the foundations for Moon Village using robots and materials available on the lunar surface.  Huge 3D printers will be used to build the Moon Village structures.

The 
πŸ‘  , , , , , , , , , , , , , , , , , , , , , , , ,
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vote your-acct "etcmike" "european-space-agency-esa-plans-its-moon-village" 100 true
post_comment your-acct "re-etcmike-european-space-agency-esa-plans-its-moon-village-20170926t021828125z" "etcmike" "european-space-agency-esa-plans-its-moon-village" "" "your reply.." "{}" true

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· @jang ·
$6.41
Space Weather, Hurricane, Earthquakes, 1770 | S0 News Sept.24.2017 + Climate Change Just Changed
![](https://imgp.golos.io/0x0/https://img1.steemit.com/0x0/http://www.nasa.gov/sites/default/files/525022main_faq12_0.jpg)

"Eyes open, no fear!" - Daily Solar Alerts, World Weather, Space Watch, Earthquake Update and Much More News from Suspicious0bservers...  
**Be in the Top 1% in Solar Awareness among the Human Species!**

<iframe width="640" height="360" src="https://www.youtube.com/embed/X_g2immcL8o" frameborder="0" allowfullscreen></iframe>      

<center>**Climate Change Just Changed**</center>

<iframe width="640" height="360" src="https://www.youtube.com/embed/MS0qLhqaZDM" frameborder="0" allowfullscreen></iframe>   

***
Source: http://www.Suspicious0bservers.org
Image credit : www.nasa.gov

Enjoy and Be Safe Everyone!...:)...

https://steemitimages.com/0x0/https://i.imgsafe.org/508f00d786.gif  

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vote your-acct "jang" "space-weather-hurricane-earthquakes-1770-or-s0-news-sept-24-2017-climate-change-just-changed" 100 true
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· @spacehd ·
$3.93
B Cassiopeiae | Super Nova | HD Space Pictures
<center> 
SN 1572, "B Cassiopeiae", or 3C 10 was a supernova of Type Ia in the constellation Cassiopeia, one of about eight supernovae visible to the naked eye in historical records.

![PIA03519-1920x1200.jpg](https://steemitimages.com/DQmRRn38n5SvnExkTb6iPoBUpsQMV7AKpBkmF38LS4hbjWq/PIA03519-1920x1200.jpg)
This false-color image from three of NASA's Great Observatories provides one example of how the star died in a fiery supernova blast.
![CasA.jpg](https://steemitimages.com/DQmS1VzY8ZyVmC1zscyoyScDXGPABje1gHvh8HWAJzCj1Dn/CasA.jpg)
This composite image of the Tycho supernova remnant combines infrared and X-ray observations obtained with NASA's Spitzer and Chandra space observatories.
![Tycho-supernova-xray.jpg](https://steemitimages.com/DQmbaHc69iBx5MJwdNtYjAP7Bf8Mx3JSGmR9TpsVF4KphmV/Tycho-supernova-xray.jpg)
</center>
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vote your-acct "spacehd" "b-cassiopeiae-or-super-nova-or-hd-space-pictures" 100 true
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· @spacehd ·
$4.41
Super Nova 185 | HD Space Pictures
SN 185 was a transient astronomical event observed in AD 185, likely a supernova. The transient occurred in the direction of Alpha Centauri, between the constellations Circinus and Centaurus.
![Keplers_supernova.jpg](https://steemitimages.com/DQmSm8SQ1WeE4i2by1yi7k5EsvbKBPoADPi88Ngm4uMey8P/Keplers_supernova.jpg)
 It remained visible in the night sky for eight months. This is believed to be the first supernova for which records exist.
![1200px-RCW_86.jpg](https://steemitimages.com/DQmVaaB5fqjpGNwJV5faU5xZMKFoU6bgqtZ96DLVfEmBGnC/1200px-RCW_86.jpg)
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vote your-acct "spacehd" "super-nova-185-or-hd-space-pictures" 100 true
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· @jonathanxvi ·
$9.57
Messier 33: Triangulum Galaxy
<html>
<p><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/e/ea/M33_-_Triangulum_Galaxy.jpg/1024px-M33_-_Triangulum_Galaxy.jpg" width="1024" height="652"/></p>
<p>&nbsp;&nbsp;<em>Triangulum Galaxy Messier 33. Image source: </em><a href="https://upload.wikimedia.org/wikipedia/commons/thumb/e/ea/M33_-_Triangulum_Galaxy.jpg/1024px-M33_-_Triangulum_Galaxy.jpg"><em>[1]</em></a></p>
<p>&nbsp;&nbsp;In the small northern <a href="https://en.wikipedia.org/wiki/Triangulum">constellation of the Triangulum</a> is Messier 33, a splendid spiral galaxy. It is also known as the triangle galaxy, Messier 33 exceeds 50,000 light years in length, so it is located third in size in the Local Group of galaxies, after the galaxy of Andromeda (Messier 31) and ours, the Milky Way. &nbsp;</p>
<p>&nbsp;&nbsp;This galaxy, Messier 33, takes its name from the constellation to which it belongs, Triangulum, and not from its form as mistakenly think those who are approaching this interesting object for the first time.&nbsp;</p>
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vote your-acct "jonathanxvi" "messier-33-triangulum-galaxy" 100 true
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· @jonathanxvi ·
$22.02
Messier 31: Andromeda Galaxy
<html>
<p><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/98/Andromeda_Galaxy_%28with_h-alpha%29.jpg/1024px-Andromeda_Galaxy_%28with_h-alpha%29.jpg" width="1024" height="673"/></p>
<p>&nbsp;&nbsp;<em>The Andromeda Galaxy. Image source: </em><a href="https://upload.wikimedia.org/wikipedia/commons/thumb/9/98/Andromeda_Galaxy_%28with_h-alpha%29.jpg/1024px-Andromeda_Galaxy_%28with_h-alpha%29.jpg"><em>[1]</em></a></p>
<p>&nbsp;&nbsp;The galaxy of Andromeda is also known as MESSIER 31, since it is the Messier catalog number object 31 of fuzzy objects in the sky. It is a super giant spiral of the type Sb with a luminosity that is, apparently, something greater than the one of our galaxy. It is turned towards us so that its main plane constitutes an angle of 15 degrees with the line of sight, that is, it is almost in profile. However, a 15-degree angle is not small enough so that the dusty matter near the main plane of this galaxy can manifest itself as a dark belt. Andromeda is 2.5 million light yea
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vote your-acct "jonathanxvi" "messier-31-andromeda-galaxy" 100 true
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· @fubar165 ·
$3.77
Newslink: Warp Speed Ahead! 'Star Trek: Discovery' Premieres Tonight
![](https://steemitimages.com/DQmckKZQqv2cCF2dudD9eVowE2exHLs7SYHP9Y3VsWwgAW2/image.png)

>  Starting tonight (Sept. 24), a new "Star Trek" TV series will boldly take viewers further into the universe of Starfleet. 

https://www.space.com/38250-star-trek-discovery-premieres-tonight.html
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· @decentropia ·
$1.84
Drawing: Binary Stars
Binary Stars are the most common star system in the Universe. Our Closest neighbor is a binary star system a binary stars Alpha Centauri A and Alpha Centauri B. Drawn in Paint3D, Windows 10 app.

![star2.jpg](https://steemitimages.com/DQmb7CvYfiW1azUhZFJjRUm3KXLAxtJDcX9chewrx7x8nex/star2.jpg)

<center>Follow me for more beautiful photography, specially of animals and nature, occasional poetry and blogging about Utopia</center>
<center>@decentropia</center>
πŸ‘  , , , , , , , , ,
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· @zathras ·
$2.73
Newslink: Scientists Analyze Earth's Elemental Makeup to See How the Planet Was Formed
![](https://steemitimages.com/DQmeP44qQ71r4yBhBCsdfhx98YoULxYRbHb6AeGmbfANLD2/image.png)

 A new estimate of our planet's chemical composition will help scientists understand how the Earth formed 4.6 billion years ago. 

https://www.space.com/38235-earth-elemental-makeup-how-planet-formed.html
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