sunset_gliese667c.jpg

Scientists Discover Nearby Star Is Harboring Not 1 or 2 but 3 'Super Earths' That Could Support Life

Up until now, the most planets ever found in one habitable zone was two.

Planetary Habitability Laboratory

Twenty-two light years away in the direction of the constellation Scorpius lies a system of three stars known as Gliese 667. Today, scientists have announcedthat a close examination of one of those stars, Gliese 667C, has revealed a solar system simply loaded with planets, with six or possibly seven planets, three of which orbit within the star's habitable zone -- the not-too-close-not-too-far region that could potentially sustain liquid water.

eso1328b.jpg

A diagram showing the locations of the six, possibly seven, planets orbiting Gliese 667C. Planet Gliese 667C h is still unconfirmed. (ESO)

In April, NASA announced the discovery of two planets in the habitable zone of another star, Kepler 62, but Gliese 667C is the first star known to tally up three. The planets are what's known as "super Earths" -- larger than our own planet, but nowhere near the size of even the smaller gas giants (Neptune and Uranus) of our own system.

gliese667c_habitable.jpg

Planetary Habitability Laboratory

A press release from the European Southern Observatory (ESO) said, "The new planets completely fill up the habitable zone of Gliese 667C, as there are no more stable orbits in which a planet could exist at the right distance to it. " The habitable zone of Gliese 667C is much smaller and closer in than our own star's, because Gliese 667C is a cooler star. A video that the ESO released shows what the orbits look like. You'll see that all but one are quite close to the star -- the ESO has drawn in where Mercury's orbit would be, relative to our own star, for scale (and Mercury has the smallest orbit of all the planets in our solar system, so this really gives an idea of just how tight these orbits are).

With each discovery of more and more exoplanets (perhaps as many as 17 billionEarth-sized ones in our galaxy alone), it feels like we are getting closer and closer to answering The Big Question: whether or not we're alone in the universe. Sara Seager, an astrobiologist at MIT, recently proposed an equation to buffer Drake's, which attempts to calculate the probability that there's intelligent life out there. Seager's equation takes a slightly different turn, asking not what the likelihood of intelligent life is, but what the likelihood is that there is detectablelife out there (life of any kind, not necessarily intelligent). 

That is the moment we live in -- one in which we can begin to ask not whether something is out there, but whether we might actually be able to find it. With the launch of the James Webb Space Telescope in 2018, we'll have a chance to look for "detectable biosignature gases" in the atmospheres of identified exoplanets, and that's when things will really start to get interesting.

Do more planets mean that life is out there? We don't yet know, and the reason we don't yet know is because we don't know the probability that life begins at all, even given the right conditions. But, because we apparently have an abundance of laboratories in our galaxy (some 17 billion), that should at some point turn out to be a knowable thing -- a point made beautifully by astrobiologist Caleb Scharf in Aeon recently. Scharf writes:

The special thing about our planet-rich universe is that it's tuned both for life and for finding out about life. If we were [in an] imaginary universe with only one planetary system, we would have no way of learning how frequently life arises. We live in a universe that allows us to get some measure of our own significance. There is nothing in our present understanding of the nature of life or the universe that says this was absolutely necessary, yet here it is.

It's not clear that we'll ever be able to solve this puzzle. To start with, we need to build that equation for abiogenesis, we have to dig deeper in the astrophysical dirt to find places in the universe that might harbour life, to follow nature's breadcrumbs, as it were. The strategy is straightforward: seek out more worlds that might share some of Earth's characteristics, and search their surfaces for the chemical signatures of life. It won't be easy but, unlike 20 years ago, we now know we have a galaxy's worth of planets to chase, and we know that if we persevere, the equation will eventually come into focus.

That this work is even possible has, in a very real sense, already changed our universe. Not because it's told us anything quantitatively new about life elsewhere, but rather because it's raised the stakes for evaluating our significance, our cosmic loneliness, to a whole new level. Not only are the fundamental properties of our universe aligned, and tuned to, the needs of life, they also promise success in our quest to discover life's frequency, origins, and perhaps the very causes of this tuning itself. And it didn't have to be like this at all. If you turn it over in your mind enough times, you realise that Albert Einstein was right when he said: 'The most incomprehensible thing about the universe is that it is comprehensible.'

E-mail me when people leave their comments –

You need to be a member of Ashtar Command - Spiritual Community to add comments!

Join Ashtar Command - Spiritual Community

Copyright Policy: Always Include 30-50% of the source material and a link to the original article. You may not post, modify, distribute, or reproduce in any way any copyrighted material, trademarks, or other proprietary information belonging to others without obtaining the prior written consent of the owner of such proprietary rights. If you believe that someone's work has been copied and posted on Ashtar Command in a way that constitutes copyright infringement, please Contact Us and include the links to these pages and relevant info. 

Latest Activity

RandyFirstContact commented on Movella's blog post Arcturian visitations ✨
"Thanks for that Movella! After first contact, I am going to spend some time with my Sirian galactic mentor, a woman from the atar clan (not sure if I have her correct name) and may explore my akasha and adopt a Sirian name which is more aligned…"
30 minutes ago
Movella commented on Movella's blog post Arcturian visitations ✨
"Good question Randy, which Drekx provided an excellent response too.
For further context, my soul name ‘Movella’ was discovered in the Akashic records and confirmed to us by our plejaren contact Quetzel..
In Atlantian times my name was ‘M’ovella’…"
42 minutes ago
Love & Joy posted a discussion
...Mary, Mother of All ~ This is a non-denominational Healing Meditation to connect with your Sacred Dream and the Unconditional Love & Grace of the Divine through the consciousness and Spirit of Mother Mary. Mother Mary is here for everyone,…
1 hour ago
Love & Joy posted a discussion
 https://content.app-us1.com/cdn-cgi/image/onerror=redirect,width=65... alt="" width="446" data-bit="iit" />Mother Mary's Blessings Flowing To You I am…
1 hour ago
RandyFirstContact commented on Movella's blog post Arcturian visitations ✨
"It is also interesting what you said about pigs. In certain Ascended Master teachings organizations, the chelas I have met won't eat pork. They explained that pigs contained human DNA from the time of Atlantis. So it is interesting to have that…"
2 hours ago
RandyFirstContact commented on Movella's blog post Arcturian visitations ✨
"Thanks for that data Drekx. Sirian is a language I will definitely have to master one day. The language is rich with spiritual wisdom and meaning.

And thanks for the explanation on the development of the third strand of DNA. That makes sense. I…"
2 hours ago
Drekx Omega commented on Movella's blog post Arcturian visitations ✨
"Randy, as a bonus regarding Sirian names: KALESTRA......which translates as follows.....

Kal is a Sirian word meaning "crystal" and can also suggest "crystalline." The word "es" is used to suggest "perfection" and the femine form of "tro" is "tra"…"
3 hours ago
Drekx Omega commented on Movella's blog post Arcturian visitations ✨
"I would suggest that esoterically, the determinant factor for the active third strand is evolutionary experience, as that process of growth is attained through incarnating in the world and raising consciousness and therefore light quotient...…"
3 hours ago
More…