How long does it take a star to turn on? That is, during formation of a planetary system, the mass in the center condenses and eventually nuclear processes are started. How long does it take until the entire mass is β€œlitβ€œ, and the star begins to shine?
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πŸ“…︎ Dec 16 2021
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The Cats Eye Planetary Nebula (Supernova) - Shock-induced knots of gas (outer rings) suggest that the star ejected its mass in a series of pulses at 1500 year intervals.
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πŸ‘€︎ u/Boobjobless
πŸ“…︎ Oct 17 2021
🚨︎ report
Question about planetary mass

Could a solid planet with twice the surface area of earth possibly have the same/similar gravity?

For instance if that planet were somehow made of less dense/lighter material. Idk. I’m thinking a planet exactly like earth (i.e. rock planet with atmosphere/water), just way bigger.

I’m writing a story and I want there to be absolutely colossal continents. Yuge land masses.

However if the planet were 2x as big as earth on the surface, the gravity would be insane, all else kept proportional. And consequently humans would have to look very very different due to evolution from this amount of gravity, or they would just never have evolved and only insects or fish or whatever would be able to survive.

I know if it’s fantasy/fiction, ultimately most people don’t really care about this kind of stuff. But I’m wondering for myself would it be possible to have a huge solid planet without a disastrous increase in gravity?

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πŸ“…︎ Jan 03 2022
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A Mid-infrared Study of Directly Imaged Planetary-mass Companions Using Archival Spitzer/IRAC Images iopscience.iop.org/articl…
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πŸ‘€︎ u/joosth3
πŸ“…︎ Jan 03 2022
🚨︎ report
TIL of the Great Oxidation Event when bacteria evolved photosynthesis about 2.4 BYA, generating O2 as a waste product which changed the methane atmosphere, led to planetary cooling, triggered a series of ice ages, a mass extinction event, new minerals, and led to the evolution of multicellular life. en.wikipedia.org/wiki/Gre…
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πŸ‘€︎ u/Sansabina
πŸ“…︎ Sep 25 2021
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How do you use planetary mass in gigastructural engineering?

I built a bunch of planetary mass harvesters and i have a decent stockpile, but i cant figure out which of these megastructures builds the darn thing. i looked it up and saw something about a "lunar macro fabricator" but despite building attack moons and planetcraft, and having all the megastructure traditions, i can't build one, its not listed.does anyone have any idea how i use the planetary mass?

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πŸ‘€︎ u/generalking008
πŸ“…︎ Dec 09 2021
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A planetary mass chart
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πŸ‘€︎ u/Brysonperidot215
πŸ“…︎ Dec 19 2021
🚨︎ report
TIL Astronomers discovered a solid planetary body that may actually be the core of a giant gas planet that lost its atmosphere. This body is about 3.5 times the radius of Earth but has a 39 times greater mass than Earth. bbc.com/news/science-envi…
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πŸ“…︎ Aug 26 2021
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Is moral to allow a planetary mass extinction in order to… O whatever, forget about it.
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πŸ‘€︎ u/SAMU0L0
πŸ“…︎ Sep 01 2021
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Would a solar flare be a good cause for a mass extinction on a planet/planetary ring dominated by machine based life?

Also, how would mechanical life recover from said solar flare?

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πŸ‘€︎ u/not_ur_uncle
πŸ“…︎ Oct 23 2021
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Responding to Weird Stuff: Problem Solving the Ketroc Puzzle - Planetary Fortress Expand into Mass Ravens

So, I did a pretty long (not sure if good) reply to a question from u/RawwkSC2's post. I thought maybe some others, who may miss it in the depths of the comment section might benefit from reading this approach. OR! You may be able to tell me why I'm dumb and help me improve on my problem solving skills!

Original Reply (based just on theory crafting, without timings of the build. This is why posting a replay is critical, so we can see the timing windows / scouting info)

Hey! Late to the party. Do you have a replay we could have a look at? I can't recall the timings of the PF into Ravens build. But, there should be a fairly simple kill timing quite early on, which you can abuse and not even worry about it.

My usual approach to "nonsense" stuff is to just kill them. There is a reason this isn't standard at the pro level. Same with one or 2 base mass BC (not the uThermal BC guide which is viable because it gets... other units lol), or other shenanigans. It's all about finding the weak spot, being able to scout it, and just making a mental note to do X and you see it.

For example, lets say they PF at 2:00, and they start Raven production at 3:00 or 3:30 (depending if 1/1/1 CC or a regular Expand into 1/1/1). OK, so by around 5:00 they should have 2-3 Ravens. OK, so if we scout an Ebay and a PF by 3:00, lets say we're doing a 2 Gas Factory expand (1/1/0 with a 2:20 CC), then we just do the following: ask what they can have at 5:00 and what can kill a PF, 2-3 Ravens and a couple tanks (remember, they won't have that much since they're mining a lot of gas to sustain their Raven production, and the PF also costs gas. They're likely either cutting on mineral based stuff, or they're cutting Tanks.

OK, so if we go for a 3:00 Starport (standard with either RFE or 2 Gas 1/1/0 CC) then by 3:40 we can start producing air units. Accounting for 30s travel time across the map, we could have 4 Vikings on his side of the map at 5:10. We could also start Tech Lab Factory production at 3:00 if we haven't gone for 2 Hellions, or just in general if going RFE. So we could have 3 TL units on his side by 5:00. I'd probably suggest going for 1 Tank and 2 Cyclones. The Tank would put his PF on a timer, and force the Ravens to engage. Your Barracks could also have made between 4-8 Marin

... keep reading on reddit ➑

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πŸ‘€︎ u/Osiris1316
πŸ“…︎ Jun 02 2021
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On the Detection Of Exomoons Transiting Isolated Planetary-Mass Objects astrobiology.com/2021/08/…
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πŸ‘€︎ u/Galileos_grandson
πŸ“…︎ Aug 23 2021
🚨︎ report
Can transporters beam through a planetary mass, or do Starships stay in a geostationary orbit over away teams all the time?

A Starship in a β€œstandard” orbit should only be above the planetary horizon of a landing party a small part of the time, and then for a short time only. Yet, they always seem to be in comm range and able to transport people up or down instantly.

It makes sone sense that communications might work from behind the planet, but it seems to me that transporters would be line-of-sight only, ie. unable to transport through a planetary mass. The only way a ship could stay constantly in line-of-sight transporter range would be in a geostationary orbit, yet they are normally said to be in β€œstandard” orbits and are seen on screen to be whizzing around the planet.

Do they deploy relay satellites every time? Am I missing something obvious?

πŸ‘︎ 207
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πŸ‘€︎ u/Zarnywoop
πŸ“…︎ Feb 28 2021
🚨︎ report
Mass Effect - Planetary Adventures [Photomode, ReShade, Range Remover] flickr.com/photos/1242959…
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πŸ‘€︎ u/Snzaki
πŸ“…︎ May 29 2021
🚨︎ report
Noon question: mass Planetary fortress defence

Hi, So I see terran Command Centres falling to Z and P runbies all the times in pro games, especially to banelings/zerglings. Often the same base would be taken, destroyed rebuilt 4-5 times in the course of a game. Why not simply invest a little more in static defences early beforehand and have 2-3 Planetary Fortresses stacked in the more remote bases in order to prevent this? Some advantages:

  • by placing PFs carefully, one can create walls/chokepoints where needed
  • place a single siege tank/sensory tower behind the PF wall, instead if out in the open
  • PF splash damage doesn't harm friendly units, unlike other splash
  • a critical mass of 2-3 PFs + tank together is hard to overrun
  • even if 1-2 fall, there is little to no loss in mining time
  • no need to rebuild the base, so no loss in build time
  • fewer SCV losses: no more 15 workers killed in a single attack -> even less mining/building time lost
  • if Orbital Command is placed to protect PC, the opponent has to choose between taking PF/tank damage while attacking the OC (that can lift last minute anyway) or travel further past the OC and attack the PF, but this way the OC survives and there's still no loss in mining time + mules available
  • added static defences with no supply cap
  • less need to move armies around to defend bases
  • added deterrent so less enemy run-bies to begin with

It's expensive upfront, but so is rebuilding the same base 3-4 times+ 50 SCVs, and that doesn't have any of the advantages listed above. So why isn't more PFs a more common strategy?

πŸ‘︎ 5
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πŸ‘€︎ u/Wham2020
πŸ“…︎ May 20 2021
🚨︎ report
Thermal Gradients on Planetary Bodies and the Molar Mass Ideal Gas Law tsijournals.com/articles/…
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πŸ‘€︎ u/LackmustestTester
πŸ“…︎ Jun 20 2021
🚨︎ report
[A3][Recruiting][NA/EU] Systems Alliance 3rd Planetary Division / Mass Effect

Prepare for Planetfall!

https://preview.redd.it/15yc5hvfxca71.jpg?width=1920&format=pjpg&auto=webp&s=82f0fdffda885c269133db98de12cf3537f29312

Who Are We?

The Systems Alliance 3rd Planetary Division is a spinoff unit from the Triple-A series "Mass Effect", here we will be operating during the events of Mass Effect 1 and Mass Effect 2.

Timezone & Country

We are based out of the Central United States (CST) and will plan operations accordingly!

Attendance
Starting out, we will be slowly increasing the number of operations per week, at this point, it will be one (1) Main Operation, Saturdays (time to be announced in server), and one (1) Field Training Exercise on Wednesday evenings.

Looking For

The Systems Alliance 3rd Planetary Division is mainly looking for Command Staff and Ground units at this moment. When the unit grows to size, more opportunities will be opened up!.

https://preview.redd.it/61931k9ixca71.jpg?width=1920&format=pjpg&auto=webp&s=c5ba7bc24dc3d95ddd061cc5d2ba27ad2c866230

Final Words

The SA3PD is open to all types of players, we aren't looking to take ourselves too seriously outside of operations, as we all have lives outside of Arma 3. We welcome both serious and casual players, and during the operations all will be expected to hold realism.

If you have any questions or are interested in joining the unit, join the discord to get in direct contact with any Command Staff!

- Commander Templar

Discord - https://discord.gg/R4bPUxN3Ud

πŸ‘︎ 4
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πŸ‘€︎ u/TemplarBOMSF
πŸ“…︎ Jul 10 2021
🚨︎ report
I threw mars into the earth and created a mass extinction, along with an planetary-sized mushroom cloud

https://preview.redd.it/zuxzlj3gwcu61.png?width=1920&format=png&auto=webp&s=f10f22532de5021dfae22c45392bee5d7b3d3e4e

πŸ‘︎ 14
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πŸ‘€︎ u/TylerTheCat9999
πŸ“…︎ Apr 20 2021
🚨︎ report
I'm finished with my 5th planetary system. This time, the habitable planet in the system has a similar mass and radius to earth, but it's unique in aspects to not being too earth-like, just for some realism. scribd.com/document/50846…
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πŸ‘€︎ u/AZZAZION
πŸ“…︎ May 19 2021
🚨︎ report
The Pyramids of Egypt are found out to be mass extinction devices controlled by a superior planetary force. They plan to use them in one year. What could we do?
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πŸ‘€︎ u/carsonIsHereNow
πŸ“…︎ Mar 17 2021
🚨︎ report
simple planetary mass-radius diagram
πŸ‘︎ 5
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πŸ‘€︎ u/ThunderxBolt
πŸ“…︎ Apr 26 2021
🚨︎ report
Man 20 buck spins is killing it. Oranssi Pazuzu - VΓ€rΓ€htelijΓ€, Fetid- seeping corporeal mass, Tomb Mold - Planetary Clairvoyance, Artamentus - Stygian, Whitch Vomit - Buried Deep In A Bottomless Grave, Terminal Nation - Holocene Extinction. Support usps
πŸ‘︎ 100
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πŸ‘€︎ u/vegscott
πŸ“…︎ Sep 04 2020
🚨︎ report
A horrible and complete success: Anti-communist mass-murder and planetary Americanization. by This is Hell! soundcloud.com/this-is-he…
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πŸ‘€︎ u/Xo_Chi_Minh
πŸ“…︎ May 01 2021
🚨︎ report
What happens to the planets orbiting a low mass star when it forms a planetary nebula?

When a low mass star like our sun nears the end of its life cycle, it sheds its outer layers of gas, forming a planetary nebula with a white dwarf at its center. When these outer layers are shed, what effect would they have on the planets orbiting the star?

Would the shedded outer layers violently strip away atmospheres, level mountains, scatter moons and ring systems, or destroy the planets entirely?

Would the added drag from the gas slow the planets down and cause them to fall into the white dwarf?

Would the reduced mass of the white dwarf cause the planets to drift away into space, even in spite of the increased drag of the nebula?

Or would some other fate await these planets?

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πŸ‘€︎ u/question_quigley
πŸ“…︎ Nov 30 2020
🚨︎ report
An aerosol consisting of a visible mass of minute liquid droplets, frozen crystals, or other particles suspended in the atmosphere of a planetary body or similar space starter pack
πŸ‘︎ 130
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πŸ‘€︎ u/HellFireBro
πŸ“…︎ Sep 08 2020
🚨︎ report
The Milky Way's supermassive black hole may chew up stars and spit out fluffy rogue planets. According to a 2017 study, anywhere from 1,000 to 10,000 of these "planetary-mass fragments" (about the mass of Jupiter) form during a single event, and sometimes are even ejected from the galaxy entirely. astronomy.com/news/2017/0…
πŸ‘︎ 6k
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πŸ‘€︎ u/clayt6
πŸ“…︎ May 10 2018
🚨︎ report
Featured Image: A Wide Planetary-Mass Binary aasnova.org/2021/01/04/fe…
πŸ‘︎ 9
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πŸ‘€︎ u/Galileos_grandson
πŸ“…︎ Jan 05 2021
🚨︎ report
CASUAL REMINDER: LESS THAN 12 HOURS LEFT for our GLOBAL MASS MEDITATION for establishing PLANETARY DIVINE GOVERNANCE

TL;DR: The outcome of the ongoing US elections will affect ALL HUMANITY whether they like it or not. So DO join us all in the global meditation for setting up Divine Governance in the US (and everywhere else!) --- a meditation that seeks to FORCE a DIVINELY INSPIRED OUTCOME for the HIGHEST BENEFIT OF ALL LIVING BEINGS as opposed to electing some specific person or party. This Mass Global Meditation will take place on the 29th of October, 2020, at 11:11 AM, Pacific Daylight Time (CLICK HERE to quickly check the timing conversions for your local Time Zone), though you all are HIGHLY ADVISED TO KEEP DOING THIS whenever you so get the time for doing this hereafter. Even sparing but a couple of minutes each day hereon will do WONDERS for the outcome of not just THIS election, but so much more. Finally, here's some IRREFUTABLE PROOF that DIVINE TRANSFORMATION on such lines is ALREADY AFOOT (even as you read this text), and, as such, isn't exactly a fairy tale dream. As also some IRREFUTABLE EVIDENCE of the fact that all of this "mass meditation stuff" stuff truly, really, WORKS.

A YET ANOTHER EPIC-ALLY additional way that you can use to serve and support the planet and its people at this time. And YET ANOTHER ONE!


Main Message Begins...

Currently, the United States just so happens to be the global headquarters (as well as the breeding ground / playing field) for all those of lesser-light and lower-intent. These worshippers of darkness and deceit have ruled over humanity for many, many, eons upon eons now -- and basically think of us as their permanent slaves. And if you have anything whatsoever to do with spirituality, awakening, or spiritual leanings of absolutely ANY sort in here, then, TRUST ME, these ones have gone to some extremely dark and messed up ways to shut you down. Did they succeed all t

... keep reading on reddit ➑

πŸ‘︎ 2
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πŸ‘€︎ u/beerathegreat
πŸ“…︎ Oct 29 2020
🚨︎ report
An aerosol consisting of a visible mass of minute liquid droplets, frozen crystals, or other particles suspended in the atmosphere of a planetary body or similar space starter pack
πŸ‘︎ 82
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πŸ‘€︎ u/HellFireBro
πŸ“…︎ Sep 08 2020
🚨︎ report
Featured Image: A Wide Planetary-Mass Binary aasnova.org/2021/01/04/fe…
πŸ‘︎ 3
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πŸ‘€︎ u/ye_olde_astronaut
πŸ“…︎ Jan 05 2021
🚨︎ report
From volcanoes to revolutions, past catastrophic events remind us that a planetary crisis can lead to profound social transformation β€” or mass extinction. roarmag.org/essays/anothe…
πŸ‘︎ 18
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πŸ‘€︎ u/Esperaux
πŸ“…︎ Oct 28 2020
🚨︎ report
What to do against mass raven planetary fortress? (D3)

Here is a replay https://sc2replaystats.com/replay/12404914

I played far from good but ok.. (later in the game i really f* up, even my army hotkeys and stuff...

I usually go for ling bane hydra - rule of one gass. But i saw the planetary fortress at was a bit thrown of so i decided to go muta and changed my mind to corruptor. But should i really have gone for either roach ravager or roach hydra viper?

should i 2base attack this in the spirit of Day9 : if you see funny stuff, just go kill him?should i go 90 drones, get some hydras and tech up to ultra?

honestly no clue...please help!

πŸ‘︎ 13
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πŸ‘€︎ u/BEgaming
πŸ“…︎ Nov 21 2019
🚨︎ report
Starcraft 2 How to deal with mass of Planetary Fortress

Starcraft 2 How to deal with mass of Planetary Fortress

Hey guys,

I just can do shit vs mass of pfs with vikings who kill my overlords. If T is going BC Vikings Pfs Thors.

If I want to go brood lords, air units it doesnt matter if he has air defense. Im a zerg player. Can someone help me?

πŸ‘︎ 4
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πŸ‘€︎ u/HydropicGM
πŸ“…︎ Jun 24 2020
🚨︎ report
Some scientist say a "planetary safety net" of 50.4% of the earth's land mass would do it, but the new UN Biodiversity Agreement is drafted to protect 30% of lands and oceans by 2030. What are thoughts on it's possible effectiveness given how the Paris Accords have gone? theguardian.com/environme…
πŸ‘︎ 9
πŸ’¬︎
πŸ“…︎ Oct 02 2020
🚨︎ report
another apocalypse is possible: from volcanoes to revolutions, past catastrophic events remind us that a planetary crisis can lead to profound social transformation β€” or mass extinction // https://t.co/p6mj7uqXua roarmag.org/essays/anothe…
πŸ‘︎ 6
πŸ’¬︎
πŸ‘€︎ u/evolvesustain
πŸ“…︎ Oct 18 2020
🚨︎ report
Some scientist say a "planetary safety net" of 50.4% of the earth's land mass would do it, but the new UN Biodiversity Agreement is drafted to protect 30% of lands and oceans by 2030. What are thoughts on it's possible effectiveness given how the Paris Accords have gone? theguardian.com/environme…
πŸ‘︎ 8
πŸ’¬︎
πŸ“…︎ Oct 02 2020
🚨︎ report
[A3][Recruiting][NA/EU] Systems Alliance 3rd Planetary Division / Mass Effect

https://preview.redd.it/991rswfdkqc71.jpg?width=1920&format=pjpg&auto=webp&s=0a8e99ac908ab6ab4619993dffc396c308928c62

"For the greater good of the Alliance"

Who Are We?

The Systems Alliance 3rd Planetary Division is a spinoff unit from the Triple-A series "Mass Effect", here we will be operating during the events of Mass Effect 1 and Mass Effect 2.

Will I be able to play different species?

Yes! Currently our playable species' are limited to those allied with the Alliance! We have a Krogan and Salarian currently in our ranks. So whatever species you want to use, as long as it's an Alliance ally, is up to you!

Timezone & Country

We are based out of the Central United States (CST) and will plan operations accordingly!

Attendance
It will be one (1) Main Operation, Saturdays (time to be announced in server), and one (1) Field Training Exercise/Side Operations on Wednesday evenings.

Looking For

  • Various infantry slots
  • APC/Recon Vehicle Driver
  • APC/Recon Vehicle Gunner
  • APC/Recon Vehicle Commander
  • Combat Life Savers

Final Words

The SA3PD is open to all types of players, we aren't looking to take ourselves too seriously outside of operations, as we all have lives outside of Arma 3. We welcome both serious and casual players, and during the operations all will be expected to hold realism.

If you have any questions or are interested in joining the unit, join the discord to get in direct contact with any Recruiters or Specters!

- Commander Templar

Discord - https://discord.gg/R4bPUxN3Ud

Arma 3 Unit - https://units.arma3.com/unit/sa3pd

πŸ‘︎ 2
πŸ’¬︎
πŸ‘€︎ u/TemplarBOMSF
πŸ“…︎ Jul 22 2021
🚨︎ report
Why won't the sun shed much mass in its planetary nebula?

So like just before the planetary nebula the mass of the sun will be about half its current mass, according to many sources, but after the planetary nebula the mass of the white dwarf sun will almost be the same. Why is this?

πŸ‘︎ 3
πŸ’¬︎
πŸ“…︎ Jan 23 2021
🚨︎ report
CASUAL REMINDER: LESS THAN 12 HOURS LEFT for our GLOBAL MASS MEDITATION for establishing PLANETARY DIVINE GOVERNANCE

TL;DR: The outcome of the ongoing US elections will affect ALL HUMANITY whether they like it or not. So DO join us all in the global meditation for setting up Divine Governance in the US (and everywhere else!) --- a meditation that seeks to FORCE a DIVINELY INSPIRED OUTCOME for the HIGHEST BENEFIT OF ALL LIVING BEINGS as opposed to electing some specific person or party. This Mass Global Meditation will take place on the 29th of October, 2020, at 11:11 AM, Pacific Daylight Time (CLICK HERE to quickly check the timing conversions for your local Time Zone), though you all are HIGHLY ADVISED TO KEEP DOING THIS whenever you so get the time for doing this hereafter. Even sparing but a couple of minutes each day hereon will do WONDERS for the outcome of not just THIS election, but so much more. Finally, here's some IRREFUTABLE PROOF that DIVINE TRANSFORMATION on such lines is ALREADY AFOOT (even as you read this text), and, as such, isn't exactly a fairy tale dream. As also some IRREFUTABLE EVIDENCE of the fact that all of this "mass meditation stuff" stuff truly, really, WORKS.

A YET ANOTHER EPIC-ALLY additional way that you can use to serve and support the planet and its people at this time. And YET ANOTHER ONE!


Main Message Begins...

Currently, the United States just so happens to be the global headquarters (as well as the breeding ground / playing field) for all those of lesser-light and lower-intent. These worshippers of darkness and deceit have ruled over humanity for many, many, eons upon eons now -- and basically think of us as their permanent slaves. And if you have anything whatsoever to do with spirituality, awakening, or spiritual leanings of absolutely ANY sort in here, then, TRUST ME, these ones have gone to some extremely dark and messed up ways to shut you down. Did they succeed all t

... keep reading on reddit ➑

πŸ‘︎ 5
πŸ’¬︎
πŸ‘€︎ u/beerathegreat
πŸ“…︎ Oct 29 2020
🚨︎ report

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