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April 2, 2020
News

From Wikipedia Signpost, VOLUME 16, 1 March 2020
* From the editor: The ball is in your court
* News and notes: Alexa ranking down to 13th
* Special report: More participation,
more conversation, more pageviews
* In the media: Mapping IP editors, Smithsonian
open-access, and coronavirus disinformation
* Discussion report: Do you prefer M or P?
* Arbitration report: Two prominent
administrators removed
* By the numbers: How many actions by
administrators does it take to clean up spam?
* Community view: The Incredible Invisible Woman
* In focus: History of The Signpost, 2015–2019
* Recent research: Wikipedia generates
$50 billion/year consumer surplus in the US alone
* From the archives: Is Wikipedia for sale?
* Traffic report: February articles, floating in the dark
* Gallery: Feel the love
* On the bright side: What's making you happy
this month?
* Op-Ed: What I learned as Wikimedia UK
Communications Coordinator
* Opinion: Wikipedia is another country
* Humour: The Wilhelm scream

From Wikipedia Signpost, VOLUME 16, 27 Jan 2020
* From the editor: Reaching six million articles is
great, but we need a moratorium
* News and notes: Six million articles on the English
language Wikipedia
* Special report: The limits of volunteerism and the
gatekeepers of Team Encarta
* In the media: Turkey's back up, but what's
happening with Dot-org and a new visual identity?
* Arbitration report: Three cases at ArbCom
* Traffic report: The most viewed articles of 2019
* Gallery: Wiki Loves Monuments 2019, we're all
winners
* News from the WMF: Capacity Building: Top 5
Themes from Community Conversations
* Community view: Our most important new article
since November 1, 2015
* In focus: Cryptos and bitcoins and blockchains,
oh no!
* Recent research: Is Wikipedia for novice
programmers useful to learn computing concepts?
* From the archives: A decade of The Signpost,
2005-2015
* On the bright side: What's making you happy
this month?
* WikiProject report: WikiProject Japan:
a wikiProject Report
* Humour: Predicting the 6,000,000th article
* Obituary: Remembering Wikipedia contributor
Brian Boulton
Tools
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In physical cosmology and astronomy, dark energy is an unknown form of energy which is hypothesized to permeate all of space, tending to accelerate the expansion of the universe. Dark energy is the most accepted hypothesis to explain the observations since the 1990s indicating that the universe is expanding at an accelerating rate.

Assuming that the standard model of cosmology is correct, the best current measurements indicate that dark energy contributes 68% of the total energy in the present-day observable universe. The mass–energy of dark matterand ordinary (baryonic) matter contribute 27% and 5%, respectively, and other components such as neutrinos and photons contribute a very small amount. The density of dark energy is very low (~ 7 × 10−30 g/cm3), much less than the density of ordinary matter or dark matter within galaxies. However, it dominates the mass–energy of the universe because it is uniform across space.

Two proposed forms of dark energy are the cosmological constant, representing a constant energy density filling space homogeneously, and scalar fields such as quintessence or moduli, dynamic quantities whose energy density can vary in time and space. Contributions from scalar fields that are constant in space are usually also included in the cosmological constant. The cosmological constant can be formulated to be equivalent to the zero-point radiation of space i.e. the vacuum energy. Scalar fields that change in space can be difficult to distinguish from a cosmological constant because the change may be extremely slow. Read more


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PHYThis user is familiar with physics
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Don't destroy the earth!
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AFIThis user has uploaded a few images
AFPThis user has created a few pages

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Lorem ipsum dolor sit amet, consectetur adipisici elit, sed eiusmod tempor incidunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquid ex ea commodi consequat. Quis aute iure reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint obcaecat cupiditat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. -- Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi. Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi. Nam liber tempor cum soluta nobis eleifend option congue nihil imperdiet doming id quod mazim placerat facer possim assum. Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, At accusam aliquyam diam diam dolore dolores duo eirmod eos erat, et nonumy sed tempor et et invidunt justo labore Stet clita ea et gubergren, kasd magna no rebum. sanctus sea sed takimata ut vero voluptua. est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat.

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