planetary.org

The Planetary Society is an American internationally active, non-governmental, nonprofit foundation. It is involved in research, public outreach, and political advocacy for engineering projects related to astronomy, planetary science, and space exploration. It was founded in 1980 by Carl Sagan, Bruce Murray, and Louis Friedman, and has about 60,000 members from more than 100 countries around the world. More information...

Multilingual Wikipedia

In June 2020 the website planetary.org was on the 3,413^th place in the ranking of the most reliable and popular sources in multilingual Wikipedia from readers' point of view (PR-score). If we consider only frequency of appearance of this source in references of Wikipedia articles (F-score), this website was on the 2,519^th place in June 2020. From Wikipedians' point of view, "planetary.org" is the 3,701^st most reliable source in different language versions of Wikipedia (AR-score).

The website is placed before historicengland.org.uk and after webexhibits.org in multilingual PR ranking of the most reliable sources in Wikipedia.

PR-score:

3,413^th place

9,955,727

-1,508,775

AR-score:

3,701^st place

1,285,799

+695

F-score:

2,519^th place

5,852

+25

English Wikipedia (en)

PR-score:

2,891^st place

6,020,457

-410,627

AR-score:

3,546^th place

544,382

-1,597

F-score:

3,563^rd place

1,265

+2

French Wikipedia (fr)

PR-score:

1,735^th place

799,166

-229,370

AR-score:

2,270^th place

122,052

-1,950

F-score:

1,646^th place

525

+4

Spanish Wikipedia (es)

PR-score:

5,143^rd place

416,438

-129,650

AR-score:

5,245^th place

46,325

+174

F-score:

2,955^th place

213

0

German Wikipedia (de)

PR-score:

4,387^th place

395,604

-5,290

AR-score:

4,631^st place

61,248

+96

F-score:

4,935^th place

120

0

Russian Wikipedia (ru)

PR-score:

5,919^th place

329,663

-173,065

AR-score:

5,264^th place

36,886

+677

F-score:

3,697^th place

195

+1

Chinese Wikipedia (zh)

PR-score:

3,197^th place

304,207

-4,051

AR-score:

2,204^th place

36,478

+17

F-score:

1,484^th place

256

0

Italian Wikipedia (it)

PR-score:

3,053^rd place

225,894

-149,394

AR-score:

3,119^th place

52,085

+463

F-score:

1,595^th place

268

+1

Japanese Wikipedia (ja)

PR-score:

7,036^th place

212,744

-31,496

AR-score:

5,394^th place

22,640

+58

F-score:

2,272^nd place

232

0

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