Significant concepts: international space station, aboard the international, space flight, space show, commercial space program, deep space exploration, european space agency, space, united states, commercial space exploration, european space technology, space shuttle, european space mission, for more information, one giant leap foundation.

Most relevant domains

Most relevant domains based on cumulative page relevance to the topic as defined by example links and on the number of relevant domains linking to them.

domain	rank	page count	visit count	link count	relevance	popularity
http://youtube.com/	1	289	307	3806	0.98	4.57	youtube.com
http://spaceref.com/	2	317	317	1983	0.99	3.43	spaceref.com
http://thespacereview.com/	3	287	302	908	0.96	3.47	thespacereview.com
http://nss.org/	4	289	292	1060	0.99	3.05	nss.org
http://thespaceshow.com/	5	284	284	2730	1	3.01	thespaceshow.com
http://universetoday.com/	6	291	296	2636	0.99	3.01	universetoday.com
http://space.com/	7	200	204	2534	0.99	4.34	space.com
http://spacefrontier.org/	8	334	338	469	1	2.4	spacefrontier.org
http://esa.int/	9	189	191	2213	0.99	4.18	esa.int
http://spacenews.com/	10	219	221	836	0.97	3.65	spacenews.com

Atext

Most frequent phrases in anchor texts of links found in this topical graph .

atext	count	semantic flow ™
news	1499	233.53
share to facebook	843	188.26
share to twitter	841	188.13
read more	896	150.92
here	471	122.77
nasa	432	107.98
space	503	107.57
events	744	93.98
videos	577	87.37
january	330	77.35

Keyword ideas

Common word stems found in on-topic page titles.

word
space
satellit
launch
news
scienc
nasa
mission
archiv
intern
station

Popular pages

On-topic pages with highest topical PageRank.

title / url
Skylab Space Station : Historic Spacecraft Store https://www.cafepress.com/historicspacecraftstore/8428522	www.cafepress.com
Foundation Affiliates http://archive.spacefrontier.org/Affiliates/	archive.spacefrontier.org
Alabama Space Academy for Educators | www.spacecamp.com https://www.spacecamp.com/alsae	www.spacecamp.com
Space Chronicle 2014-2017 | The British Interplanetary Society Online ShopFrom Imagination to Reality https://www.bis-space.com/eshop/products-page/publications/space-chronicle/space-chronicle	www.bis-space.com
Contact u2013 Canadian Space Society https://css.ca/contact/	css.ca
Space Frontier Conference 14 http://archive.spacefrontier.org/Events/SFC14/	archive.spacefrontier.org
Space Telescopes : Historic Spacecraft Store https://www.cafepress.com/historicspacecraftstore/8428614	www.cafepress.com
Space Shuttle : Historic Spacecraft Store https://www.cafepress.com/historicspacecraftstore/8428424	www.cafepress.com
https://spacemicrobes.org/	spacemicrobes.org
Space Guy | Space Guy: 1930u2019s Pulp Space Hero Adventures https://spaceguy.wordpress.com/	spaceguy.wordpress.com

Popular prospect pages

On-topic pages with highest topical PageRank having a few outgoing links and domains.

title / url	PR	relevance	links	rel links	external links	external domains	referring domains	external backlinks
Welcome to AURA http://www.aura-astronomy.org/	1	1	37	10	5	4	1	1	www.aura-astronomy.org
Satellite TV - Essential Links to Satellite TV http://www.el.com/elinks/tv/sat/	1	1	64	36	36	35	1	1	www.el.com
James Oberg's Pioneering Space http://www.jamesoberg.com/spacetourism.html	1	1	53	38	16	8	0	0	www.jamesoberg.com
Jim Oberg's Pioneering Space http://www.jamesoberg.com/	1	1	253	111	59	26	1	1	www.jamesoberg.com
Nasa budgets: US spending on space travel since 1958 | Society | theguardian.com https://www.theguardian.com/news/datablog/2010/feb/01/nasa-budgets-us-spending-space-trave	1	0.63	54	21	6	4	1	1	www.theguardian.com
With £40bn for the taking, SMEs are venturing into space | Guardian Small Business Network | The Guardian https://www.theguardian.com/small-business-network/2016/apr/06/smes-venturing-space-market	1	1	90	43	12	10	1	1	www.theguardian.com
Indiau2019s Mars mission could be a giant leap | Priyamvada Gopal | Opinion | The Guardian https://www.theguardian.com/commentisfree/2014/sep/24/india-mars-mission-poverty-space-exp	1	1	88	41	5	5	0	0	www.theguardian.com
China plans manned moon mission | Science | The Guardian https://www.theguardian.com/science/2011/dec/30/china-manned-moon-mission-lunar	1	1	82	37	4	4	1	1	www.theguardian.com
Journeys to the International Space Station - Photos - The Big Picture - Boston.com http://archive.boston.com/bigpicture/2010/04/journeys_to_the_international.html	1	1	47	12	5	4	1	1	archive.boston.com
Citizen Astronaut and Space Hacker Workshop Tickets, Sat, May 4, 2013 at 9:00 AM | Eventbrite https://www.eventbrite.com/e/citizen-astronaut-and-space-hacker-workshop-tickets-550328046	1	0.62	57	11	6	5	1	1	www.eventbrite.com

Hubs

Pages with most links towards other likely on-topic pages.

url	count	PR	score	semantic flow ™	relevance	on topic	links	rel links	external links	external domains	referring domains	external backlinks
http://www.cbel.com/space_technology/?order=alpha	473	1	0.98	112.09	1	yes	1255	656	652	313	1	1	www.cbel.com
http://www.thespaceshow.com/show-search?f%5B0%5D=field_tags%3A200	455	1	0.96	162.73	1	yes	785	559	6	4	0	0	www.thespaceshow.com
https://www.cartoonstock.com/directory/s/space.asp	452	1	1	172.47	1	yes	671	453	0	0	1	1	www.cartoonstock.com
http://www.snark.ca/space.htm	414	1	0.96	133.66	1	yes	869	579	572	359	1	1	www.snark.ca
http://www.thespaceshow.com/show-search?f%5B0%5D=field_tags%3A200&f%5B1%5D=field_tags%3A46	384	1	0.97	140.93	1	yes	645	503	6	4	0	0	www.thespaceshow.com
https://www.espi.or.at/News-Archive/	374	1	0.96	127.98	1	yes	736	392	1	1	0	0	www.espi.or.at
http://www.thespaceshow.com/show-search?f%5B0%5D=field_tags%3A161	320	1	0.93	106.54	1	yes	870	594	6	4	0	0	www.thespaceshow.com
https://www.cartoonstock.com/directory/s/spaces.asp	259	1	0.95	98.42	0.99	yes	628	428	0	0	0	0	www.cartoonstock.com
https://www.cartoonstock.com/directory/t/tv_programme.asp	252	1	0.97	95.64	1	yes	528	308	0	0	0	0	www.cartoonstock.com
http://www.nss.org/settlement/ssp/	227	1	1	92.84	1	yes	386	290	248	159	0	0	www.nss.org

Domains with most linking domains

Relevant domains with most other relevant domains linking to them.

domain	count	semantic flow ™
http://youtube.com/	416	177.06	youtube.com
http://nasa.gov/	353	822.14	nasa.gov
http://facebook.com/	338	136.17	facebook.com
http://space.com/	160	318.72	space.com
http://esa.int/	152	147.85	esa.int
http://wikipedia.org/	141	279.75	wikipedia.org
http://amazon.com/	89	114.02	amazon.com
http://wordpress.com/	82	54.75	wordpress.com
http://spacenews.com/	80	64.53	spacenews.com
http://linkedin.com/	80	28.76	linkedin.com