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Nasaprospect alternatives & similar sites

NASA: Prospect — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Space And Astronomy →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
heliosprospects.com ↗	65 match 1 shared topics	Helios Prospects — Space Resource Intelligence	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
spectrumopticalinstruments.com ↗	63 match 1 shared topics	Spectrum Optics - 2026	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
spatialdjiboutien.net ↗	63 match 1 shared topics	A propos	fr	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
aerospace.photo ↗	63 match 1 shared topics	Aerospace		space-and-astronomy Tumblr	robotsllmsaihumans	emailphone	partial · 11
meginasat.org ↗	63 match 1 shared topics	MeginaSat	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
star-analyser.com ↗	63 match 1 shared topics	RSpec / Real-time Spectroscopy	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
rspecastro.com ↗	63 match 1 shared topics	RSpec / Real-time Spectroscopy	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
ksdf.de ↗	62 match 1 shared topics	NASA/JPL Eyes	Germany de	space-and-astronomy	robotsllmsaihumans	emailphone	none
staros-projects.org ↗	62 match 1 shared topics	STAROS Projects	fr	space-and-astronomy	robotsllmsaihumans	emailphone	none
amscc.space ↗	62 match 1 shared topics	AMSCC Aerospace	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	email phone	none
carlosmoises.com ↗	62 match 1 shared topics	Universo Singular \| Compartilhando conhecimento, experiências e perspectivas.	pt	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
apollovision.pro ↗	62 match 1 shared topics	Apollo Vision Pro	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
avio.com ↗	62 match 1 shared topics	Avio – Advanced Space Propulsion & Aerospace Solutions	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
squalicumaerospace.org ↗	62 match 1 shared topics	SqHS Aerospace club	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
cygnusproject.org ↗	62 match 1 shared topics	The Cygnus Project	en	space-and-astronomy Ghost	robotsllmsaihumans	emailphone	none
elespacioprofundo.com ↗	62 match 1 shared topics	El Espacio Profundo	es	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
leeinorbit.com ↗	62 match 1 shared topics	Satellite Propulsion \| The Lee Co.	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
captureonespace.com ↗	62 match 1 shared topics	CaptureOne Aerospace	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.