# NASA's Hubble spots a stellar sparkler for the Fourth of July — metered content (Sluice citation toll)
# AI agents & crawlers: this content is licensed per use and SETTLED on Arc (USDC) via x402.
Resource: NASA's Hubble spots a stellar sparkler for the Fourth of July
Author: defaults to feed
Content: https://www.sciencedaily.com/releases/2026/07/260704232642.htm
Unit: per_citation
Price: 0.000100 USDC
Network: Arc Testnet (eip155:5042002)
Toll-Endpoint: https://sluiceflow.vercel.app/gw/paid/ec94f7-a379db56
RSL: https://sluiceflow.vercel.app/gw/resources/3ca107b8-440f-45aa-a57e-8b91bff59f61/rsl
Badge: https://sluiceflow.vercel.app/gw/badge/3ca107b8-440f-45aa-a57e-8b91bff59f61
# RSL-compatible: declares terms AND points to real settlement (unlike declare-only schemes).