Reach readers who care about telescopes, imaging, planetarium software, launch news and the night sky. CosmosForum is an English-language science and space forum (no politics) with labeled Sponsors placements for astronomy gear retailers, mounts, eyepieces, cameras, apps and space-adjacent brands.
Cosmosrel="sponsored nofollow noopener" on outbound links — commercial brand ads are welcome when labeled properly.
Rate card (USD / month)
• S8 — Sidebar: $20/mo — persistent sidebar card on home and category pages
• S9 — Home mid: $30/mo — mid-page placement on the homepage between categories and latest activity
• S10 — Section bottom: $15/mo — bottom placement on category pages
3-month package (prepaid): save ~10% — S8 $54 · S9 $81 · S10 $40. Or book any two slots for 3 months and take an extra $10 off the combined package.
What's included
• Image + logo sponsor card matching the site dark theme
• Link to your official site (labeled Sponsors)
• Placement in the named slot for the booked period
• Creative review for size/format; we host the images
What's not included
Free industry showcases (rotating space/astro company cards) are not paid placements. They use public information only and can be removed on request. Friend links and article body stay free of commercial dofollow links.
How to book
Email ads@cosmosforum.org with your preferred slot(s), start month, and creative (or a brief). We reply with availability and a simple booking confirmation.
Email ads@cosmosforum.org