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Did an astronaut enter space? Get a notification!
A notification service that alerts you whenever an astronaut enters space
verified Jul 12, 2026 · HTTP 200
CohortClass of 2016What it is
A notification service that alerts you whenever an astronaut enters space. Stay informed about human spaceflight milestones and launches in real time. Perfect for space enthusiasts who want to follow humanity's journey beyond Earth.
HTTP liveness
9 probes since Jun 16Jun 16Jul 12
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
9 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2016weekly
13,657 products launched in 2016 · 100% still active
13,633 active24 sunset
Still active
100%
Median lifespan
4.9y