Caldwell 42
C42
NGC 7006. Globular cluster in Delphinus. Hubble ACS.
PhotoESA/Hubble & NASACC BY 4.0
About 135,000 light-years out. A halo relic. NASA: globulars like C42 are relics of the Galaxy’s youth. Unusually elongated orbit. May have been born elsewhere and later accreted.
NASA / JPL
Printed 42s
A proton count. A catalogue seat. A scan. A model boundary. A patch that draws 4 and II. A joke a JPL scientist made in public. Different kinds. NASA printed them. That does not make them one Answer.
The metal
- Z = 42Molybdenum
Proton count. The integer was 42 before Adams.
- jokeDouglas Adams element
Russell at JPL named the metal. NASA printed the joke.
Sky and distance
- M42Orion Nebula
Catalogue seat. NASA’s Cosmic Hearth is Maya reception.
C42Caldwell 42here
Another catalogue. NGC 7006. Not a measured forty-two.
- ≈42 AUKuiper collisions
Stern 1995. A modeled boundary, not Albion’s distance.
- 42.1 km/sSolar escape
Vis-viva at 1 AU. Family 4.2, not 42.00.
Missions and tools
- 42 minMariner 2
A scan of Venus. Duration, not a law of the planet.
- 42 dApollo 12 S-IVB
Missed heliocentric burn. NASA prints the period.
- 42Expedition 42
Sequential crew number. The patch draws 4 and II.
- STS-42STS-42
Shuttle number. Discovery, IML-1.
- 42Horizons keywords
JPL’s own manual. A documentation count.
What it supports
A Caldwell seat with a Hubble plate. NGC 7006 is the older name.
What it does not
Not M42. Not a measured forty-two light-years.
ExactnessExact
Form42
Unitcatalogue
Strengthhard