infr - inte
- infrared
- infrared astronomy
- infrared detectors
- infrared emission
- infrared galaxies
- infrared observatories
- infrared photometry
- infrared radiation
- infrared sources
- infrared telescopes
- infrared windows
- inhomogenities
- initial mass function
- inner core
- inner planets
- instabilities
- instability strip
- instrumental profiles
- instrumentation
