answers Graded A+
Sentinel-1 sensor type - ✅✅SAR (synthetic aperature radar) active sensor
Sentinel-1 target wavelength - ✅✅Radar (C band)
Sentinel-1 spatial resolutions - ✅✅5x5 5x20 25x100 20x20
Sentinel-1 temporal resolution - ✅✅12 days up to 6 days (varies by location)
Sentinel-1 number of constellations? - ✅✅three! Sentinel-1A/1B/1C
Sentinel-1 application - ✅✅Soil moisture monitoring, sea-ice extent monitoring,glacier
dynamics, oil spill detection, etc
Sentinel-2 sensor type - ✅✅Multispectral Instrument (passive)
Sentinel-2 target wavelength - ✅✅Visible~ short infrared
Sentinel-2 Spatial resolution - ✅✅10m 20m 60m
Sentinel 2 Temporal Resolution - ✅✅10 days up to 5 days
Sentinel-2 # of constellations - ✅✅3 Sentinel-2A/B/C