geotectonically
geothermobarometric
geomagnetics
pulsator
telescopically
radio observation
galactographer
optical astronomy
solargraphic
telescopical
armilla
geomagnetically
astromathematical
astrometeorologist
armillary sphere
astro-
stargazing
geodesian
geomagnetic
teleotoscope
telescopy
Maria Mitchell
geostatistician
vulcanological
Shapley
heliogeomagnetics
geodetic
starcraft
altazimuth
Hubble
Mitchell
Harlow Shapley
geotectonical
paleointensity
geomathematically
geophysical
lithium-drifted silicon detector
astroseismicity
spectromagnetograph
sidereal time
heliogeophysical
backstaff
astroagricultural
heliometer
semidiameter
revolve