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Related terms:
sun
deimos
swift
tidal
phobos
mars
disk
craters
moon
venus
orbit
martian
voltaire
equator
hours
parallax
asaph hall
transit
telescope
martian moons
astronomy
observed
distance
measured
hypothesis
phobos and deimos
astronomical
discovered
constellation
hubble space telescope
Wikipedia sources: Moon Betelgeuse Minute of arc Occultation Spirit rover Deimos (moon) Moons of Mars Proxima Centauri Context for words: angular diameter |
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