Solar prominence
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Angelo Secchi
Secchi (lunar crater)
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Patricio Montojo y Pasarón
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Vatican Observatory
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Solar spicule
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Reggio Emilia
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Biela's Comet
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Carbon star
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List of proper names of stars
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Henry Draper
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Horace Parnell Tuttle
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Martian canals
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1860 in science
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1878 in science
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1818 in science
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Areography
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Matthew Fontaine Maury
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Syrtis Major Planum
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Secchi disk
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Culture of Italy
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24 Themis
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Perseids
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Astronomical object
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Joseph Henry
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Meteor shower
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List of astronomers
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Timeline of cosmological theories
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Timeline of Solar System astronomy
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Betelgeuse
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1878
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1818
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Stellar classification
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Star
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June 29
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History of astronomy
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April 20
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Pietro Angelo Secchi
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