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- Hubble Space Telescope (50930 bytes)
4: ...uttle Discovery]] during the second servicing mission, [[STS-82]]
6: |style="width:50%;"|'''Organization'''||[[NASA]], [[European Space Agency|ESA]]
8: |'''Wavelength regime'''||optical, ultraviolet, near-infrared
12: |'''Orbit period'''||97 min
43: ...been responsible for many ground-breaking observations and has helped astronomers achieve a better und... - History of astronomy (13532 bytes)
2: ...rly astronomy might involve a study of the [[relationships]] between the "[[height|apparent height]]" ...
8: ...and [[religion|religious]] [[social function|function]]s.
10: ...lternating thirty and thirty-one days apiece. Various Roman emperors altered the calendar subsequentl...
14: ... the year and that of the [[vernal equinox]] in Orion; this was the case around 4500 BC. Fire altars, ...
16: ...]) advanced a 95-year cycle to synchronize the motions of the sun and the moon. - Astronomer (4344 bytes)
4: ...the [[egypt]]ians also had an emphasis on observations of the sky.
6: ... that before about [[1750]], there was no distinction between [[astronomy]] and [[astrology]].
8: ...] or other imaging equipment to make such observations.
15: !Contribution
18: |Determined the positions of about 1,000 bright stars, tried to explain t... - Walter Baade (2275 bytes)
11: | [[967 Helionape]] || [[November 9]], [[1921]]
25: == Biography ==
28: ...populations]]" for stars (Population I and Population II).
30: ...ical counterparts of various [[radio astronomy|radio]] sources.
32: ...lo-class asteroid]] [[1566 Icarus]] (whose perihelion is closer than that of [[Mercury (planet)|Mercur...
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