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Astronomy is a
natural science that
studies celestial objects and the
phenomena that
occur in the cosmos. It uses mathematics, physics, and chemistry...
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Astronomy is the
oldest of the
natural sciences,
dating back to antiquity, with its
origins in the religious, mythological, cosmological, calendrical...
- to note [that] this
period was
called "Saron" by
Chaldean authors of
astronomy, … ) " … Sari
mensura &
numerus apud Chaldaeos,
etenim 120 Sari constituunt...
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Amateur astronomy is a
hobby where parti****nts
enjoy observing or
imaging celestial objects in the sky
using the
unaided eye, binoculars, or telescopes...
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Babylonian astronomy was the
study or
recording of
celestial objects during the
early history of Mesopotamia.
Babylonian astronomy seemed to have focused...
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Radio astronomy is a
subfield of
astronomy that
studies celestial objects at
radio frequencies. The
first detection of
radio waves from an astronomical...
- In
astronomy, an
epoch or
reference epoch is a
moment in time used as a
reference point for some time-varying
astronomical quantity. It is
useful for...
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Unsolved problem in
astronomy: Why is the Sun's
corona so much
hotter than the Sun's surface? (more
unsolved problems in
astronomy) The
temperature of...
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Sidewalk astronomy or
street corner astronomy refers to the
activity of
setting up a
telescope in an
urban place on a for-profit or non-profit
basis as...
- of
astronomy is a list of
definitions of
terms and
concepts relevant to
astronomy and cosmology,
their sub-disciplines, and
related fields.
Astronomy is...