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www.enchantedlearning.com/subjects/astronomy/glossary

Astronomy glossary explains basic astronomical terms, A. ... Astronomers can determine the composition of gases in stars by looking for their characteristic ...

www.enchantedlearning.com/wordlist/astronomy.shtml

Astronomy Vocabulary Word List · A. albedo. Alpha Centauri. apastron. aperture · B background radiation. Bailey's beads. big bang theory. binary star · C ...

hubblesite.org/glossary

Astronomers from all over the world use the Hubble Space Telescope. Astronomical Unit (AU). The average distance between the Earth and the Sun, which is ...

cds.cern.ch/record/1339503/files/978-0-387-33228-4_BookBackMatter.pdf

A Astronomical Terminology ... or in a radio-astronomical record, we refer to it as a new object. ... Astronomy seeks to provide an accurate description of all.

spaceplace.nasa.gov/glossary

Find definitions of space and Earth science terms. ... Astronomers usually call them satellites or natural satellites. Nebula: A cloud of dust or gas found between  ...

link.springer.com/content/pdf/bbm%3A978-1-4757-2928-3%2F1.pdf

Astrophysics attempts to explain the sequence of events that mark the evolution of astronomical objects. A great variety of different objects populate the Universe.

www.eso.org/public/outreach/glossary/glossary_a

The absolute magnitude of a star or other astronomical object is a measure of its intrinsic brightness. The scaling used by astronomers is defined such that a ...

en.wiktionary.org/wiki/Appendix:List_of_astronomical_terms

Appendix:List of astronomical terms. Language; Watch · Edit · A - B - C - D ...

www.infoplease.com/math-science/space/solar-system/astronomical-terms

Feb 11, 2017 ... Astronomers have estimated that the universe could contain 40 to 50 billion galaxies. In 2004, the Hubble Space Telescope and observers at the ...

skyandtelescope.org/astronomy-terms

Astronomy Terms · Angular Size and Distance The apparent size of an object in the sky, or the distance between two objects, measured as an angle. · Aperture