Transcript
As we go through these slides, try to think what the root words aster and stell might mean.
Aster/Astro & Stell
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astronomy(noun) the science which studies stars, planets, comets,
and galaxies and their movements
Renaissance era astronomer, Nicolaus Copernicus, proposed a model of the solar system with the sun as its center.
astrology
Believers in astrology claim there is a connection between celestial bodies and one’s personal life.
(noun) the study of the supposed influences of the stars on human affairs by their positions in relation to each other
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(noun) a star-like body in space; a small planetone of thousands of small planets between Mars and Jupiter with diameters from a fraction of a kilometer to nearly 800 kilometers;
asteroid
The asteroid belt lies between the planets Mars and Jupiter.
aster(noun) a fall flower shaped like a star
The aster is a popular garden flower because of its colorfulstar-shaped blooms.
asterisk(noun) a star used in printing to refer to a margin note
An asterisk is sometimes used to indicate a footnote, especially when there is only one on the page.
According to The World Factbook, the population of the United States is 303,824,640*.
*July 2008 est.
disaster(noun) sudden great misfortune, especially something
(as a flood or tornado) that happens suddenly and causes much suffering or loss
[Etymology: from early French desastre and early Italian disastro, both meaning “an unfavorable position of a star”]
Hurricane Katrina was one of our country’s worst natural disasters, and the costliest in the history of the United States.
astrophysics(noun)astronomy and physics combined to understand the heavens (or the stars)a branch of astronomy dealing with the physical and chemical measurements of the heavenly bodies
Astrophysicists study the physical properties (luminosity, density, temperature, and chemical make-up) of galaxies, stars, and planets.
stellate(adjective) star-shaped: shaped like a star
-A starfish, some flowers, and some crystals have a stellate shape.
-The stellate form appears often in nature, even at the cellular level.
constellation(noun) a group of stars forming a shape:a group of stars visible from Earth that forms a distinctive pattern and has a name, often derived from Greek mythology, linked to its shape.
Early astrologers “connected the dots” between stars and named these constellations after mythological figures.
stellar(adjective) like a star; most important;
principal; leading; outstanding
Come and see the stellar performance of students from the ELHS theater program in The World Goes ‘Round.
What do you think the rootsstell, aster, and astro mean?
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