Sentences with phrase «used by professional astronomers»
This radio telescope at the Kitt Peak Observatory in Arizona is one of many here that are widely used by professional astronomers.
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These telescopes are available to teachers to use as part of their curricular or extra-curricular activities and are fully supported by a range of educational materials and a team of educators and professional astronomers.
Nowadays these names are often used by amateur astronomers, but professional astronomers tend to use a simpler scheme: in each constellation the brightest star is named Alpha, the second brightest is Beta, etc. leading to names like alpha Persei (the brightest star of the constellation Perseus).
Astronomers (professional or amateur) can measure a star's brightness (the amount of light it puts out) by using a photometer or charge - coupled device (CCD) on the end of a telescope.
Choose from an increasing number of interstellar and intergalactic tours guided by professional astronomers, and be sure to check out one for educators that explains how to use this remarkable resource in the classroom.