POUND RIDGE, N.Y. The Pound Ridge Library will present a three-part series on astronomy for anyone 8-years-old and up titled, Whats Up?: An Introduction to the Night Sky.
The sessions will be led by elementary school science teacher and Pound Ridge resident Alan Alterman. The first session, Orrery Lesson will be held Wednesday, Feb. 1 at 3:30 p.m.
The orrery is a lighted model of the solar system that helps students understand moon phases, eclipses, the reasons for the seasons and planetary motion, Alterman said.
The session will also include a hands-on demonstration of moon phases.
The second class Planetarium Session will take place Saturday, Feb. 11, at 1:30 p.m. For this session, Alterman will use the StarLab portable planetarium system.
It can project images of the Northern Hemispheres night sky anytime of the year, he said. It helps students recognize and learn new constellations.
Students will observe how some constellations seem to rise and set, while others circle the Polar Star. They will also be able to observe how the night sky is different from Pound Ridge at the North Pole and the equator.
The final class Stamford Observatory Session will be held at the Stamford Observatory at 151 Scofield Town Road in Stamford, Conn. It will be held in March, but the final date is still to be announced. Students will have an opportunity to use the Observatorys 22-inch telescope to see stars, planets, nebulas and galaxies.
The cost for three sessions is $15 per family and registration is required. Call the library at (914) 764-5085 for more information.
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