Geocentric model explanation in terms of the Earth's revolution about the sun. In 1838, astronomer Friedrich Wilhelm Bessel measured the parallax of the star 61 Cygni successfully, and disproved Ptolemy's claim that parallax motion did not exist. This finally confirmed the assumptions made by Copernicus, providing accurate, dependable scientific observations, and conclusively displaying how distant stars are from Earth. A geocentric frame is useful for many everyday activities and most laboratory experiments, but is a less appropriate choice for solar system mechanics and space travel. While a heliocentric frame is most useful in those cases, galactic and extragalactic astronomy is easier if
Central Congregational Church (Eastport, Maine) Central Congregational Church (Eastport, Maine) The Central Congregational Church is a historic church at 26 Middle Street in Eastport, Maine, USA. The meeting house was built in 1829, and is a remarkably sophisticated example of Federal style architecture for what was then a frontier community. It was listed on the National Register of Historic Places in 1976. The Central Congregational Church of Eastport is set on the west side of Middle Street, midway between Boyton and Key Streets. It is a gable-roofed wood frame structure, with clapboard siding and a stone foundation. Its main facade, facing east is symmetrically organized,