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Planispheres & Binoculars
This videos topic: Some advice for beginning your hobby in amateur astronomy and how to use a planisphere.

Always remember that the most important tools are your eyes. Go out under the stars and look up!

The advancements in radio telescope technology lead to the discovery of quasars.
Core Astronomy examines the key points in the development of astronomy, beginning with Greek astronomer Ptolemy's earth centered paradigm to Nicolas Copernicus' introduction of a sun centered solar system, and Isaac Newton's three laws of motion. It then examines the discovery of Neptune, Einstein's theories of Special and General Relativity, Hubble's expanding universe, and the discoveries of quasars, white dwarfs, neutron s

In this first lecture video of three in the Frontiers of Science unit on astronomy, Columbia University professor David Helfand sifts through astrophysics jargon to explain the basic physics behind stars%u2014"our signposts for measuring our place in the Universe and its history"%u2014and how they evolve over cosmic time. A lecture transcript and companion PowerPoint presentation are also available on FoSO.

ORION (around Trapeziums' newborn stars cluster, from M42 galaxy) viewed through 3 dimensions ORION (around Trapeziums' newborn stars cluster, from M42 galaxy) viewed through 3 dimensions

For the first time ever, astronomers have been creating a three%u2014dimensional map of how the dark matter is distributed across the Universe. An international team of scientists, among them groups from Marseille, the Max-Planck Institutes and Paris have been using data from the NASA/ESA Hubble Space Telescope. The results are published in nature online of 8 January 2007, and at the meeting of the American Astronomical Society in Seattle. This Video News Release discussed this discovery. More on: http://ww

The Crab Nebula is a six-light-year-wide expanding remnant of a star%u2019s supernova explosion. Japane

Photos put to music from Hubble Telescope

This is the trailer for ESA's Anniversary Movie "Hubble - 15 Years of Discovery". More info on it ca