Sub-Orbital Space Flights & Satellite Exploration
How far is a star or a galaxy? Distances are so vast they are described in light years; nearby stars are measured by trigonometry the technique of parallax. Farther out, astronomers use so-called standard candles, the Type Ia supernovae is the standard candle basis. Beyond that the electromagnetic redshift of galaxies reveals their distances. The second part of this program discusses the concept of the expanding Universe. Calculations by astrophysicists show that the cosmos seems to be …
Tags: planet, films, sun, screen
PLUTO, FARTHEST PLANET & COMET, VISITORS FROM SPACE (from the acclaimed Space Files series from York Films of London). Since its discovery in 1930, astronomers have been debating the status of the tiny world at the farthest reaches of our solar system—Pluto. In this program, students are given a firsthand look at the scientific process that initially classified Pluto as a planet and then reclassified it in 2006 as a Dwarf Planet. Also, students will also learn about comets, objects that …
Tags: dwarf, Exploration, system, ssrvideo