Lemaître Guides d'étude, Notes de cours & Résumés

Absolute brightness the intrinsic brightness of a star that depends only on its luminosity. Apparent brightness how bright a star appears to an observer on Earth. Mpc Astronomers describe the apparent brightness of a star as the ratio between the brightness of the star to the brightness of the Sun when viewed from a distance of 1 _____________ . For example, a star with an apparent brightness of 10 is 10 times brighter than the sun would be if viewed from a distance of 1 _______...

Vocabulary: absolute brightness, absorption spectrum, apparent brightness, Big Bang theory, blueshift, Cepheid variable, Doppler shift, Hubble constant, Hubble’s law, luminosity, megaparsec, period, redshift, spectrograph Prior Knowledge Questions (Do these BEFORE using the Gizmo.) Standing by the side of a lonely highway at night, you see two motorcycle headlights, one in each direction. The headlight on your left appears brighter than the one on your right. 1. If the headlights are ...

Samenvatting deel kosmografie: ontstaan en evolutie heelal. Verklaringen van begrippen en duidelijk overzicht.

It is a 11-slide presentation. The Universe is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy. This presentation tackles about the Theory of the creation of the Universe, which is the"Big Bang Theory" that is proposed by the Belgian Catholic priest Georges Lemaître, and many more about the Universe.