Because light can be deected in a gravitaonal eld a

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: of the planet Mercury’s ellip4cal orbit. 2.  The gravita&onal redshiE: the increase in wavelength of light proceeding outward from a massive source. h7p://www.ualberta.ca/~pogosyan/teaching/ASTRO_122/lect20/6592_fig22_06.jpg h7p://scienceblogs.com/startswithabang/files/2010/02/Einsteins_Redshil3.gif 8 Tests of General Rela4vity 3. The apparent bending of light rays from distant stars when they pass near the Sun.   Because light can be deflected in a gravita&onal field, a dense concentra4on of mass (such as a galaxy) can act as a “lens” to produce mul4ple images of a distant light source located behind it. This phenomenon is called gravita&onal lensing. h7p://www.physicsolheuniverse.com/images/rela4vity_light_bending.jpg 9 h7p://map.gsfc.nasa.gov/media/ContentMedia/A2218.jpg h7p://keckobservatory.org/images/press_images/Kewley.jpg The 1919 Solar Eclipse...
View Full Document

Ask a homework question - tutors are online