Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.astronomy.com/magazine/ask-astro/2014/01/dark-flow
Дата изменения: Unknown
Дата индексирования: Sun Apr 10 10:34:57 2016
Кодировка: ISO8859-5

Have astronomers learned more about the т??dark flowт??? Is it real? | Astronomy.com

Customer Service

Tonight's Sky

Sun

RISEт??

SETт??

Sun

Moon

т??

PHASEт??

DISKт??

Mercury

RISEт??

SETт??

Mercury

т??

Venus

т??

Venus

т??

Mars

RISEт??

SETт??

Mars

т??

Jupiter

т??

Jupiter

т??

Saturn

т??

Saturn

т??

Tonight's Sky т?? Change location

City/place name

US state, Canadian province, or country

OR

US ZIP code

Searching...

Tonight's Sky т?? Select location

Tonight's Sky т?? Enter coordinates

Latitude: ТА '

Longitude: ТА '

UTC Offset:

Home
/
Magazine
/
Ask Astro
/
Have astronomers learned more about the т??dark flowт??? Is it real?

FROM THE March 2014 ISSUE

Have astronomers learned more about the т??dark flowт??? Is it real?

Bob Honicutt, Ware Shoals, South Carolina

Published: Monday, January 27, 2014

RELATED TOPICS: PHOTONS | COSMIC MICROWAVE BACKGROUND

In 2008, astronomers claimed hundreds of galaxy clusters appeared to move toward a specific region in the sky (the purple area).

When photons scatter off electrons moving toward us, the photons gain energy; when photons scatter off electrons moving away from us, they lose energy. This effect is called the kinematic Sunyaev-Zeldovich (kSZ) effect.

Astronomy magazine subscribers can read the full answer for free. Just make sure you're registered with the website.