astronomy Flashcards Preview

ima kkongbu > astronomy > Flashcards

Flashcards in astronomy Deck (7)
Loading flashcards...
1

nebula

cloud around star

2

Bolshoi simulation

the most accurate cosmological simulation of the evolution of the large-scale structure of the universe yet made (“bolshoi” is the Russian word for “great” or “grand”)

3

Planck spacecraft

Scans for cosmic microwave background (CMB) radiation, the afterglow of big bang.

4

Light year

a light-year is the distance that light travels in vacuum in one Julian year

astronomical unit of length (not time) equal to just under 9.5 trillion kilometres (or about 6 trillion miles)

5

neutrinos

light, neutral particles that hardly interact with matter

Three types or "flavours" of neutrino exist: the electron neutrino, the muon neutrino and the tau neutrino

6

oscillation

phenomena in which neutrinos change between one "flavor" to another

7

How neutrino beam is created in CERN

Prions and kaons.
Collision makes muons and