, Physics
1
Astro
Astrophysics = the study of stars + other celestial bodies and the
of laws of
application
[ extra physics to interpret astronomical observations
Distance / $6008
"
"
distance travelled
•
fnlightnheanr by light in one year
light 3,0011108M
'
of
'
speed = S .
's
ooo 4=(3×108) (601/60112411365) =
9,46 ✗ to m
•
Enasntrgnnmnicetnnnitngun Distance ←> Earth + sun
" 's
↳ 1,496×10 1,58×10
light
=
m yrs
•
t-pars.ec/Po)mn
↳ 3,086111016m 2,063×105 au = =
3,262 ly
source of from sun
energy
↳ fusion of to form Helium
=
hydrogen
mass defect released
energy
=
=
sun releases 4,1026 hfiatts)
conditions that initiate fusion
o nuclei It ) →
repel each other [ Hard to fuse naturally /easily ]
↳ HIGH temperature + HIGH preassure required
•
enough energy squeezes nuclei
to overcome electrostatic 9 chance
repulsion
together
of fusion
sit e- Obar Proa e- $9s
Hydrostatic equilibrium = Astable star with balanced forces that neither
expands or contracts
stable Temp , density , p reassure
1
Astro
Astrophysics = the study of stars + other celestial bodies and the
of laws of
application
[ extra physics to interpret astronomical observations
Distance / $6008
"
"
distance travelled
•
fnlightnheanr by light in one year
light 3,0011108M
'
of
'
speed = S .
's
ooo 4=(3×108) (601/60112411365) =
9,46 ✗ to m
•
Enasntrgnnmnicetnnnitngun Distance ←> Earth + sun
" 's
↳ 1,496×10 1,58×10
light
=
m yrs
•
t-pars.ec/Po)mn
↳ 3,086111016m 2,063×105 au = =
3,262 ly
source of from sun
energy
↳ fusion of to form Helium
=
hydrogen
mass defect released
energy
=
=
sun releases 4,1026 hfiatts)
conditions that initiate fusion
o nuclei It ) →
repel each other [ Hard to fuse naturally /easily ]
↳ HIGH temperature + HIGH preassure required
•
enough energy squeezes nuclei
to overcome electrostatic 9 chance
repulsion
together
of fusion
sit e- Obar Proa e- $9s
Hydrostatic equilibrium = Astable star with balanced forces that neither
expands or contracts
stable Temp , density , p reassure
