Transcript sr2_2005_3.ppt

‫‪3‬שיעור‬
‫כבידה‬
Mizar binary
Two neutron stat binary systems
X-ray sources (Chandra)
HST true color
‫שדה מרכזי‬
‫כבידת ניוטון‬
‫מסלולי קפלר‬
‫פיזור‬
Multiple scattering
‫בעית שני גופים‬
‫מסלולים כמעט מעגליים‬
orbits in bar
galaxies
from:
arXiv:astro-ph/9704103
‫העברת תנע זוויתי‬
‫עקומות הסיבוב‬
Tidal forces
star disruption
near a black
hole
Levy-Shoemaker comet
breaks in 21 pieces
near Jupiter
NGC4038 Antennae
Galaxies
two galaxies in collision
with tidal forces
forming what look
like insect antennae
‫גאות ושפל‬
Lagrange points and Roche lobe
Cassini - Saturn
‫יציבות‪-‬אי‬
‫‪Jeans‬‬
1. Not spherical distribution - disk - rotation curves
2. T=20 K, lowest density to condensate solar mas
3. Galaxy rotation period
4. 21 cm
5. Binary: maximum distance for parallax ?
Doppler ?
6. Small addition to Kepler - precession