Page:A treatise on astronomy, descriptive, physical and practical. Designed for schools, colleges, and private students (IA treatiseonastron00robi).pdf/214

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Ịmata mbara igwe.
198
Isi, iv
.
nchịkọta
ikike dinary nwere ike ịghọta
ya,
ma ọ bụrụhaala na ọ na-eme ya
nlezianya anya na isiokwu ahụ.
rj^g
gecu i ar acceleration nke ọnwa
pụtara ngagharị
bụ
nkwupụta nke
kpatara obere mgbanwe na
ihe kpatara ya,
pụtara
uru nke ike radial,
Emere site na mgbanwe na eccentricity nke ụwa
rS
-
Okwu -
nke
bụ
pụtara
orbit.
ike radial nke anyanwụ
na-eme ihe na orbit nke ọnwa, dilating
ya
na ịba ụba nke
oge mgbanwe nke ọnwa.
mgbe ole
tion
nke
n'ime-
bụ
^ e ntị th's orbit enweghị ihe nhụsianya, 2a
jf
,
denomina -
otu
° f tne ntakiri, ga-enwe mgbe niile
* ma ọ bụ
3
na
uru,
mgbe ahụ gbasara ọnụọgụgụ dị ka mgbe niile, a gaghị enwe
creased.
Ma
mgbanwe nke mmegharị ọnwa na-esite na nke a.
n'ihi nke uwa
ka ukwuu,
na uru nke ike radial na-aghọ
pụtara
tion
di-
nke
ụwa
na
uru,
ward na
nke
orbit, a,
N'ezie,
perigee ụwa, a
ụwa na
mbụ -
nke
ma ọ bụ
pụtara
^
bụ
eziokwu
mo-
na a
3
ibu
na nke
Mpekarị,
pụtara
ya
na-
nke
;
bụ
gbasaa ruo ngafe,
na
orbit bụ
ọzọ dilated mgbe
ụwa dị na perigee karịa
nkwekọrịta
mgbe ole
ya
ngagharị
bụ
belatara
ya
N'ikwu ya n'ụzọ ọzọ, ndị
ụwa dị na apogee.
ra -
Ịkpọ oku
ọ bụghị nke
na
karịa
ọnwa aga
uru nke ike radial na-abawanye karịa
Nke
na-aghọ
Mpekarị
N'ihi nke a, ọnwa
Na mgbe
mụbara.
bụ
orbit nke ọnwa
nrụgide
a3
nke
ya
mgbe ole
na ọnwa na-aga n'ihu
apogee
.
pụtara
dilatation nke ọnwa orbit ka ukwuu,
ngagharị
.
Ọzọ
ọnwa
nke
pụtara.
Mpekarị,
na nke pụtara
n'ogo dị ka okirikiri ụwa dị
.
eccentric.
Nke
rS
obere uru nke ~
ngagharị, na uru ahụ
bụ
- nke
kacha nta
ka ukwuu
mgbe a
agaghị enwe mgbanwe nke uru
nke ọnwa
bụ
Mana a
kacha.
bụ
pụtara
ọ bụrụ na ụwa na-agba gburugburu
bụ
okirikiri.
Nke
Otú ọ dị, orbit ụwa.
bụ
eccentric,
na
n'ime usoro
nke otu afọ a na-egosipụta kpọmkwem uru nke ike radial
rS
nke q
nke
- naanị na
nsọtụ
a
nkeji abụọ nke oge, mgbe ụwa gafere
nke mkpirisi
axis
ọzọ
ugboro
uru,
na ọdịiche dị nhata na nke ọ bụla
bụ
ma
ka ukwuu
ma ọ bụ
Na
nke orbit ya.
Mpekarị
karịa
akụkụ nke
pụtara
ya
ya
niile
;
na