Mula sa Wikipedia, ang malayang ensiklopedya
Ang
planetang unano
(
Kastila
:
planeta enano
,
Ingles
:
dwarf planet
) ayon sa
International Astronomical Union
(IAU), ay isang bagay sa kalangitan na umiikot palibot sa
Araw
na may sapat na bigat upang maging mabilog na dulot ng sariling
balani
ngunit hindi nalinis ang kalapit na rehiyon nito ng mga
planetesimal
at hindi isang
satelayt
.
- ↑
Bowell, Ted.
"The Asteroid Orbital Elements Database"
.
Lowell Observatory
. Nakuha noong
2008-02-12
.
{{
cite web
}}
: CS1 maint: date auto-translated (
link
)
[
patay na link
]
- ↑
Thomas, P.C; Parker J.Wm.; McFadden, L.A.; atbp. (2005). "Differentiation of the asteroid Ceres as revealed by its shape".
Nature
.
437
(7056): 224?26.
Bibcode
:
2005Natur.437..224T
.
doi
:
10.1038/nature03938
.
PMID
16148926
.
;
CS1 maint: date auto-translated (
link
) CS1 maint: multiple names: mga may-akda (
link
)
- ↑
Calculated based on the known parameters. APmag and AngSize generated with
Horizons
(Ephemeris: Observer Table: Quantities = 9,13,20,29)
- ↑
Williams, D.R. (2006-09-07).
"Pluto Fact Sheet"
. NASA
. Nakuha noong
2007-03-24
.
{{
cite web
}}
: CS1 maint: date auto-translated (
link
)
- ↑
Buie, M. W.; Grundy, W.M.; Young, E.F.; Young, L.A.; Stern, S.A. (2006).
"Orbits and photometry of Pluto's satellites: Charon, S/2005 P1, and S/2005 P2"
.
Astronomical Journal
.
132
: 290.
doi
:
10.1086/504422
.
arXiv
:
astro-ph/0512491
.
{{
cite journal
}}
: CS1 maint: date auto-translated (
link
) CS1 maint: multiple names: mga may-akda (
link
)
- ↑
6.0
6.1
6.2
Stansberry, J.; Grundy, W.; Brown, M.; atbp. (2007). "Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope"
(abstract)
.
The Journal of Business
.
arXiv
:
astro-ph/0702538
.
;
;
CS1 maint: date auto-translated (
link
) CS1 maint: multiple names: mga may-akda (
link
)
- ↑
Rabinowitz, David L.; Barkume, K.M.; Brown, E.M.; atbp. (2006). "Photometric Observations Constraining the Size, Shape, and Albedo of 2003 EL
61
, a Rapidly Rotating, Pluto-Sized Object in the Kuiper Belt
".
The Astrophysical Journal
.
639
(2): 1238?1251.
doi
:
10.1086/499575
.
arXiv
:
astro-ph/0509401
.
CS1 maint: date auto-translated (
link
) CS1 maint: multiple names: mga may-akda (
link
)
- ↑
J. Licandro, N. Pinilla-Alonso, M. Pedani; atbp. (2006).
"The methane ice rich surface of large TNO 2005 FY9: a Pluto-twin in the trans-neptunian belt?"
.
Astronomy and Astrophysics
.
445
(L35?L38): L35.
doi
:
10.1051/0004-6361:200500219
. Nakuha noong
2008-07-14
.
CS1 maint: date auto-translated (
link
) CS1 maint: multiple names: mga may-akda (
link
)
- ↑
Brown, Michael E.; Schaller, Emily L. (2007).
"The Mass of Dwarf Planet Eris"
.
Science
.
316
(5831): 1585.
doi
:
10.1126/science.1139415
.
PMID
17569855
.
{{
cite journal
}}
: CS1 maint: date auto-translated (
link
)
Ang lathalaing ito na tungkol sa
Astronomiya
ay isang
usbong
. Makatutulong ka sa
Wikipedia
sa
pagpapalawig
nito.