SMA Negeri 1 Boja : We are not the first but the best

● Selamat Datang Peserta Pendaftaran Siswa Baru di Kampus Rintisan Sekolah Bertaraf Internasional SMA Negeri 1 Boja ● Selamat Datang Peserta Bimtek R-SMA-BI di Kampus SMA Negeri 1 Boja ● Judul berita yang dimuat SUARA MERDEKA, Jum'at, 8 Mei 2009, tentang beredarnya video porno siswi setelah dilakukan identifikasi oleh POLRES Kendal dinyatakan TIDAK BENAR, dan kami minta kepada SUARA MERDEKA agar memohon maaf kepada SMA N 1 Boja atas berita yang mencoreng nama baik SMA N 1 Boja ● SMA NEGERI 1 BOJA MENUJU RSBI ● Selamat kepada Pamungkas Bagus siswa kelas XII IPA.2 SMA Negeri 1 Boja, atas prestasinya dalam OSN Biologi di Makasar, memperoleh Medali Emas ● Selamat kepada Tim Hockey SMA Negeri Boja atas Prestasinya sebagai Juara I dalam Invitasi Hockey antar club se Jawa dan Sumatera di Bandung ● Tim PASKIBRAKA SMA Negeri 1 Boja meraih Juara I Tingkat Propinsi Jawa Tengah di GOR Jatidiri Semarang (15 Mei 2008) ● Selamat kepada Tim Hockey SMA Negeri 1 Boja atas prestasinya sebagai Juara I dalam Kejuaraan Nasional Hockey di Bandung ● ELINA RISTI MAULIDA Juara I Lomba Debat Bahasa Inggris Pekan Olah Raga dan Seni Mahasiswa Pelajar dan Taruna (PORSIMAPTAR) di AKPOL Semarang (13 Mei 2008) ● FIDHA FARDANI (kelas XI IPA.2) Juara II Lomba Gambar Poster Pekan Seni Pariwisata yang diselenggarakan oleh Dinas Pariwisata Kabupaten Kendal, Kamis, 24 April 2008 di Pendopo Kab. Kendal ● SMA Negeri 1 Boja Juara III Lomba Cerdas Cermat UUD 45 Tingkat SLTA Se Indonesia di Propinsi Jawa Tengah (11 April 2008) ● 4 Siswa SMA Negeri 1 Boja diterima di IPB melalui jalur USMI (11 April 2008) ● Minggu ini Pengawa SMA dari Dinas Pendidikan dan Olah Raga Kendal akan berkunjung ke SMA Negeri 1 Boja untuk memeriksa berkas Sertifikasi para Guru yang telah lolos pada seleksi masa kerja (7 April 2008) ● Selamat kepada Tim Basket SMA Negeri 1 Boja, yang telah berlaga di POPDA Kab. Kendal dan meraih Juara III Putra dan Putri (7 April 2008) ● SMA Negeri 1 Boja Juara Umum Olympiade Seni dan Budaya STIKES Kendal ● Selamat mengerjakan soal mid semester kepada seluruh siswa SMA Negeri 1 Boja (7 April 2008) ● 22 Guru SMA Negeri 1 Boja Lolos seleksi awal Sertifikas (29 Maret 2008) ● 40 Siswa SMA Negeri 1 Boja diterima SPMU Universitas Negeri Semarang ( UNNES ) ● Tim Basket Putra dan Putri SMA Negeri 1 Boja Juara I di tingkat eks kawedanan Boja dan melaju ke POPDA di tingkat Kabupaten Kendal ● Tim Voli Putri SMA Negeri 1 Boja Juara I di tingkat eks kawedanan Boja dan berhak mengikuti kejuaraan POPDA di tingkat Kabupaten Kendal ●

Posisi Anda : Home

Artikel

Bahasa Inggris

Planet

Ditulis oleh Webmaster

Rabu, 04 Juli 2007

Planet
A planet, as defined by the International Astronomical Union (IAU), is a celestial body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, not massive enough to cause thermonuclear fusion in its core, and has cleared its neighbouring region of planetesimals.

After stars and stellar remnants, planets are some of the most massive objects known to man. They play an important part in the structure of planetary systems, and are also considered, along with large moons, the most feasible environment for life. Thus planetary science is essential not only to comprehend the structure of the universe, but also to better understand the development of life, and to aid the search for extraterrestrial intelligence. Additionally, the planets visible from Earth have played a vital role in the shaping of human culture, religion and philosophy in numerous civilisations. Even today, many people continue to believe the movement of the planets affects their lives, although such a causation is rejected by the scientific community.

In the absence of a formal scientific definition of "planet", the number of objects described as such has varied throughout history. This changed in 2006, when the IAU officially adopted a resolution defining planets within the Solar System. This definition has been both praised and criticised, and remains disputed by some scientists.

Under IAU definitions, there are eight planets in the Solar System (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune) and also at least three dwarf planets (Ceres, Pluto, and Eris). Many of these planets are orbited by one or more moons, which can be larger than small planets. There have also been more than two hundred planets discovered orbiting other stars. Planets are generally divided into two main types: large, low-density gas giants and smaller, rocky terrestrials. Dwarf planets, a separate category, can either be terrestrials or frozen ice dwarfs.

Copyright http://109high.blogspot.com