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Kamis, 08 November 2012
Cara menyembelih menurut sunah
1. Hendaknya yang menyembelih adalah shohibul kurban sendiri, jika dia mampu. Jika tidak maka bisa diwakilkan orang lain, dan shohibul kurban disyariatkan untuk ikut menyaksikan.
2. Gunakan pisau yang setajam mungkin. Semakin tajam, semakin baik. Ini berdasarkan hadis dari Syaddad bin Aus radhiallahu ‘anhu, bahwa Rasulullah shallallahu ‘alaihi wa sallam bersabda,
Selasa, 06 Maret 2012
Celebrate chinese new year
Celebrate Chinese New Year
The Chinese New Year is a fifteen day celebration that falls on a different date each year as it is a combination of lunar and solar movements. It usually falls in the month of January or February. This year marks the 'Year of the Ox'.
The Chinese New Year's date varies every year and falls on second new moon after the winter solstice. The date for the occasion is decided according to the calendar which is a combination of the solar and the lunar calendar. Rat, Ox, tiger, rabbit, cat, dragon, snake, horse, ram, monkey, rooster, dog and boar are the animals that are considered to be auspicious. Each person as is believed in the Chinese calendar resembles an animal and this reflects their traits.
The Chinese New Year or the Spring Festival as it is also known is the most revered holiday of the year. This is the time when family and friends gather and offer prayers to their ancestors and deities followed by a lavish dinner to usher in the New Year. During this time, families clean their homes while feng shui believers decorate their homes accordingly. On Chinese New Year Eve, members of a family stay up late as legend goes that long ago; the gods in heaven would give gold to each family so they would keep awake, active and ready to accept the gold gift.
Families decorate their homes with pretty vases and colorful flowers symbolizing that nature has reawakened. Oranges and tangerines are placed in the house as a sign of happiness and prosperity. A tray of candies made of eight different types of candies are placed along with these. The candies are made of lotus seeds, longan, peanuts, coconut, cumquat, red melon seeds, candied melon, etc.
The traditional food that is a significant part of the Chinese New Year party includes Jai, Fish and chicken, noodles and desserts. The dinner has a symbolic meaning in which the Chinese dumplings imply wealth as they are in the shape of ancient Chinese gold or silver ingots. Jiu is the traditional hard liquor in China symbolizes longevity as also Daikon, a white radish. Red chilies symbolize good luck while rice ensures harmony.
Chinese people are usually out on the roads, especially kids who wear Chinese dragon masks and go for the Chinese New Year Dragon parade. Dragon dances are a vital part of the Chinese New Year. One man who has a 'Pearl Of Wisdom' on a pole entices the dragon to follow him to the drum beats as though searching for wisdom and knowledge. The lion dance is an equally important ritual in the consecration of any auspicious time in China. The Lantern Festival is an amazing visual display of multicolored paper lanterns created by craftsmen in designs of butterflies, dragons, birds, dragonflies and other insects or animals. The Dragon Boat Festival marks the day of a certain Chinese scholar who threw himself into the river over a political protest.
Chinese New Year is not just a festival of fun and part, but also a time to welcome the new season, pray for prosperity and well being and cleanse away the any thing evil.
Sabtu, 03 Maret 2012
A supernova (abbreviated SN, plural SNe after supernovae) is a stellar explosion that is more energetic than a nova. It is pronounced with the plural supernovae or supernovas. Supernovae are extremely luminous and cause a burst of radiation that often briefly outshines an entire galaxy, before fading from view over several weeks or months. During this short interval a supernova can radiate as much energy as the Sun is expected to emit over its entire life span The explosion expels much or all of a star's material at a velocity of up to 30,000 km/s (10% of the speed of light), driving a shock wave into the surrounding interstellar medium. This shock wave sweeps up an expanding shell of gas and dust called a supernova remnant.
Nova (plural novae) means "new" in Latin, referring to what appears to be a very bright new star shining in the celestial sphere; the prefix "super-" distinguishes supernovae from ordinary novae, which also involve a star increasing in brightness, though to a lesser extent and through a different mechanism. The word supernova was coined by Walter Baade and Fritz Zwicky in 1931Several types of supernovae exist. Types I and II can be triggered in one of two ways, either turning off or suddenly turning on the production of energy through nuclear fusion. After the core of an aging massive star ceases generating energy from nuclear fusion, it may undergo sudden gravitational collapse into a neutron star or black hole, releasing gravitational potential energy that heats and expels the star's outer layers. Alternatively a white dwarf star may accumulate sufficient material from a stellar companion (either through accretion or via a merger) to raise its core temperature enough to ignite carbon fusion, at which point it undergoes runaway nuclear fusion, completely disrupting it. Stellar cores whose furnaces have permanently gone out collapse when their masses exceed the Chandrasekhar limit, while accreting white dwarfs ignite as they approach this limit (roughly 1.38times the solar mass). White dwarfs are also subject to a different, much smaller type of thermonuclear explosion fueled by hydrogen on their surfaces called a nova. Solitary stars with a mass below approximately 9 solar masses, such as the Sun, evolve into white dwarfs without ever becoming supernovae.Although no supernova has been observed in the Milky Way since 1604, supernovae remnants indicate on average the event occurs about once every 50 years in the Milky WayThey play a significant role in enriching the interstellar medium with higher mass elements Furthermore, the expanding shock waves from supernova explosions can trigger the formation of new stars.
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A supermassive black hole is the largest type of black hole in a galaxy, on the order of hundreds of thousands to billions of solar masses. Most, and possibly all galaxies, including the Milky Way.see Sagittarius A*), are believed to contain supermassive black holes at their centers.
Supermassive black holes have properties which distinguish them from lower-mass classifications. First, the average density of a supermassive black hole (defined as the mass of the black hole divided by the volume within its Schwarzschild radius) can be equal to (for 1.81×108 solar mass black holes) or less than (for >1.81×108 solar mass black holes) the density of water. This is because the Schwarzschild radius is directly proportional to mass, while density is inversely proportional to the volume. Since the volume of a spherical object (such as the event horizon of a non-rotating black hole) is directly proportional to the cube of the radius, the density of a black hole is inversely proportional to the square of the mass, and thus higher mass black holes have lower average density. Also, the tidal forces in the vicinity of the event horizon are significantly weaker. Since the central singularity is so far away from the horizon, a hypothetical astronaut traveling towards the black hole center would not experience significant tidal force until very deep into the black hole.
Supermassive black holes have properties which distinguish them from lower-mass classifications. First, the average density of a supermassive black hole (defined as the mass of the black hole divided by the volume within its Schwarzschild radius) can be equal to (for 1.81×108 solar mass black holes) or less than (for >1.81×108 solar mass black holes) the density of water. This is because the Schwarzschild radius is directly proportional to mass, while density is inversely proportional to the volume. Since the volume of a spherical object (such as the event horizon of a non-rotating black hole) is directly proportional to the cube of the radius, the density of a black hole is inversely proportional to the square of the mass, and thus higher mass black holes have lower average density. Also, the tidal forces in the vicinity of the event horizon are significantly weaker. Since the central singularity is so far away from the horizon, a hypothetical astronaut traveling towards the black hole center would not experience significant tidal force until very deep into the black hole.
Jumat, 02 Maret 2012
10 Planet terindah
Planet terindah masih di duduki oleh planet Saturnus dengan cincin dari bongkahan tersebut masih menduduki peringkat yang pertama, kedua diduduki oleh Planet Jupiter dengan warna nya menyerupai gumpalan karamel, Planet terindah ketiga di duduki oleh satu-satunya Planet yang di huni oleh makhluk hidup yaitu Planet Bumi dengan campuran warna biru keputihan membuat Bumi menjadi indah di lihat dari luar angkasa,Planet terindah keempat adalah Planet Merkurius, meskipun Planet tersebut terbilang gersang tetapi Planet ini terlihat indah jika di lihat dari luar angkasa, Planet yang terindah kelima adalah Neptunus ,Planet ini memang tidak memilik keistimewaan , tetapi jika dilihat planet Neptunus ini seperti terdiri dari lautan luas tanpa daratan padahal planet ini tertutup es yang begitu banyak, sehingga warna planet ini jika terkena sinar matahari berwarna biru dan ada garis putih putih.
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