Na

NA, N.A., Na, or n/a may refer to:

Places

Science and medicine

Linguistics

Peoples

Other uses

Sun

The Sun (in Greek: Helios, in Latin: Sol) is the star at the center of the Solar System and is by far the most important source of energy for life on Earth. It is a nearly perfect spherical ball of hot plasma, with internal convective motion that generates a magnetic field via a dynamo process. Its diameter is about 109 times that of Earth, and it has a mass about 330,000 times that of Earth, accounting for about 99.86% of the total mass of the Solar System.About three quarters of the Sun's mass consists of hydrogen; the rest is mostly helium, with much smaller quantities of heavier elements, including oxygen, carbon, neon and iron.

The Sun is a G-type main-sequence star (G2V) based on spectral class and it is informally referred to as a yellow dwarf. It formed approximately 4.567 billion years ago from the gravitational collapse of matter within a region of a large molecular cloud. Most of this matter gathered in the center, whereas the rest flattened into an orbiting disk that became the Solar System. The central mass became increasingly hot and dense, eventually initiating nuclear fusion in its core. It is thought that almost all stars form by this process.

Empire of the Sun

Empire of the Sun is a 1984 novel by English writer J. G. Ballard; it was awarded the James Tait Black Memorial Prize and was shortlisted for the Man Booker Prize. Like Ballard's earlier short story "The Dead Time" (published in the anthology Myths of the Near Future), it is essentially fiction but draws extensively on Ballard's experiences in World War II. The name of the novel is derived from the etymology of the name for Japan.

Ballard later wrote of his experiences in China as a boy and the making of the film of the same name in his autobiography Miracles of Life.

Plot

The novel recounts the story of a young British boy, Jamie Graham (named after Ballard's two first names, "James Graham"), who lives with his parents in Shanghai. After the Pearl Harbor attack, Japan occupies the Shanghai International Settlement, and in the following chaos Jim becomes separated from his parents.

He spends some time in abandoned mansions, living on remnants of packaged food. Having exhausted the food supplies, he decides to try to surrender to the Japanese Army. After many attempts, he finally succeeds and is interned in the Lunghua Civilian Assembly Center.

Katy Perry

Katheryn Elizabeth "Katy" Hudson (born October 25, 1984), known professionally as Katy Perry, is an American singer, songwriter, and actress. After singing in church during her childhood, she pursued a career in gospel music as a teenager. Perry signed with Red Hill Records and released her debut studio album Katy Hudson in 2001, which was commercially unsuccessful. She moved to Los Angeles the following year to venture into secular music after Red Hill ceased operations. After being dropped by The Island Def Jam Music Group and Columbia Records, Perry signed a recording contract with Capitol Records in April 2007.

Perry rose to fame in 2008 with the release of the singles "I Kissed a Girl" – which sparked controversy for its homosexual themes – and "Hot n Cold" from her second album, a pop rock record titled One of the Boys. Her third album, Teenage Dream (2010), ventured into disco, and contained the U.S. Billboard Hot 100 chart-topping singles "California Gurls", "Teenage Dream", "Firework", "E.T.", and "Last Friday Night (T.G.I.F.)" as well as the number-three single "The One That Got Away". The album became the first by a female artist to produce five number-one Billboard Hot 100 songs, and the second overall after Michael Jackson's album Bad. In March 2012, she reissued the album as Teenage Dream: The Complete Confection, which produced the songs "Part of Me" and "Wide Awake".

Kanye West

Kanye Omari West (/ˈkɑːnjeɪ/; born June 8, 1977) is an American recording artist, record producer, fashion designer and entrepreneur. He is the founder of the record label GOOD Music and creative content company DONDA. West is one of the most acclaimed musicians of the 21st century. He has attracted both praise and criticism for his work and his controversial, outspoken public persona.

Raised in Chicago, West first became known as a producer for Roc-A-Fella Records in the early 2000s, producing hit singles for musical artists such as Jay-Z and Alicia Keys, before pursing a solo career as a rapper. In 2004, he released his debut album The College Dropout, to widespread commercial and critical success, and founded record label and management company GOOD Music. He went on to explore a variety of different musical styles on subsequent albums that included the baroque-inspired Late Registration (2005), the electronic-tinged Graduation (2007), and the starkly polarizing 808s & Heartbreak (2008). In 2010, he released his critically acclaimed fifth album My Beautiful Dark Twisted Fantasy. He collaborated with Jay-Z on Watch the Throne (2011), and released his sixth album, Yeezus, to further critical praise in 2013. Following a series of recording delays and work on non-musical projects, West's seventh album, The Life of Pablo, was released in 2016.