Question: Where was the 1979 rock trio formed that was named as an homage to extraterrestrials?

Context paragraphs:
Star FK Radium: Star FK Radium is an American instrumental rock trio formed in June 2008.  The band, which consists of Bill Martien (guitar), Alissa Taylor (violin) and Matt Clarke (drums), plays a form of chamber rock and post rock which it calls "musicbox".  The trio is currently reported to be working on its second full length release.

Atomic 7: Atomic 7 is a Canadian instrumental rock trio formed in 1998, led by its only constant member, former Shadowy Men on a Shadowy Planet guitarist Brian Connelly.  While Shadowy Men rarely used vocals, Atomic 7's music is completely instrumental.  The band doesn't even use vocal microphones on stage.

Blind Idiot God: Blind Idiot God is an instrumental rock trio formed in 1982 in St. Louis, Missouri by guitarist Andy Hawkins, bassist Gabriel Katz and drummer Ted Epstein.  The phrase "blind idiot god" comes from horror writer H. P. Lovecraft's description of the god Azathoth.  Their often improvisational musical style combines influences from punk rock, noise music, 20th-century classical music, heavy metal, dub, free jazz, and funk.  They are currently based in New York City and have often collaborated with musicians Bill Laswell and John Zorn.

Blindstone: Blindstone is a Danish rock trio formed 2002 in Thisted, Denmark.  The band has released four albums so far: "Manifesto" (2003), "Freedom's Calling" (2008), "Rise Above" (2010) and "Greetings From The Karma Factory" (2012).  Current lineup consists of Martin J. Andersen (guitars, vocals), Jesper Bunk (bass) and Anders Hvidtfeldt (drums), who replaced original drummer, Benjamin Hove a few months after the debut album was released in 2003.  Andersen and Bunk made an appearance on George Clinton album How Late Do U Have 2BB4UR Absent?  (2005) providing guitar and bass parts on a cover version of the old rock classic Whole Lotta Shakin' Goin On.  Although Blindstone have recorded cover versions of songs by artists such as Jimi Hendrix, Frank Zappa, Robin Trower, Funkadelic, Frank Marino and The Isley Brothers on their albums, the band's releases mainly consist of original material.  All Blindstone albums have been released by New York based record company Grooveyard Records which is specialized in guitar oriented rock music.

ScreamCreature: ScreamCreature is an American alt rock trio formed in Chicago, Illinois, in 2010.  The group consists of Chris Culos (drums), Danny Chaimson (keyboards, backup vocals) and Robert Culos (guitar, vocals).  The band began as a side project of O.A.R., of which Chris Culos is a founding member.  The Culos brothers grew up playing music in their mother's basement and the band's retro rock sound draws heavily from their own rock influences including Aerosmith, The Black Crowes, and Oasis.

Mike Watt and the Secondmen: Mike Watt and the Secondmen is the punk rock trio formed by former Minutemen and Firehose bassist Mike Watt to perform and record his third solo album, "The Secondman's Middle Stand".  Formed in 2002 in Watt's hometown of San Pedro, California, the band first consisted of organist Pete Mazich and drummer Jerry Trebotic, both of whom had played with Watt in a side project, The Madonnabes, that was devoted to reinterpreting the works of Madonna; the three musicians had also previously recorded a song for a Doctors Without Borders benefit album under the name Mike Watt & Masina in 1998, with Mazich's wife Ljil on vocals.

Enanitos Verdes: Enanitos Verdes (Literally "Little green dwarfs", roughly equivalent to the English phrase "Little green men") is a rock trio from Argentina, formed in 1979 in the city of Mendoza.

Brand New Immortals: Brand New Immortals was an American rock trio formed by David Ryan Harris, drummer Kenny Cresswell, and former bassist for The Black Crowes, Johnny Colt.  The group released a successful 6 track EP and were signed to Elektra Records.  In 2001, the trio produced a full length album entitled Tragic Show, which the band felt that Elektra did not properly promote.  Early the next year the band broke up

Little green men: Little green men is the stereotypical portrayal of extraterrestrials as little humanoid-like creatures with green skin and sometimes with antennae on their heads.  The term is also sometimes used to describe gremlins, mythical creatures known for causing problems in airplanes and mechanical devices.  Today, these creatures are more commonly associated with an alleged alien species called greys, whose skin color is described as not green, but grey.

Gerling: Gerling were an Australian electronica, alternative rock trio formed in 1993.  From early 1997 the members were Darren Cross on guitar and lead vocals, Presser (real name Paul Towner) on drums and Burke Reid on guitar and vocals.  Their second album, "When Young Terrorists Chase the Sun" (September 2001), reached the ARIA Albums Chart top50.  It provided a top50 single, "Dust Me Selecta" (August 2001).  The group disbanded in 2007.

Supporting paragraphs: Enanitos Verdes Little green men
Answer: Mendoza