Question: Are Man or Astro-man? and Wintersleep both rock bands?

Context articles: A Spectrum of Finite Scale
Your Weight on the Moon
Jonny Browning
Man or Astro-man?
Amazing Thrills! in 3-Dimension
Wintersleep (album)
Astro Launch
Welcome to the Night Sky
Wintersleep
Brian Causey

A Spectrum of Finite Scale is a tour-only album by the band Man or Astro-man?
.
 A departure from the band's familiar space-surf instrumentals, "A Spectrum of Finite Scale" is a compilation of experiments produced by members of the Man or Astro-Man?
 team.
 Tracks were contributed by pairs of band members, individual members and even Man or Astro-man?
 personnel like soundman The Brannock Device and Q-Beam contributed tracks.
Your Weight on the Moon is a 10" EP/CDEP by Man or Astro-man?
.
 The 10" vinyl was pressed on four different colors of vinyl: black, opaque pink, opaque silvery-gray and glow-in-the-dark.
 The Man or Astro-man official discography points out that one should know one's mass rather than one's weight.
Jonny Browning is an American instrumental surf musician, primarily known as touring guitarist Victor Vector for the band Man or Astro-Man?
 Prior to his performing in the band, he also played the part of Chromo-Crunch in Man or Astro-Man?
: Clone Project Alpha in 1997-1998.
 He has played guitar and written songs for Sound of Humans (also featuring Birdstuff of Man or Astro-Man?
), Jonny and the Shamen, and The Man Made Brain.
 He currently plays guitar and writes for Canadian instrumental surf band The Other Timelines.
 Jonny has played in bands or recorded with members of many other bands, including: St. Vincent, The Polyphonic Spree, Drive-By Truckers, And You Will Know Us By The Trail Of Dead, Verbena, and Servotron.
 He was born and raised in Alabama and has resided in Vancouver, BC since 2009.
Man or Astro-man?
 is a surf rock group that formed in Auburn, Alabama, in the early 1990s and came to prominence over the following decade.
Amazing Thrills!
 in 3-Dimension is a Man or Astro-man?
 promo 7" that was given away with the first 1,000 copies of their debut album, Is It ... Man or Astroman?
.
 It was released on Estrus Records in 1993 on black vinyl only.
 By some counts, 1,000 copies is a generous estimate, as the Estrus website places the actual number pressed as only 400 (200 given to the band and 200 distributed to the first 200 people to order the first LP directly from Estrus).
 This is the first time Man or Astro-man's cover of the Mystery Science Theater 3000 theme song was released.
 It was later re-released on "Destroy All Astromen!
".
Wintersleep is the eponymous debut album by Canadian indie rock band Wintersleep, released in 2003 on Dependent Music.
Astro Launch is one of many 7" EPs Man or Astro-man?
 released in 1994.
 It was released on Estrus Records on clear orange vinyl and black vinyl.
 As the black vinyl copies are pressed onto translucent black vinyl, some discographies list the vinyl color as "rootbeer" or "clear rootbeer".
 There are also some copies pressed on opaque gray vinyl, and at least one copy on dark, ruby-red vinyl.
 "Transmission from Venus '94" is a re-recording of a song Man or Astro-man?
 recorded in 1993 and released on a Roger Corman tribute compilation.
 The back cover states that a secret vocal version of "Philip K. Dick" on cassette can be obtained from Man or Astro-man?
 for $1.
 The cover art was designed by Art Chantry.
Welcome to the Night Sky is the third album by Canadian indie rock band Wintersleep.
 It was released October 2, 2007, by Labwork Music.
 In 2008, just after the album's release, Wintersleep won the Juno Award for New Group of the Year.
Wintersleep is a Canadian indie rock band based in Halifax, Nova Scotia.
 The band received a Juno Award in 2008.
 In 2016 the members of Wintersleep are Paul Murphy, Loel Campbell, and Tim D'eon.
Brian Causey is an American guitarist, composer and singer.
 He is a founding member of Man or Astro-man?
 and was the main songwriter/guitarist in the band from 1991 to 1998.
 After his departure from Man or Astro-man?
, Causey composed and performed the theme song for "", for which he was awarded a BMI Cable Award in 2003 and 2004.
 He currently runs record label Warm Electronic Recordings.
 His stage name is a reference to the popular snack item made by Little Debbie, "Star Crunch".