Lord Vishnu who is said to live in Vaikuntha is a finite form of the infinite formless, timeless Narayana.
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Narayana is also venerated as Para Brahman and therefore to pervade all the 14 lokas and the entire Brahmanda (Universe) which includes both manifested (planets, stars, galaxies, black holes, etc. which constitute 25% of the Universe) and unmanifested (the unknown dark matter which constitutes 75%) energy.