Dark matter is indistinguishable from dark energy.
Siyahrud Rural District is a rural district -LRB- dehestan -RRB- in the Central District of Tehran County , Tehran Province , Iran .. Province. Provinces of Iran. Tehran. Tehran County. County. Counties of Iran. District. Bakhsh. Central. Central District ( Tehran County ). rural district. Rural Districts of Iran. Central District. Central District ( Tehran County ). Tehran County. Tehran County. Tehran Province. Tehran Province. Iran. Iran. At the 2006 census , its population was 1,734 , in 490 families .. The rural district has 8 villages .. rural district. Rural Districts of Iran