Source: wikibot/john-carlstrom
= John Carlstrom
{wiki=John_Carlstrom}
John Carlstrom is an American astrophysicist known for his work in the field of cosmology, particularly in studying the cosmic microwave background radiation and its implications for understanding the early universe. He has been involved in various significant projects and experiments aimed at probing the detailed properties of the universe, such as the Atacama Cosmology Telescope (ACT) and the South Pole Telescope (SPT).