United States · Las Vegas, NV · 36.167, -115.149 (approximate location)

Comet

Comet, a research reactor (critical assembly) in Las Vegas, NV, United States, with 500 W of thermal power, operated by Los Alamos National Security. Operating, first critical in 1952.

It is one of the 48 research reactors operating in the United States. It went critical 10 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). It is one of 44 critical assemblies operating worldwide, spread across 12 countries. Its declared uses include training, innovative research, nuclear data measurements and materials testing.

Country

United States

City

Las Vegas, NV

Type

Critical assembly

Thermal power

500 W

Operator

Los Alamos National Security

Status

Operating

First criticality

1952

Purpose

Training, innovative research, nuclear data, materials testing

See also: every research reactor in United States · How research reactors work