Keck I and II

Definition

Keck I and II are twin telescopes located at the Mauna Kea Observatory in Hawaii. They are among the largest optical and infrared telescopes in the world, each with a 10-meter primary mirror composed of 36 hexagonal segments.

5 Must Know Facts For Your Next Test

1. The Keck Telescopes utilize adaptive optics to correct for atmospheric distortion.
2. Each telescope's primary mirror is 10 meters in diameter, making them some of the largest optical telescopes globally.
3. The observatory is situated at an altitude of 4,145 meters (13,600 feet) to minimize atmospheric interference.
4. Keck I began operations in 1993 and Keck II followed in 1996.
5. These telescopes have been instrumental in several major astronomical discoveries, such as the study of exoplanets and distant galaxies.

Review Questions

• What technology do the Keck Telescopes use to reduce atmospheric distortion?
• When did Keck I and Keck II begin their operations?
• Why is the Mauna Kea Observatory an ideal location for these telescopes?

Related terms

Adaptive Optics:

A technology that adjusts a telescope's optics to compensate for atmospheric distortions.

Mauna Kea Observatory: An astronomical observatory located on Mauna Kea in Hawaii, home to several large telescopes including Keck I and II.

Exoplanet:

A planet that orbits a star outside our solar system; many have been studied using the Keck Telescopes.