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ALMA: Atacama Large Millimeter Array Overview

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ALMA: Atacama Large Millimeter Array Overview

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Questions and Answers

What is the primary purpose of the Atacama Large Millimeter/submillimeter Array (ALMA)?

To monitor solar flares and their effects

To study star birth and local star and planet formation (correct)

To enhance radio communication

To observe cosmic microwave background radiation

Why was the Chajnantor plateau chosen as the location for ALMA?

It has a high density of astronomical phenomena

It is close to major urban areas for backup support

Its high elevation and low humidity are critical for reducing noise (correct)

It offers convenient access for international collaboration

Which countries are involved in the international partnership that operates ALMA?

China and Australia only

Only European countries and the United States

Europe, the United States, Canada, Japan, South Korea, Taiwan, and Chile (correct)

Only Japan and South Korea

When did ALMA begin its scientific observations?

<p>In the second half of 2011</p> Signup and view all the answers

What is significant about the cost of ALMA?

<p>It is the most expensive ground-based telescope in operation</p> Signup and view all the answers

Study Notes

ALMA: Atacama Large Millimeter/submillimeter Array

ALMA is a multinational astronomical interferometer composed of 66 radio telescopes.
Located in the Atacama Desert, northern Chile, on the 5,000 m (16,000 ft) Chajnantor plateau.
Designed to observe electromagnetic radiation at millimeter and submillimeter wavelengths.
High elevation and low humidity at the observatory site reduce atmospheric noise and signal attenuation.
ALMA captures detailed images of star and planet formation.
The array observes star birth during early Stelliferous epoch.
Partners in the project are: Europe, the US, Canada, Japan, South Korea, Taiwan, and Chile.
Estimated cost is US$1.4 billion, making it the most expensive ground-based telescope currently in operation.
Began scientific observations in the second half of 2011.
First images publicly released in October 2011.
Fully operational since March 2013.

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Description

Explore the ALMA project, a groundbreaking astronomical interferometer featuring 66 radio telescopes located in Chile's Atacama Desert. Learn about its design, capabilities, and its role in capturing stunning images of star and planet formation. This quiz delves into the technical aspects and international collaboration behind one of the most advanced telescopes in operation today.