Description: 理解宇宙的關鍵基礎之一是確定各種天體和現象的距離。理解距離不僅可以幫助科學家繪製可觀測宇宙的地圖，還能幫助他們了解各種天體和現象的物理特性。距離階梯，通常被稱為宇宙距離階梯，是一個提供不同尺度上測量距離的概述框架。就像梯子的每一級一樣，距離階梯的每一級（測量技術）都是基於上一級校準的。距離階梯從用於測量較近天體的技術開始（例如視差法），隨著每一層的推進，科學家能夠測量更遠的天體（例如Ia型超新星、紅移）。

Related Terms:

• 週年視差
• 造父變星
• 宇宙學
• Parallax
• 紅移
• 標準燭光
• 變星

Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher
The translation of this term and its definition is still awaiting approval

This is an automated transliteration of the simplified Chinese translation of this term

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