Identify that galaxies consist of billions of stars, that the Sun is a star located in the Milky Way galaxy, that other stars in the Milky Way are significantly farther from Earth than the Sun, and that astronomical distances are measured in light-years, with one light-year being the distance light travels in a year in a vacuum.

Quick explanation

Identify that galaxies consist of billions of stars, that the Sun is a star located in the Milky Way galaxy, that other stars in the Milky Way are significantly farther from Earth than the Sun, and that astronomical distances are measured in light-years, with one light-year being the distance light travels in a year in a vacuum

• This point belongs to Stars, especially Stars outcomes.
• You need to be able to identify that galaxies consist of billions of stars, that the Sun is a star located in the Milky Way galaxy, that other stars in the Milky Way are significantly farther from Earth than the Sun, and that astronomical distances are measured in light-years, with one light-year being the distance light travels in a year in a vacuum.
• The key ideas to know are Identify, State, and Describe.
• Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.