During the first and third Quarter Moon phases, how is the Moon illuminated?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $25.99Unlock all

Prepare for the CSET Multiple Subjects Subtest 2. Dive into math and science with flashcards and multiple choice questions, each question offering hints and explanations. Gear up for your success!

Multiple Choice

During the first and third Quarter Moon phases, how is the Moon illuminated?

Explanation:
When the Moon is at first or third quarter, the Sun–Moon–Earth geometry makes the visible Moon appear half lit. The Sun’s light falls on exactly half of the Moon that we can see from Earth, with the other half in shadow. This is why both quarter phases show a 50% illuminated Moon. (In the northern hemisphere, the illuminated half appears on the right during the first quarter and on the left during the last quarter.)

When the Moon is at first or third quarter, the Sun–Moon–Earth geometry makes the visible Moon appear half lit. The Sun’s light falls on exactly half of the Moon that we can see from Earth, with the other half in shadow. This is why both quarter phases show a 50% illuminated Moon. (In the northern hemisphere, the illuminated half appears on the right during the first quarter and on the left during the last quarter.)

More Multiple Choice Questions
Subscribe

Get the latest from Passetra

You can unsubscribe at any time. Read our privacy policy