Star Distances and Solar Eclipses

When the student observes the night sky, which two stars will appear the brightest?

• 1 and 3

• 2 and 3

• 3 and 4

• 2 and 4

How many days of observations are shown in Figure 2?

• 2

• 4

• 6

• 8

The model represents the sun-Earth-moon system. The numbers represent four positions of the moon in its orbit around Earth. Which number represents the location of the moon when it is in the new moon phase?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-ESS1-1

What is the effect of constellations being farther from the North Star?

• They stay above the horizon.

• They move in a small circle.

• They move in a large circle and part goes below the horizon.

• They are not visible at all.

Which constellation was observed after sunset in May?

• Leo

• Libra

• Orion

• Jupiter

What is shown in the center of each model in the diagrams?

• The moon

• The sun and Earth's orbit

• Mars

• Venus

Tags

NGSS.MS-ESS1-1

Orion is not visible during the night in May, as shown in the student’s observations in Figure 2. Which two statements describe reasons that Orion is only visible at night during part of the year?

• A. Orion rises and sets at about the same time as the sun in May.

• B. The stars in Orion rotate to the opposite side of Earth in May.

• C. The sun moves between Earth and the stars in Orion during part of the year.

• D. Orion’s orbit causes it to move farther away from the sun during part of the year.

• E. Earth’s orbit causes Orion to appear to move closer to the sun’s location in the sky during part of the year.

Tags

NGSS.MS-ESS1-1

Which of these best describes the positions of the sun, the moon, and Earth during a solar eclipse?

• The sun, the moon, and Earth are in a straight line, and the moon is between the sun and Earth.

• The sun, the moon, and Earth are in a straight line, and the sun is between the moon and Earth.

• The sun and Earth are in a straight line. The moon is not in a line but is at an angle between Earth and the sun.

• The sun and Earth are in a straight line. The moon is not in a line but is at an angle on the side of Earth away from the sun.

Tags

NGSS.MS-ESS1-1

What causes some constellations to stay below the horizon at night during certain parts of the year?

• Their large circles around the North Star.

• Their brightness.

• Their size.

• Their proximity to the North Star.

What is the main reason some constellations are not visible all year?

• Their distance from the North Star.

• Their brightness.

• Their size.

• Their color.