Earth's Orbit and Year Length Concepts

The video explains three methods for measuring Earth's orbit around the sun: sidereal, tropical, and anomalistic. It describes Earth's counter-clockwise orbit and rotation, the speed of Earth's travel, and the elliptical shape of its orbit. The sidereal method measures a complete orbit relative to the stars, the tropical method measures from one vernal equinox to the next, and the anomalistic year measures from one perihelion to the next. The video concludes with a message about kindness.

In which direction does the Earth revolve around the sun?

• Clockwise

• Horizontally

• Counter-clockwise

• Vertically

What is the duration of a sidereal year?

• 365.2596 days

• 365.24219 days

• 364.5 days

• 365.256 days

How far does the Earth travel in one sidereal year?

• 750 million kilometers

• 1 billion kilometers

• 500 million kilometers

• 940 million kilometers

What marks the beginning and end of a tropical year?

• Summer solstice

• Vernal equinox

• Autumn equinox

• Winter solstice

How long is a tropical year?

• 364.5 days

• 365.2596 days

• 365.256 days

• 365.24219 days

What is the duration of an anomalistic year?

• 364.5 days

• 365.2596 days

• 365.256 days

• 365.24219 days

What is the perihelion in the context of Earth's orbit?

• The point where Earth is farthest from the sun

• The point where Earth is closest to the sun

• The point where Earth is at the equator

• The point where Earth is at the poles

At what speed does the Earth travel around the sun?

• 675,000 miles per hour

• 500,000 miles per hour

• 107,000 kilometers per hour

• 200,000 kilometers per hour

What shape is the Earth's orbit around the sun?

• Square

• Triangle

• Ellipse

• Circle

What is the average distance from the Earth to the sun?

• 120 million miles

• 93 million miles

• 100 million miles

• 80 million miles