Astronomy Week 2

What is the date of the Summer Solstice?

• June 23rd

• July 21st

• June 21st

• July 23rd

What is the date of the Autumnal Equinox?

• September 23rd

• September 21st

• September 19th

• September 20th

What is the date of the Winter Solstice?

• January 23rd

• January 21st

• December 23rd

• December 21st

What is the date of the Vernal Equinox?

• March 23rd

• March 21st

• May 21st

• May 23rd

Why do we have seasons?

• Insolation

• Earth's tilt

• Earth's rotation

• Earth's revolution

How many degrees is Earth's tilt?

• 23.5°

• 21°

• 23°

• 21.5°

Which of these days has the longest duration of insolation?

• Autumnal Equinox

• Winter Solstice

• Vernal Equinox

• Summer Solstice

During the Summer Solstice, the direct rays are at

• Tropic of Cancer

• Equator

• Tropic of Capricorn

• Artic Circle

Which of these days has the shortest duration of insolation?

• Autumnal Equinox

• Winter Solstice

• Vernal Equinox

• Summer Solstice

During the Winter Solstice, the direct rays are at

• Tropic of Cancer

• Equator

• Tropic of Capricorn

• Artic Circle