Eclipses and Solar Phenomena

Alex Young from NASA's Goddard Space Flight Center discusses solar eclipses, focusing on their unique features and the experiences they offer. He explains the significance of total solar eclipses, which allow us to see the Sun's outer atmosphere. The video covers the 2017 eclipse path across the U.S., the 2019 eclipse in South America, and upcoming eclipses. Young emphasizes the importance of viewing totality and provides tips for future eclipse observations.

What is the primary reason we are advised not to look directly at the Sun?

• It is too bright and can damage our eyes.

• It is covered by clouds most of the time.

• It is too far away to see clearly.

• It is constantly moving across the sky.

During a total solar eclipse, what becomes visible that is usually hidden by the Sun's brightness?

• The solar corona

• The Earth's shadow

• The Sun's core

• The Moon's surface

What is the solar corona?

• The surface of the Moon

• The outer atmosphere of the Sun

• The Sun's core

• The Earth's atmosphere

What is the duration of the Sun's activity cycle?

• 30 years

• 5 years

• 11 years

• 20 years

How does the environment change during a total solar eclipse?

• The light becomes as bright as a sunny day.

• The temperature rises significantly.

• The temperature drops and it resembles dusk.

• The wind speed increases dramatically.

What effect does a total solar eclipse have on animals?

• They become more active.

• They start making noise.

• They respond to the sudden change in temperature.

• They migrate to different areas.

What was significant about the 2017 solar eclipse in the U.S.?

• It was visible only in the southern states.

• It was the longest eclipse in history.

• It was the first eclipse to be visible from coast to coast in almost 100 years.

• It was the first eclipse visible in the U.S. in 100 years.

What rare phenomenon can occur when the light from an eclipse passes through Earth's atmosphere?

• Auroras

• Lunar halos

• Shadow bands

• Solar flares

What is an annular eclipse?

• When the Moon is too far to cover the Sun completely, leaving a ring.

• When the Sun is completely visible.

• When the Moon completely covers the Sun.

• When the Moon is not visible at all.

Which upcoming eclipse will cross over Texas?

• The 2020 eclipse

• The 2021 eclipse

• The 2023 and 2024 eclipses

• The 2019 eclipse