Eclipses Flashcards
What occurs during a solar eclipse?
When the new Moon passes between Earth and the Sun, blocking Earth’s view of the Sun.
What is a Total Solar Eclipse?
The Moon’s shadow completely blocks the Sun.
What is a Partial Solar Eclipse?
Only part of the Sun is blocked by the Moon.
What are the characteristics of solar eclipses?
Rare events, lasting only a few minutes. Moon casts a small shadow on Earth. Temperature drops, birds sing, and stars become visible.
What can be seen during a solar eclipse?
Corona and solar prominences.
What is eclipse chasing?
Scientists and enthusiasts travel worldwide to observe and study eclipses.
What occurs during a lunar eclipse?
When the full Moon moves through Earth’s shadow.
What alignment is necessary for a lunar eclipse to occur?
Earth must be between the Moon and the Sun, all aligned in the ecliptic plane.
What are the two parts of Earth’s shadow?
- Umbra
- Penumbra
What is the umbra?
The inner, cone-shaped part where all light is blocked.
What is the penumbra?
The outer part where light is only partially blocked.
What is a Total Lunar Eclipse?
The Moon travels completely through Earth’s umbra.
What is a Partial Lunar Eclipse?
Only part of the Moon enters Earth’s umbra.
What are the characteristics of lunar eclipses?
Lunar eclipses last for hours due to Earth’s large shadow. Visible from anywhere on Earth with a view of the Moon during the eclipse.
Why do lunar eclipses not occur every month?
Because the Moon’s orbit is tilted 5 degrees relative to Earth’s orbit.
