Earth, Moon, Sun System Flashcards
How long does a solar eclipse last?
A few seconds to seven minutes
What is so special about a total solar eclipse from an astronomer’s perspective?
Astronomers can safely study bursts of gases from the Sun without damaging their eyes
What is an annual solar eclipse?
They occur when the Moon does not cover the entire disk of the Sun (It is too far away)
How often does a total solar eclipse happen?
Once every 2 years
Why does the moon become red during a total lunar eclipse?
The sunlight is bent by Earth’s atmosphere
Red has longer wavelengths and doesn’t get scattered away
What can cause the moon to appear even more red during a total lunar eclipse?
Smoke from wildfires
What side of a rainbow is red?
The top because red has a shorter wavelength
What phase of the moon is associated with a total lunar eclipse?
Full moon
At approximately what time does the moon need to rise if a total lunar eclipse is to occur?
Before sunset
How often does a total lunar eclipse happen?
2.5 years (googled)
What has greater effect on the tides, the moon or Sun?
Moon
If you are experiencing high tide, where is the moon?
In the sky or on the opposite side of the Earth
How do high tides occur on opposite sides of the Earth?
The Earth is squeezed like a pimple, and the ocean water is pushed toward the Earth-moon line causing bulges on both sides of the Earth
