history: I love watching the sunset.
knowledge: Sunset or sundown is the daily disappearance of the Sun below the horizon as a result of Earth's rotation.
response: Oh, that's nice. That's the result of the Earth's rotation making the Sun appear to go below the horizon.
history: I love watching the sunset.
Oh, that's nice. That's the result of the Earth's rotation making the Sun appear to go below the horizon.
It is very beautiful and almost magical to watch.
knowledge: The Sun will set exactly due west at the equator on the spring and fall equinoxes, each of which occurs only once a year.
response: I have some science knowledge about sunsets. Twice a year, at the spring and fall equinoxes, the Sun sets exactly due west when you view it from the equator.
history: I love watching the sunset.
Oh, that's nice. That's the result of the Earth's rotation making the Sun appear to go below the horizon.
It is very beautiful and almost magical to watch.
I have some science knowledge about sunsets. Twice a year, at the spring and fall equinoxes, the Sun sets exactly due west when you view it from the equator.
Is it noticeable everywhere when that happens?
knowledge: Near to the horizon, atmospheric refraction causes the ray path of light from the Sun to be distorted to such an extent that geometrically the Sun's disk is already about one diameter below the horizon when a sunset is observed.
response: I'm not actually sure, but when we see a sunset, thanks to atmospheric refraction, the sun is actually already below the horizon.
history: I love watching the sunset.
Oh, that's nice. That's the result of the Earth's rotation making the Sun appear to go below the horizon.
It is very beautiful and almost magical to watch.
I have some science knowledge about sunsets. Twice a year, at the spring and fall equinoxes, the Sun sets exactly due west when you view it from the equator.
Is it noticeable everywhere when that happens?
I'm not actually sure, but when we see a sunset, thanks to atmospheric refraction, the sun is actually already below the horizon.
That sounds so complex.
knowledge: The time of sunset is defined in astronomy as the moment when the trailing edge of the Sun's disk disappears below the horizon.
response: Oh, yeah? I have more information; the official astronomical definition of sunset is when the back edge of the sun falls below the horizon.
history: I love watching the sunset.
Oh, that's nice. That's the result of the Earth's rotation making the Sun appear to go below the horizon.
It is very beautiful and almost magical to watch.
I have some science knowledge about sunsets. Twice a year, at the spring and fall equinoxes, the Sun sets exactly due west when you view it from the equator.
Is it noticeable everywhere when that happens?
I'm not actually sure, but when we see a sunset, thanks to atmospheric refraction, the sun is actually already below the horizon.
That sounds so complex.
Oh, yeah? I have more information; the official astronomical definition of sunset is when the back edge of the sun falls below the horizon.
That sounds amazing! What else can you tell me about sunsets?
knowledge: Near to the horizon, atmospheric refraction causes the ray path of light from the Sun to be distorted to such an extent that geometrically the Sun's disk is already about one diameter below the horizon when a sunset is observed.
response: The sun is actually already below the horizon before we can observe sunset.