Show:
Time, Space, The Day
Calendars
Important People
Time Zones
Zones and more
100
Imaginary line, shortest shadow of the day
What is Horizon
100
365.25 days which adds leap year
What is Julian calender
100
Used wrong unit to figure length of trip to India going west
What is Columbus
100
Local Time in greenwich England
What is Universal Time
100
advance one day
What is going west
200
day and night are nearly equal in time
What is equinox
200
Calendar peaked 1200-1450
What is Maya Calendar
200
Longest is at the equator 0º
What is Latitude
200
15º bands that observe the same local time
What is Time Zones
200
goes back one day
What is going east
300
the season with the shortest days
What is winter
300
said earth is a sphere because of shadow during lunar eclipse
What is Aristotle
300
extend pole to pole
What is Longitude
300
Eastern, central, mountain and western
What is Four in the US
300
The point directly over your head
What is Zenith
400
the season with the longest days
What is summer
400
estimated how large the Earth was
What is Eratosthenes
400
Royal Astronomical observatory at the prime meridian
What is Greenwich England
400
allows people to take advantage of earlier sunrise without shifting their work hours
What is Daylight Savings Time
400
Longitude in space
What is Right Ascension
500
time from one noon to the next
What is day
500
He sent out surveyors and got pretty close to the actual size
What is El Mamum
500
Time that depends on location
What is Local Time
500
180th meridian
What is International Date Line
500
latitude in space
What is Declination