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On what date will Betelgeuse be on the meridian at 12 midnight tonight?
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Is the prime meridian the international dateline?
Midnight, on the morning of the day after.
Is the international date lines a parallel or a meridian?
Meridian
Why is prime meridian known as mid day line?
This contributor, frankly, has not heard that phrase. But it does make sense . . . At the instant of time when the calendar date is the same everywhere on earth, the time is Midnight on the 180° meridian (roughly the International Date Line). At that instant, all the longitudes west of Greenwich are in AM time, all east longitudes are in PM time, and it's 12:00 noon ... mid-day ... on the Prime Meridian.
What is the opposite of the international date line?
not sure what is up with all that^ but from the north pole to the south pole on one side of the world the international date line is the international date line. On the other side of the world The international date line is the prime meridian
What is the difference between prime meridian and international dateline?
No. The "Prime Meridian" (Greenwich Meridian) is 0° longitude and runs through Greenwich, England, western Europe, and Africa. The International Date Line is on the other side of the world, at 180° longitude (east or west is the same line), and marks the start of each new calendar day. It is midnight at the Date line when it is noon at the Prime Meridian. The actual line has detours to accommodate Russia, the Aleutians, and New Zealand. The two meridians form a circle around the planet, and each divides the Eastern Hemisphere from the Western Hemisphere.
If it is noon along the prime meridian what time would it be along the international date line?
Midnight.
Is the prime meridian the international dateline?
Midnight, on the morning of the day after.
Is the International Date Line the Prime Meridian?
No. The "Prime Meridian" (Greenwich Meridian) is 0° longitude and runs through Greenwich, England, western Europe, and Africa. The International Date Line is on the other side of the world, at 180° longitude (east or west is the same line), and marks the start of each new calendar day. It is midnight at the Date line when it is noon at the prime Meridian. The actual line has detours to accommodate Russia, the Aleutians, and New Zealand.
Is the international date lines a parallel or a meridian?
Meridian
What was the date on earth when light left betelgeuse?
Any date, less 640 years.
What meridian forms the International Date Line?
The International Date Line roughly follows the 180th meridian.
Is the international date line a parrallel or a merdian?
The international date line is a meridian. It is also known as the Greenwich Meridian .
Where is the international date line located?
The International Date Line is 180 degrees longitude. By international agreement, the 180th meridian, halfway around the world from the Prime Meridian, has been selected as the line from which each new day will begin. Between any meridian where it is midnight and traveling to the east through all the meridians where it has already been midnight up to the International Date Line, it is the new day. The International Date Line is somewhat irregular, since the 180th meridian goes through countries and islands.The Date Line has been moved to the east or west of these places to avoid dividing a country into two different days. 180 Degrees.
Why is prime meridian known as mid day line?
This contributor, frankly, has not heard that phrase. But it does make sense . . . At the instant of time when the calendar date is the same everywhere on earth, the time is Midnight on the 180° meridian (roughly the International Date Line). At that instant, all the longitudes west of Greenwich are in AM time, all east longitudes are in PM time, and it's 12:00 noon ... mid-day ... on the Prime Meridian.
Why is the time to the east faster and the time to the west slower from the prime meridian?
The term "meridian" means "midday" or noon.The original definition of the Prime Meridian placed it at the "center" of the day, or noon, when the Sun could be determined as "directly overhead" at some point along the 0° meridian. This meant that midnight, the division between days, was at the 180° meridian, or "International Date Line", when it was noon in Greenwich. At that point, all points on the globe are marking the same calendar day.Because the Sun arrives overhead earlier east of the Prime Meridian, the time there is already after noon that day. Points west of the Prime Meridian will have their noon later that day, so they are "earlier" in the day.The terms "ante meridiem" (A.M. before noon) and "post meridiem" (P.M. after noon) follow the same convention. When it is afternoon at the Prime Meridian, a new day begins at the Date Line and "moves west" with the passing hours. Except at midnight, the Date Line will indicate a "day later" to its west than to its east.
What is the opposite of the international date line?
not sure what is up with all that^ but from the north pole to the south pole on one side of the world the international date line is the international date line. On the other side of the world The international date line is the prime meridian
What is betelgeuse at 4 am altitude?
The position of Betelgeuse in the sky is a function of the date and your location. I recommend the open-source planetarium program "Stellarium", which will tell you, for any location and date you specify, the location of any star or planet in the sky.
