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When does the star Sirius vanish in Egypt and when does it reappear?
Helical setting (sets just before sunset, or when it "vanishes")The helical setting of Sirius for Egypt is generally in late May. See "Problems in determining helical rise/set dates" below for more information on why an exact date for the helical setting of Sirius is hard to calculate."Dog Days"The time period between the helical setting and the helical rise for Sirius is approximately 70 days.Helical rise (rises just before dawn, or when it "reappears")The helical rise of Sirius was considered to be the marking day in which the Nile river would soon annually flood, and also marked as the beginning of the Egyptian new year. Because of this, it is sometimes called the Nile Star. Today, the helical rise of Sirius for Egypt is in early August. See "Problems in determining helical rise/set dates" below for more information on why an exact date for the helical rise of Sirius is hard to calculate.Problems in determining helical rise/set datesThe exact dates pertaining to the helical rise/setting of Sirius or any other star can be rather hard to calculate for several reasons (light pollution, clouds, latitude/longitude of the observer's location, etc. to name a few). This also greatly depends on where in Egypt. Over time, the dates for both the helical rise and the helical setting have drastically changed over the course of thousands of years and tends to change by 2-3 days over the course of a couple hundred years.As a general rule of thumb, the further north you are, the later Sirius will "rise" and the further south the earlier it will "rise".
When is Sirius birthday?
An exact date of birth for Sirius Black is not known. We do know that he was born sometime between September and December of 1959. According to interviews with J.K. Rowling, Sirius Black was born in Autumn. Therefore, we can further narrow down the date to somewhere between September 21 - December 21, 1959.
Will gold price rise in the month of September 2012?
i think gold will rise
What relation is Sirius to Harry Potter?
Sirius is Harry's godfather. Sirius Black is Harry's godfather.Harry is sirius's Godson.
Is 'Sirius C' real or not?
It is not real. Sirius is a two-star system containing only Sirius A and Sirius B.
How far apart are Sirius A and Sirius B?
Sirius is a binary star system Sirius A and Sirius B.The distance separating Sirius A from B varies between 8.1 and 31.5 AU. (See related question).
Is Sirius a giant?
No. Sirius consists of two stars. Sirius A is larger than the sun but is not a giant. Sirius B is a white dwarf,
Is Sirius a a white dwarf?
No, but Sirius B is,
What was name of the Chicago Bulls 2010-11 Intro Song?
The Alan Parsons Project - Sirius
Where is Sirius b located in the night sky?
Sirius, which consists of both Sirius A and Sirius B is in the constellation Canis Major, which, if you are looking south, appears below and to the left of Orion. Sirius B itself is too dim to be seen from Earth; the vast majority of the light from Sirius is from Sirius A. Even then, as a binary system, the two stars are too close together for us to see them separately.
What is the apperant magnitude of Sirius?
Sirius is actually a binary star system. Sirius A has an apparent magnitude of -1.46 whereas Sirius B has an apparent magnitude of 8.3
Where was Sirius Black born?
An exact date of birth for Sirius Black is not known. We do know that he was born sometime between September and December of 1959. According to interviews with J.K. Rowling, Sirius Black was born in Autumn. Therefore, we can further narrow down the date to somewhere between September 21 - December 21, 1959.
