time

Big Bang Theory 1) About how long ago did the big bang take place? According to the standard theory, our universe sprang into existence as "singularity" around 13.7 billion years ago. 2) What is a black hole? Black holes are areas of intense gravitational pressure. 3) Does the universe continue to expand? It apparently inflated (the "Big Bang"), expanded and cooled, going from very, very small and very, very hot, to the size and temperature of our current universe. 4) Was there really a big bang? There are many conceptions surrounding the Big Bang theory. 5) What light elements seem to support the Big Bang Theory?  Part 2   1) What is the current calendar most of the world uses / accepts? Explain who made it and why this is accepted. The Gregorian calendar, also known as the Western calendar, or Christian calendar, is the internationally accepted and of the world accepts it.It was introduced by [|Pope Gregory XIII] <span style="font-family: 'Times New Roman','serif'; font-size: 21px;">, after whom the calendar was named, by a decree signed on 24 February 1582, a papal bull known by its opening words <span style="color: #0d0d0d; font-family: 'times new roman','serif'; font-size: 21px; text-decoration: none;">[|Inter gravissimas.] <span style="font-family: 'Times New Roman','serif'; font-size: 21px;"> The reformed calendar was adopted later that year by a handful of countries, with other countries adopting it over the following centuries. The motivation for the Gregorian reform was that the <span style="color: #0d0d0d; font-family: 'times new roman','serif'; font-size: 21px; text-decoration: none;">[|Julian calendar] <span style="font-family: 'Times New Roman','serif'; font-size: 21px;"> assumes that the time between vernal equinoxes is 365.25 days, when in fact it is presently almost exactly 11 minutes shorter

<span style="font-family: 'times new roman','serif'; font-size: 21px;">2) What is a leap year? A leap year (or intercalary or bissextile year) is a year containing one extra day (or, in the case of <span style="color: #0d0d0d; font-family: 'times new roman','serif'; font-size: 21px; text-decoration: none;"> [|lunisolar calendars] <span style="font-family: 'Times New Roman','serif'; font-size: 21px;">, a month) in order to keep the <span style="color: #0d0d0d; font-family: 'times new roman','serif'; font-size: 21px; text-decoration: none;">[|calendar year] <span style="font-family: 'Times New Roman','serif'; font-size: 21px;"> synchronized with the <span style="color: #0d0d0d; font-family: 'times new roman','serif'; font-size: 21px; text-decoration: none;">[|astronomical] <span style="font-family: 'Times New Roman','serif'; font-size: 21px;"> or <span style="color: #0d0d0d; font-family: 'times new roman','serif'; font-size: 21px; text-decoration: none;">[|seasonal year] <span style="font-family: 'Times New Roman','serif'; font-size: 21px;">.3) List three other types of calendars used and how they set up their calendar (ex. Lunar).

3) List three other types of calendars used and how they set up their calendar (ex. Lunar).

Hebrew calendar <span style="color: #0d0d0d; font-family: 'Times New Roman','serif'; font-size: 21px;">The Hebrew calendar (הלוח העבריha'luach ha'ivri), or Jewish calendar, is a [|lunisolar calendar] used today predominantly for [|Jewish] religious observances. It determines the dates for [|Jewish holidays] and the appropriate [|public reading] of [|Torah portions], [|yahrzeits] (dates to commemorate the death of a relative), and daily [|Psalm] reading, <span style="font-family: 'Times New Roman','serif'; font-size: 21px;"> among many ceremonial uses. In <span style="color: #0d0d0d; font-family: 'times new roman','serif'; font-size: 21px; text-decoration: none;">[|Israel] <span style="font-family: 'Times New Roman','serif'; font-size: 21px;">, it is an official calendar for civil purposes and provides a time frame for agriculture. <span style="color: #0d0d0d; font-family: 'Times New Roman','serif'; font-size: 21px;">Japanese Calendar <span style="font-family: 'Times New Roman','serif'; font-size: 21px;">In January 1, 1873, Japan adopted the <span style="color: #0d0d0d; font-family: 'times new roman','serif'; font-size: 21px; text-decoration: none;">[|Gregorian calendar] <span style="font-family: 'Times New Roman','serif'; font-size: 21px;">. Before 1873, the Chinese style <span style="color: #0d0d0d; font-family: 'times new roman','serif'; font-size: 21px; text-decoration: none;">[|lunisolar calendar] <span style="font-family: 'Times New Roman','serif'; font-size: 21px;"> had been in use since 7th century. <span style="color: #0d0d0d; font-family: 'times new roman','serif'; font-size: 21px; text-decoration: none;">[|Japanese eras] <span style="font-family: 'Times New Roman','serif'; font-size: 21px;"> are still in use. Indian Calendar The Hindu calendar used in ancient times has undergone many changes in the process of regionalization, and today there are several regional Indian <span style="color: black; font-family: 'times new roman','serif'; font-size: 21px; text-decoration: none;">[|calendars] <span style="font-family: 'Times New Roman','serif'; font-size: 21px;">, as well as an <span style="color: black; font-family: 'times new roman','serif'; font-size: 21px; text-decoration: none;">[|Indian national calendar] <span style="font-family: 'Times New Roman','serif'; font-size: 21px;">. <span style="color: black; font-family: 'times new roman','serif'; font-size: 21px;"> [|Bengali calendar], [|Malayalam calendar] , [|Tamil calendar] <span style="font-family: 'times new roman','serif'; font-size: 21px;">etc. are some prominent regional Hindu calendars.

4) What is BC? Anno Domini (abbreviated as AD or A.D.) and Before Christ (abbreviated as BC or B.C.) are designations used to label or number years used with the <span style="color: black; font-family: 'times new roman','serif'; font-size: 21px;"> [|Julian] and [|Gregorian calendars] . <span style="font-family: 'Times New Roman','serif'; font-size: 21px;">5) What is BCE? Common Era (sometimes Current Era or Christian Era), abbreviated as **CE**, is an alternative designation for the <span style="color: black; font-family: 'times new roman','serif'; font-size: 21px; text-decoration: none;">[|calendar era] <span style="font-family: 'Times New Roman','serif'; font-size: 21px;"> originally introduced by <span style="color: black; font-family: 'times new roman','serif'; font-size: 21px; text-decoration: none;">[|Dionysius Exiguus] <span style="font-family: 'Times New Roman','serif'; font-size: 21px;"> in the 6th century, traditionally identified with <span style="color: black; font-family: 'times new roman','serif'; font-size: 21px; text-decoration: none;">[|Anno Domini] <span style="font-family: 'Times New Roman','serif'; font-size: 21px;"> (abbreviated AD). Both systems are numerically equivalent, thus "2011 CE" corresponds with "AD 2011".

6) What is AD? Anno Domini (abbreviated as AD or A.D.) and Before Christ (abbreviated as BC or B.C.) are designations used to label or number years used with the [|Julian] and [|Gregorian calendars].

<span style="font-family: 'Times New Roman','serif'; font-size: 21px;">7) What is CE? <span style="color: black; font-family: 'Times New Roman','serif'; font-size: 21px;">Common Era (sometimes Current Era or Christian Era), [|[1]] abbreviated as CE, is an alternative designation for the [|calendar era] originally introduced by [|Dionysius Exiguus] in the 6th century, traditionally identified with // [|Anno Domini] // (abbreviated AD). Both systems are numerically equivalent, thus "2011 CE" corresponds with "AD 2011".

<span style="font-family: 'Times New Roman','serif'; font-size: 21px;">8) What is MYA? <span style="color: black; font-family: 'Times New Roman','serif'; font-size: 21px;">A year (from [|Old English][|gear] ) is the [|orbital period] of the [|Earth] moving around the [|Sun] . For an observer on Earth, this corresponds to the period it takes the Sun to complete one course throughout the [|zodiac] along the ecliptic. In astronomy, the [|Julian year] is a [|unit of time], defined as 365.25 [|days] of 86400 [|SI seconds] each.

<span style="font-family: 'Times New Roman','serif'; font-size: 21px;">9) According to the timeline site how many periods of when are there and list time. 14000 MYA – Big bang formation of universe 4600 MYA – Formation of earth 543 MYA – 490 MYA – Cambrian : Explosion of life on earth 290 MYA – 248 MYA – Permian: Largest mass Extinction 245 MYA – 65 MYA – Mesozoic: Age of Dinosaurs 65 MYA – Cenozoic: Age of Mammals 5 MYA – Stone Age: The human era 70000 BC – 8000 BC: Ice age: Extinction of large mammals 9000 BC – 4500 BC: Neolithic: First Permanent Settlement 3200 BC – 1200 BC: Bronze Age: First Pharaohs 1200 BC – 332 BC: Iron Age: Start of the Trojan War 332 BC – 63 BC: Hellenistic Period 63 BC – 476 BC: Roman Period 330 – 1453: Byzantine Period 476 – 1350: Middle Ages 1350 – 1600: Reformation 1600 – 1800: Enlightment 1750 – 1900: Industrial Revolution 1900 – 2000: 20th century 2000 – 2099: 21st century 2012: Future

10) What is an eon, epoch, era, and age? <span style="color: black; font-family: 'Times New Roman','serif'; font-size: 21px;">The geologic time scale provides a system of [|chronologic][|measurement] relating [|stratigraphy] to time that is used by [|geologists], [|paleontologists] and other [|earth scientists] to describe the timing and relationships between events that have occurred during the [|history of the Earth] .Evidence from [|radiometric dating] indicates that the [|Earth is about 4.570 billion years old]. Eon - 4 total, half a billion years or more. Epoch - Tens of millions of years. Era - 12 total, several hundred million years. Age – Millions of years.

<span style="font-family: 'Times New Roman','serif'; font-size: 21px;">11) List three ancient calendars? Chinese calendar <span style="color: black; font-family: 'Times New Roman','serif'; font-size: 21px;">The Chinese calendar is a [|lunisolar][|calendar], incorporating elements of a [|lunar calendar] with those of a [|solar calendar] . It is not exclusive to [|China] , but followed by many other Asian cultures as well. Malayalam Calendar Malayalam calendar (also known as Malayalam Era or Kollavarsham or Kollam Era) is a [|solar] and [|sidereal][|Hindu calendar] used in [|Kerala] , [|India]. The origin of the calendar has been dated as 825 CE. Islamic Calendar The **Islamic calendar** or **Muslim calendar** or ** [|Hijri calendar] ** ( [|Arabic] : التقويم الهجري‎; at-taqwīm al-hijrī; [|Persian] : تقویم هجری قمری ‎ taqvim-e hejri-ye qamari; [|Turkish] : Hicri Takvim; [|Urdu] : اسلامی تقویم Islamic taqwīm; [|Indonesian] : Calendar Hijriah; [|Malay] : Takwim Hijrah) is a [|lunar calendar] consisting of 12 [|lunar months] in a year of 354 or 355 days. It is used to date events in many [|Muslim countries].

<span style="font-family: 'Times New Roman','serif'; font-size: 21px;">12) List two ancient clocks and how they worked. Water Clock - A water clock or clepsydra ( [|Greek] κλέπτειν kleptein, 'to steal'; ὕδωρ hudor, 'water') is any [|timepiece] in which time is measured by the regulated flow of liquid into (inflow type) or out from (outflow type) a vessel where the amount is then measured.

<span style="font-family: 'times new roman','serif'; font-size: 21px;">13) What was a revolution of timekeeping?14) What allows for standard more accurate clocks?15) What are time zones?16) What is the prime meridian? <span style="font-family: 'times new roman','serif'; font-size: 21px; text-align: justify;">The **Prime Meridian** is the [|meridian] (line of [|longitude]) at which the longitude is defined to be 0°. <span style="display: block; font-family: 'times new roman','serif'; font-size: 21px; text-align: justify;"><span style="font-family: 'times new roman','serif'; font-size: 21px;">17) If it’s 10:00 AM in Regina, what time is it in Toronto? London? Moscow? Tokyo? Hawaii? <span style="font-family: 'times new roman','serif'; font-size: 21px; text-align: justify;">Toronto: 12:00 pm <span style="font-family: 'times new roman','serif'; font-size: 21px; text-align: justify;">London: 8:00 pm <span style="font-family: 'times new roman','serif'; font-size: 21px; text-align: justify;">Moscow: 11:00 pm <span style="font-family: 'times new roman','serif'; font-size: 21px; text-align: justify;">Tokyo: 6:00 am <span style="font-family: 'times new roman','serif'; font-size: 21px; text-align: justify;">Hawaii: 11:00 am <span style="display: block; font-family: 'times new roman','serif'; font-size: 21px; text-align: justify;"><span style="font-family: 'Times New Roman','serif'; font-size: 21px;">18) What is Daylight Saving Time? Do we use this in Saskatchewan? <span style="display: block; font-family: 'times new roman','serif'; font-size: 21px; text-align: justify;"><span style="font-family: 'Times New Roman','serif'; font-size: 21px;">19) Is there a year zero?20) Are we starting a new decade in 2010 or 2011?21) What is linear time?22) What is cyclical time? <span style="display: block; font-family: 'times new roman','serif'; font-size: 21px; text-align: justify;"> <span style="display: block; font-family: 'times new roman','serif'; font-size: 21px; text-align: justify;"> <span style="display: block; font-family: 'times new roman','serif'; font-size: 21px; text-align: justify;"> <span style="display: block; font-family: 'times new roman','serif'; font-size: 21px; text-align: justify;"> <span style="display: block; font-family: 'times new roman','serif'; font-size: 21px; text-align: justify;"> <span style="display: block; font-family: 'times new roman','serif'; font-size: 21px; text-align: justify;"> <span style="display: block; font-family: 'times new roman','serif'; font-size: 21px; text-align: justify;">