Time

According to the standard theory, our universe sprang into existence around 13.7 billion years ago.
 * 1) About how long ago did the big bang take place?**

Black holes are areas of intense gravitational pressure.
 * 2) What is a black hole?**

It continues to expand and cool to this day while we are inside of it.
 * 3) Does the universe continue to expand?**

There are many misconceptions surrounding the Big Bang theory. For example, we tend to imagine a giant explosion.
 * 4) Was there really a big bang?**

Hydrogen and Helium.
 * 5) What light elements seem to support the Big Bang Theory?**

__**Time Keeps on Slippin'**__ 1) What is the current calendar most of the world uses / accepts? Explain who made it and why this is accepted. The Gregorian Calendar. It was accepted beacuse the Julian Calendar was wrong.

2) What is a leap year? A leap year is a year containing one extra day in order to keep the calendar year synchronized with the astronomical or seasonal year. Leap year comes once ever 4 years.

3) List three other types of calendars used and how they set up their calendar (ex. Lunar). Lunar was based on the natural cycles of the Moon. Solar was bassed on the cycle of the seasons. And the earliest Egyptian calendar was based on the moon's cycles

4) What is BC? Before the Christian era. Using the dates before Christ was born.

5) What is BCE? The period before the Common Era, it is preferred by some writers who are not Christians.

6) What is AD? In the Christian era, used before dates after the supposed year Christ was born.

7) What is CE? The period coinciding with the Christian era, it is preferred by some writers who are not Christians.

8) What is MYA? Millions of Years Ago.

9) According to the timeline site how many periods of when are there and list time. There are 21 periods. 14000 MYA, 4600 MYA, 543 MYA – 490 MYA, 290 MYA – 248 MYA-, 245 MYA – 65 MYA, 5 MYA – 2500 BC, 70000 BC – 8000 BC, 9000 BC – 4500 BC, 3200 BC – 1200 BC,1200 BC – 332 BC, 332 BC – 63 BC, 63 BC – 476, 330 – 1453, 476 – 1350, 1350 – 1600.

10) What is an eon, epoch, era, and age? An eon is the longest division of geological time.An epoch is a period marked by distinctive character or reckoned from a fixed point or event.An era is a long period of time.And an age is how long something has existed.

11) List three ancient calendars Hindu, Eastern Christian, and Julian calendars.

12) List two ancient clocks and how they worked. Sun clock (Sundial) it moves with the position of the sun to tell time. Water clocks were origionally made with two containers of water, and one would be higher than the other. The water would travel from the higher container to the lower container through a tube. Both containers had markings on them to tell time.

13) What was a revolution of timekeeping? The advance of clocks timeskeeping in the 1500-1900.

14) What allows for standard more accurate clocks? There is no evidence or record proceeding these public clocks which were wight-driven and regulated by a verge- and foliot escapement.

15) What are time zones? A time zone is a region on Earth, more or less bounded by lines of longitude, that has a uniform, legally mandated standard time, usually referred to as local time.

16) What is the prime meridian? At which the longitude is defined to be 0 degrees.

17) If it’s 10:00 AM in Regina, what time is it in Toronto? London? Moscow? Tokyo? Hawaii? Toronto- 12:00 PM London- 5:00 PM Moscow- 8:00 PM Tokyo- 1:00 AM Hawaii- 6:00 AM

Thaank yooou, world clock. <3

18) What is Daylight Saving Time? Do we use this in Saskatchewan? It’s the practice of temporarily advancing clocks so that afternoons have more daylight and mornings have less. And no we do not use it in Saskatchewan.

19) Is there a year zero? No, if you diagramed the beginning of our calendar, the first day would be Jan. 1, 1AD.

20) Are we starting a new decade in 2010 or 2011? //Cannot find answer, brb.// //I FOUND IT!// We're starting a new decade in 2011. Thanks Amanda! :D

21) What is linear time? Linear time is the time complexity of an algorithm quantifies the amount of time taken by an algorithm to run as a function of the size of the input to the problem.

22) What is cyclical time? Years are named and there are 60 names. Once the sixty names are finished, the next year begins.

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