Table of Contents
How fast is attosecond speed?
An attosecond is 1×10−18 of a second (one quintillionth of a second). For comparison, an attosecond is to a second what a second is to about 31.71 billion years. The word “attosecond” is formed by the prefix atto and the unit second. Atto- was derived from the Danish word for eighteen (atten).
Is an attosecond faster than the speed of light?
An attosecond is 1×10^18 times faster than a normal second. There are 1×10^18 (1 quintillion) attoseconds in 1 second. Take this into account: the speed of light is 9.84×10^8 ft/s. Light travels 963.6 million feet in just 1 second.
What is quicker than a attosecond?
100 attoseconds: shortest measured period of time. Femtosecond is one quadrillionth of a second. Picosecond is one trillionth of a second. Nanosecond is one billionth of a second.
What is the quickest second?
zeptosecond
What is a zeptosecond? A zeptosecond is a trillionth of a billionth of a second. That’s a decimal point followed by 20 zeroes and a 1, and it looks like this: 0.000 000 000 000 000 000 001. The only unit of time shorter than a zeptosecond is a yoctosecond, and Planck time.
What’s smaller than an attosecond?
Less than one second
| Multiple of a second | Unit | Definition |
|---|---|---|
| 10−18 | 1 attosecond | One quintillionth of one second |
| 10−15 | 1 femtosecond | One quadrillionth of one second |
| 10−12 | 1 picosecond | One trillionth of one second |
| 10−9 | 1 nanosecond | One billionth of one second |
How long is a microsecond?
one millionth
A microsecond is an SI unit of time equal to one millionth (0.000001 or 10−6 or 1⁄1,000,000) of a second. Its symbol is μs, sometimes simplified to us when Unicode is not available. A microsecond is equal to 1000 nanoseconds or 1⁄1,000 of a millisecond.
How fast is a nanosecond?
one billionth
A nanosecond (ns) is an SI unit of time equal to one billionth of a second, that is, 1⁄1 000 000 000 of a second, or 10−9 seconds. The term combines the prefix nano- with the basic unit for one-sixtieth of a minute. A nanosecond is equal to 1000 picoseconds or 1⁄1000 microsecond.
What is the biggest unit of time?
supereon
The largest unit is the supereon, composed of eons. Eons are divided into eras, which are in turn divided into periods, epochs and ages.