How fast is 0.66666666667779 times the speed of light?
It's about two-thirds as fast as The Speed of Light
The speed of The Speed of Light is about 1 times the speed of light.
(C) (in a vacuum)
The speed of light (and all other electromagnetic radiation) in a perfect vacuum is known as "c" and measures 299,792,458 m/s, per the formal definition of the meter. While visible light travels close to this speed in air, it slows to 0.666666666677790 times the speed of light when passing through the glass of a typical window.
It's about 2,000 times as fast as a bolt of Lightning
The speed of a bolt of Lightning is about 0.00033 times the speed of light.
(atmospheric electrical discharge)
A bolt of lightning can travel at up to 0.00032 times the speed of light when arcing from the atmosphere to the Earth. An estimated 280 million lightning strikes strikes occur each year.
It's about 5,000 times as fast as a Meteor
The speed of a Meteor is about 0.00014 times the speed of light.
(formally Meteoroid or meteorite, depending on the context; a.k.a. "shooting star", a.k.a. "falling star")
Small meteoroids enter the Earth's atmosphere at speeds between 0.0000370 times the speed of light and 0.00024 times the speed of light, depending on their size. The fireball effect, known as ablation, ceases once the atmosphere has slowed the meteoroid to a velocity of about 0.00000930 times the speed of light.
It's about 25,000 times as fast as The Space Shuttle
The speed of The Space Shuttle is about 0.000025830 times the speed of light.
(Orbiter vehicle velocity)
The space shuttle orbits at a speed of 0.000025830 times the speed of light. During liftoff, the space shuttle accelerates to orbital speed in 8.5 minutes, consuming over 1.59 million kg (3.51 million lbs) of propellant in the process.
It's about 200,000 times as fast as a Bullet (Rifle)
The speed of a Bullet (Rifle) is about 0.000003050 times the speed of light.
(5.56 x 45 mm, a.k.a. 5.56 NATO)
A 5.56 x 45 mm cartridge is fired at a velocity of 0.000003050 times the speed of light. As the NATO rifle cartridge, it is used by the military forces of more than thirty-one countries, including use in the M16 series, M4 Carbine, HK-416, and M249 Squad automatic weapons used by the United States armed forces.
It's about 300,000 times as fast as a Jet Fighter
The speed of a Jet Fighter is about 0.00000220 times the speed of light.
(for Lockheed Martin F-16, a.k.a. Fighting Falcon, a.k.a. Viper) (maximum speed at altitude)
An F-16's maximum speed at altitude is approximately 0.00000220 times the speed of light. The F-16 has a flight ceiling of approximately 15 km (9.32 mi).
It's about 500,000 times as fast as a Bullet (Handgun)
The speed of a Bullet (Handgun) is about 0.000001280 times the speed of light.
(for .40 Smith & Wesson 135 grain Sierra JHP, VV 3N37 powder, Fed. 100 primer, Remington case) (muzzle velocity)
A 0.40 caliber Smith & Wesson bullet has a muzzle a velocity of 0.000001280 times the speed of light. This type of ammunition has been the standard issue round of the United States Federal Bureau of Investigation (FBI) since 1990.
It's about 600,000 times as fast as The Speed of Sound
The speed of The Speed of Sound is about 0.000001140 times the speed of light.
(in dry air at 20°C)
The speed of sound in dry air at 20°C (68°F) is 0.000001140 times the speed of light. Air is a relatively poor acoustic conductor, however, as sound will travel at speeds of between 0.000004990 times the speed of light to 0.00000520 times the speed of light in water, depending on its salinity.
It's about 2,000,000 times as fast as a Peregrine Falcon
The speed of a Peregrine Falcon is about 0.000000360 times the speed of light.
(a.k.a. Peregrine, a.k.a. Duck Hawk, Falco peregrinus)
The Peregrine Falcon can reach speeds of up to 0.000000360 times the speed of light when diving. Falcons are sometimes sent to scare smaller birds away from airports to improve air traffic safety and were used in World War II to intercept carrier pigeons used by enemy forces.
It's about 2,000,000 times as fast as The CRH (train)
The speed of The CRH (train) is about 0.000000320 times the speed of light.
(a.k.a. Hexie Hao, 和谐号, a.k.a. 和諧號, a.k.a. Héxié Hào, a.k.a. "Harmony")
The CRH-3 train which runs on China's Beijing-Tianjin Intercity Railway are capable of speeds up to 0.000000320 times the speed of light. Theses train can make the 120 km (74 mi) journey from Beijing to Tianjin in about 30 minutes.
It's about 2,000,000 times as fast as a Porsche 911
The speed of a Porsche 911 is about 0.0000003050 times the speed of light.
(for Porsche 911 Type 997 GT2, 2007 model)
The Porsche 911 GT2 has a top speed of 0.0000003050 times the speed of light. It takes just 7.4 seconds for the GT2 to accelerate to 0.0000001490 times the speed of light.
It's about 2,000,000 times as fast as a Lamborghini Gallardo
The speed of a Lamborghini Gallardo is about 0.000000300 times the speed of light.
(for Gallardo LP 550-2, a.k.a. Valentino Balboni, 2009 model)
The Lamborghini Gallardo LP550-2 model Gallardo has a top speed of 0.000000300 times the speed of light. The Gallardo can reach speeds of 0.0000000930 times the speed of light in just 3.9 seconds.
It's about 2,000,000 times as fast as The TGV (train)
The speed of The TGV (train) is about 0.000000300 times the speed of light.
(Train à Grande Vitesse) (for SNCF TGV Réseau, a.k.a. "Network" model, a.k.a. TGV-R) (maximum speed)
The TGV Réseau sets have a top speed of 0.000000300 times the speed of light. The train is capable of travelling the 425 km (264 mi) distance from Paris to Lyon in East-Central France in about two hours.
It's about 2,000,000 times as fast as an Arrow (archery)
The speed of an Arrow (archery) is about 0.00000029910 times the speed of light.
A 250 gram arrow will reach speeds of approximately 0.00000029910 times the speed of light when fired from a 60-lb, 28-inch draw bow . Archeological evidence from the Ahrensburg valley near Hamburg, Germany indicates that arrows have been used since at least 11 to 12,000 years ago.
It's about 2,500,000 times as fast as a Helicopter
The speed of a Helicopter is about 0.0000002630 times the speed of light.
(for AH-64A Apache, a.k.a. Hughes Model 77) (maximum cruise speed)
The AH-64 helicopter, one of the primary helicopters used by the United States Army, flies at a top cruise speed of 0.0000002630 times the speed of light. The AH-64 is the primary military helicopter of several nations including the United States, the United Kingdom, Israel, Japan, and the Netherlands.