How long does it take for light to travel from Earth to Mars?

How long does it take for light to travel from Earth to Mars?

All communication between Mars and Earth goes through satellites. Because of the distance, there is a substantial delay. As communication signals travel at the speed of light, this means that it can take between 3 and 22 minutes for the information to reach the other end, so a phone call would not be practical.

What kind of fuel do NASCAR engines run on?

NASCAR engines burn 110-octane leaded gasoline. Indy cars burn pure methanol (a.k.a. wood alcohol, CH3OH). Top Fuel dragsters and funny cars burn nitromethane (CH3NO2).

Which is the strongest muscle in the human body?

If by strongest you mean “ability to exert a force on an external object”, then a human’s strongest muscle is his or her ‘masseter’ muscle. The masseter muscle is a thick muscle in the cheek and is located at the back of the jaw.

How do you get finger prints?

A person’s fingerprints are formed when they are a tiny developing baby in their mother’s womb. Pressure on the fingers from the baby touching, and their surroundings create what are called “friction ridges”, the faint lines you see on your fingers and toes.

What conditions are needed for a grasshopper to hop?

A grasshopper needs a minimum temperature of 62 * F in order to be able to hop.

What causes a rainbow to appear?

A rainbow is an optical and meteorological phenomenon that is caused by both reflection and refraction of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured arc. Rainbows caused by sunlight always appear in the section of sky directly opposite the sun.

Why do they call it a tank top?

A tank top consists of a sleeveless shirt with low neck and different shoulder straps width. It is named after tank suits, one-piece bathing costumes of the 1920s worn in tanks or swimming pools. The upper garment is worn commonly by both men and women.

How long did it take Michelangelo to sculpt ‘David’?

At the age of 26, Michelangelo began sculpting his monumental statue of David. He finished it seventeen months later, in January, 1504.