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.

How many colors are in the spectrum of visible light?

Newton divided the spectrum into seven named colors: red, orange, yellow, green, blue, indigo, and violet.

What year was the current American flag adopted?

On June 14, 1777, in order to establish an official flag of the new nation, the Continental Congress passed the first Flag Act: “Resolved, that the flag of the thirteen United States be thirteen stripes alternate red and white; that the union be thirteen stars, white in a blue field, representing a new constellation.”

What color is between red and blue?

In between these colours may be seen secondary colours that are, perceptually, each a mixture of two of the primaries. Thus, you will see yellow between red and green, and cyan blue between green and blue-violet. The third secondary colour of light is magenta.

Is sake made from rice?

It can be a protracted process but, explained simply, sake is made when rice is ground, washed and steamed. Then some of the steamed rice will be used to make koji, the yeast derived from rice. After that the koji and the remaining steamed rice and water are mixed and then allowed to ferment.

What kind of alcohol is safe to drink?

Ethanol is the only alcohol that is safe to drink till today. To the layman, the term: ‘alcohol’ is widely used rather than the chemist term ethyl alcohol or ethanol.

What percentage of your bones are in your feet?

The human foot has 26 bones, 33 joints, 107 ligaments, 19 muscles and tendons. The 52 bones in your feet make up about 25 percent of all the bones in your body.

Who illustrated Harry Potter and the Sorcerer’s Stone?

This special edition of Harry Potter and the Sorcerer’s Stone has a gorgeous new cover illustration by Kazu Kibuishi. Inside is the full text of the original novel, with decorations by Mary GrandPre. Harry Potter has never been the star of a Quidditch team, scoring points while riding a broom far above the ground.