How far is Mars from the Sun?

How far is Mars from the Sun?

At its farthest distance (aphelion), Mars is 154 million miles (249 million km) from the sun. At its closest (perihelion), Mars is 128 million miles (206 million km) distant. On average, the distance to Mars from the sun is 141 million miles (228 million km).

Can an astronaut cry in space?

He confirmed that astronauts can indeed cry in space. Tears run down your face because of gravity, but they don’t need gravity to form. When the tears get big enough they simply break free of the eye and float around.

When were license plates invented?

In 1901, New York became the first state to register automobiles; by 1918 all states required license plates. States were slower to require licenses for drivers. Only 39 states issued them by 1935 and few required a test, despite widespread concern about incompetent drivers.

What makes the sky blue?

A clear cloudless day-time sky is blue because molecules in the air scatter blue light from the sun more than they scatter red light. When we look towards the sun at sunset, we see red and orange colours because the blue light has been scattered out and away from the line of sight.

Why do some people like to chew ice?

The desire to chew on ice may occur for reasons other than a mineral deficiency. Some people may develop pica related to a mental health or emotional problem, such as obsessive-compulsive disorder or stress. Other times, pica occurs because of pregnancy and in people with developmental disabilities.

How long would it take to read all the information on the internet?

It would take 57,000 years according to these info-graphs which probably don’t include Twitter, Facebook status updates and private blogs. I mean, those would keep you occupied until the end of time. Or maybe the end of time comes in 57,000 years.

What igneous rock can float on water?

Pumice is composed of highly microvesicular glass pyroclastic with very thin, translucent bubble walls of extrusive igneous rock.

Why is Santa Claus called Santa Claus?

The American version of St. Nicholas, or Santa Claus originally came from the Dutch version called Sint Nikolaas or Sinterklaas. The Dutch settlers in New Amsterdam (New York) brought this fun and lively tradition (some even say cult) to America. Eight flying reindeer, later joined by Rudolph the red nosed reindeer.