# Can you really bounce a laser off the moon?

## Can you really bounce a laser off the moon?

One of the experiments taken into space on Apollo 11 was called the Lunar Laser Retro-Reflector, and it still works even today (though perhaps not as well as it did), just like it did in a 2010 episode of “The Big Bang Theory.

## How long does it take to bounce a laser off the moon?

By measuring how long it takes laser light to bounce back — about 2.5 seconds on average — researchers can calculate the distance between Earth laser stations and Moon reflectors down to less than a few millimeters. This is about the thickness of an orange peel.

## Can you bounce off the moon?

Although you can jump very high on the moon, you’ll be happy to know that there’s no need to worry about jumping all the way off into space. In fact, you’d need to be going very fast – more than 2 kilometres per second – to escape from the moon’s surface.

## Why did NASA put reflectors on the moon?

Shortly thereafter, Princeton University graduate student James Faller proposed placing optical reflectors on the Moon to improve the accuracy of the measurements. This was achieved following the installation of a retroreflector array on July 21, 1969 by the crew of Apollo 11.

## Why does the moon look like it’s bouncing?

The moon is shrinking, and the process has become, literally, unsettling. According to a new study, the moon has gradually been getting smaller. And as it shrinks, cracks form on the lunar surface that then form fault lines and generate moonquakes.

## How high can a person jump on the moon?

Earth is 81 times as massive as the moon. In other words, you’d need to crush 81 moons together to equal the mass of our planet. Being much less massive, its attractive power is far less. On the moon you can jump 9 feet (2.7 meters) in the air from a standing position compared to just 1.5 feet (0.5 m) on Earth.

## What is China doing on the Moon?

Crewed mission phase As of 2019, China was reviewing preliminary studies for a crewed lunar landing mission in the 2030s, and possibly building an outpost near the lunar south pole with international cooperation.

## Who was the first human being to set foot on the moon?

astronaut Neil Armstrong
At 10:56 p.m. EDT, American astronaut Neil Armstrong, 240,000 miles from Earth, speaks these words to more than a billion people listening at home: “That’s one small step for a man, one giant leap for mankind.” Stepping off the lunar landing module Eagle, Armstrong became the first human to walk on the surface of the …

## Is Moon shaking?

While the study highlights the dire situation facing coastal cities, the lunar wobble is actually a natural occurrence, first reported in 1728. The moon’s orbit is responsible for periods of both higher and lower tides about every 18.6 years, and they aren’t dangerous in their own right.