What Does The Far Side Of The Moon Look Like?

Have we taken any sort of video, or still pictures of the dark side of the moon?
An oblique view of the Crater Daedalus on the lunar farside as seen from the Apollo 11 spacecraft in lunar orbit. Daedalus (formerly referred to as Crater No. 308) is has a diameter of about 50 miles. This is a typical scene showing the rugged terrain on the farside of the moon. Image credit: NASA

An oblique view of the Crater Daedalus on the lunar farside as seen from the Apollo 11 spacecraft in lunar orbit. Daedalus (formerly referred to as Crater No. 308) is has a diameter of about 50 miles. This is a typical scene showing the rugged terrain on the farside of the moon. Image credit: NASA

We absolutely have, and they are super fun! A first point of clarification, though - there’s no “dark side” of the Moon.

There’s a far side which is never visible from our perspective on the Earth, but with the exception of during a full moon, the far side of the moon is...

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Why Don't Space Suits Go Rigid When Astronauts Go On Spacewalks?

Why don’t space suits inflate like a Michelin Man when on the Moon or outside the Space Station?
In this photo, Astronaut David A. Wolf, STS-112 mission specialist, anchored to a foot restraint on the Space Station Remote Manipulator System (SSRMS) or Canadarm2, carries the Starboard One (S1) outboard nadir external camera. Image credit: NASA

In this photo, Astronaut David A. Wolf, STS-112 mission specialist, anchored to a foot restraint on the Space Station Remote Manipulator System (SSRMS) or Canadarm2, carries the Starboard One (S1) outboard nadir external camera. Image credit: NASA

They very easily could! If you had a poorly designed space suit or an overly pressurized suit, an astronaut could very easily find themselves immobilized, unable to contort their suit into a useful position. With the inside of a suit set to normal sea level pressure...

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How Do We Map The Earth’s Gravity?

Can Earth’s center of gravity be located? And if so, to what precision?
Satellite measurements offer scientists a new view of our planet. Warm colors (red, orange, yellow) represent areas with strong gravity. Cool colors (green, blue) represent areas with weak gravity. Image credit: NASA's Goddard Space Flight Center

Satellite measurements offer scientists a new view of our planet. Warm colors (red, orange, yellow) represent areas with strong gravity. Cool colors (green, blue) represent areas with weak gravity. Image credit: NASA's Goddard Space Flight Center

Earth’s center of gravity can be located! We talked a few months ago about measuring the force of gravity surrounding the Moon, and that the way we do this measurement is by having twin satellites, and calculating the difference in gravitational pull...

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Is There Water On The Moon?

A NASA spacecraft explores the moon's permanent shadows. Image credit: NASA's Goddard Space Flight Center

A NASA spacecraft explores the moon's permanent shadows. Image credit: NASA's Goddard Space Flight Center

There is! Water’s existence on the Moon is not an easy thing to arrange, because water evaporates very easily. On our relatively balmy Earth, our evaporating water is mostly caught and suspended in the atmosphere, which in turn is protected...

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Could We Protect Mars-Bound Astronauts With A Magnetic Bubble?

Could a synthetic magnetic bubble, like a mini-magnetosphere, protect a crewed mission to Mars from cosmic radiation, and would the energy cost be prohibitively high?
A NASA mission reveals how gases in Mars' upper atmosphere are stripped away by the sun's solar wind. Image credit: NASA's Scientific Visualization Studio and the MAVEN Science Team

A NASA mission reveals how gases in Mars' upper atmosphere are stripped away by the sun's solar wind. Image credit: NASA's Scientific Visualization Studio and the MAVEN Science Team

As much as some folks are keen on sending people to Mars as soon as possible, it’s become obvious that protecting any astronauts from an unsafe level of radiation...

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