Will a spaceship need more or less energy to take off from the moon than the earth?

Jaron Becker asked a question: Will a spaceship need more or less energy to take off from the moon than the earth?
Asked By: Jaron Becker
Date created: Sat, Jun 12, 2021 3:08 PM

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Those who are looking for an answer to the question «Will a spaceship need more or less energy to take off from the moon than the earth?» often ask the following questions:

❔ Does the spaceship need more energy or less to take off from the moon than from the earth?

The Moon’s surface gravity is about 1/6th as powerful or about 1.6 meters per second per second. The Moon’s surface gravity is weaker because it is far less massive than Earth. You will notice that the objects fall slowly, because their acceleration toward the surface is only 1/6th what it would be on Earth.

❔ Why does it take less fuel to launch a space shuttle from moon than from earth?

Liquid Hydrogen--the Fuel of Choice for Space Exploration. Despite criticism and early technical failures, the taming of liquid hydrogen proved to be one of NASA's most significant technical accomplishments. . . . Hydrogen -- a light and extremely powerful rocket propellant -- has the lowest molecular weight of any known substance and burns ...

❔ How long spaceship to moon from earth?

How long does it take to get to the moon from earth – Unmanned Missions: The slowest mission to reach to the Moon was ironically amongst the most advanced technologies to be sent into the space. The ESA’s SMART-1 lunar probe was successfully launched on September 27 th 2003 and harnessed a revolutionary ion engine to propel it to the Moon.

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Seriously, you would need some kind of ablation disk, then you need a large mass, and therefore more energy to drive it. The bigger the spaceship, the more the mass and energy required.

Why is more fuel required for a spacecraft to travel from the Earth to the Moon than to return from the Moon to the Earth? It isn’t. It is other way around. It takes much more fuel(energy) to reach the Moon than to get from the Moon back to Earth.

The new design will use positrons, which make gamma rays with about 400 times less energy. The NIAC research is a preliminary study to see if the idea is feasible. If it looks promising, and funds are available to successfully develop the technology, a positron-powered spaceship would have a couple advantages over the existing plans for a human mission to Mars, called the Mars Reference Mission .

F(s-m) = G M(s) M(m)/(distance between moon and spaceship)^2. Assuming that we are comparing the force on the spaceship due to moon and due to earth at the same height climbed by spaceship in both cases, the force on spaceship DUE TO MOON will be lesser force on spaceship DUE TO EARTH, because M(m) < M(e).

Satellites in geostationary orbit don't need to do that (but they may have small engines to keep themselves above the same bit of the earth). The moon is also in orbit around the earth, and doesn't need to fire its engines at all.

Lighter spaceships can have smaller, more efficient engines and less fuel. This, in turn, saves more weight, thus creating a beneficial spiral of weight savings and cost reduction. Right : This fully-loaded Saturn V moon rocket weighed 6.2 million pounds.

As you head away from the sun, the solar radiation naturally decreases from 1,374 Watts/m² around Earth, to 50 Watts/m² near Jupiter, while Pluto manages a meager 1 Watt/m². So, when spacecraft ...

If you start at less than 11 ... If you're going at escape velocity you don't need any more energy to escape from the Earth, ... Or say if you're going to the moon, why provide more energy than ...

This is very unusual because as we all know the heaviest stuff sinks and the lightest stuff stays on top. We have found titanium on the moon. Much more so than on Earth. We have found Neptunium-237, which has a half-life of under 2.5 million years. And there’s none left on Earth because the Earth is 4.5 billion years old, approximately.

Why is it better to launch a spaceship from near the equator? When a spacecraft is launched into orbit, it should end up spinning around the Earth quickly enough not to be pulled back in by the Earth's gravity. The huge rockets used in launching a spaceship help this to happen by giving a huge amount of thrust, enough to achieve escape velocity.

it would need more energy to get of the earth

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