# Tag: Falling from Orbit

##### How Do We Get to Mars?

This is the kind of question, “How do we get to Mars?” that normally would

##### Why is the Moon not being pulled into the Earth from gravitational forces? Is the Moons mass stopping gravity from pulling it any further?

The Moon is being pulled toward the Earth, but it’s forward momentum causes it to

##### Build a Vehicle that could park in your garage but fly into orbit?

This would be so cool. Everyone would want one, even if they couldn’t afford it.

##### When in orbit, astronauts experience weightlessness. What is this caused by?

Astronauts are not weightless. They experience microgravity. As close to the earth that they are,

##### If you fire a gun vertically from the earth's surface, but there is no friction, would it return to earth?

Yes it would return to Earth. The escape velocity for Earth is more than 11

##### YouTube Solution to Newton’s Cannon

Solution to Newton’s Cannon problem I proposed earlier, explained in this nice YouTube video.

##### The Little Rocket that Was

Let’s revisit Sir Isaac Newton’s cannon. In the above mentioned article we had placed a

##### Solution to Joe Drops the Ball

In two previous blog posts about Newton’s Cannon and Joe Drops the Ball I posed