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Try burning RAD- ("downwards") to lower your periapsis into the atmosphere, although with how close you are to periapsis, I'm not sure how well it will work. You can try to skip that encounter and get another one, but once you do get one, make sure you lower your periapsis well before you enter Duna's SOI. Just mess around with the maneuver nodes until your Duna periapsis is around 11 km, and then you can make some small corrections once you enter Duna's SOI.

In the game, planets with oceans (Kerbin, Laythe, Eve) are really two planets overlapping, the ground and the ocean. This causes a lot of lag when looking at the surface, and you will notice that planets without oceans have little to no lag, so by lowering the detail of one of them, you should get less lag.

Go into the settings file and look for this: PRESET { name = Low [depending on your terrain settings, this can also be Default or High] PLANET { name = Kerbin minDistance = 4 minSubdivision = 1 maxSubdivision = 6 } PLANET { name = KerbinOcean minDistance = 4 minSubdivision = 1 maxSubdivision = 6 You want to change the maxSubdivision of the KerbinOcean down to 1. This should lower the lag when on Kerbin.

Nice flag.

What kind of stock parts are those?! What crazy mods have you used, because Kearth doesn't look anything like that, and how the heck did you change how the sun looks?!

You normally want to get into a polar orbit for mapping. You have to stay focused on the satellite for it to map, sadly, which means you will probably spend a quite a while if you want a complete map.

Try angling the ladders so it is more curved. You can also use the extendable ladders and angle them so when your Kerbal lets go, he will fall on top of the fuel tank.

Isp stands for specific impulse. If you have two (or any amount) engines with the same Isp, the total Isp is the same, so the two 450 Isp are better. Thrust behaves the way you would expect, so you just add up the thrust of each engine for the total thrust. In the game, the units of mass are measured in tons (metric tons).

The game uses the acceleration of the last time you burned, so if you loaded a quicksave or used different engines, the burn time will be inaccurate. To calculate acceleration, all you need to do is take your thrust and divide it by your mass to get your acceleration. The mass can be found in map view when you press the "i" button on the right.

When 0.21 came out, I immediately put them in a box by the launch pad. Once I built a space station, they were transferred there and they will stay there until I finish my Ike base.

That's because it calculates delta-v using the vacuum Isp in the VAB, but uses the current atmospheric Isp on the launch pad. It is only one way, but returning to Kerbin should take much less because you can aerobrake. It is also harder than the Joolian moons to get to because with Jool, you can aerobrake so your apoapsis crosses your target moon's orbit. You don't need to use engines to get into a low circular orbit around Jool and then burn back out to get an encounter.

The most difficult planet to get to is Moho, which takes about 5000 m/s of delta-v to get to, so around 5500 m/s is what you should aim for.

Right click on one tank and alt+right click on the other, and press "In" on the tank you want to fill up or press "Out" on the one you want empty.

According to Steam, 274 hours, but I've been around well before the Steam version came, so I'm guessing about 500 hours or more.

For your first problem, you probably were in a retrograde orbit around Jool, so you're relative velocity would be massive. It would take a lot of delta-v to correct this once you are already in Jool orbit, so you need to correct well before you enter Jool's SOI so your orbit will be prograde. If you want to save on fuel once you encounter Layhte, you should aerobrake (using Laythe's atmosphere to slow you down), which would still work if you encounter it from a retrograde orbit. For your second problem, you need to burn north/south well before you enter Eve's SOI so you will be in a roughly equatorial orbit. You can aerobrake on Eve, too, so you can save fuel there. The best way to change inclinations would be to do the burn at a high altitude, so when you cross the equator, burn prograde to boost out your apoapsis, and burn normal/antinormal to adjust the inclination, and use Eve's atmosphere to bring your apoapsis back down.

Duna doesn't have much inclination compared to Eve, which means even at its "highest" and "lowest" points, you can still get the encounter. It is still very possible to aerobrake at Duna. At most, you only need to go down to 10 km, and there aren't many points that get up to that height. Also, once you land, Duna is quite easy to return from, but Eve on the other hand...

Maybe the Soyuz? Also, SpaceX is making an engine that burns liquid methane and oxygen as an upper stage engine.

I have noticed something completely different from what seems to be everyone else. In 0.20, a screenshot like this would just kill my frame rate, but in 0.21, I could look at the horizon without much lag at all.

You can hit Alt+F12, click Hack Gravity, use the packs to get the Kerbals back into the craft, and then Unhack Gravity, but that may be "cheaty".

Does the shuttle have a probe core on it? If so, did it run out of electricity? Without Kerbals in the cockpit to pilot the shuttle, you need a probe core to actually control the craft.

In an attempt to make up for the lack of debris in orbit, the Kessler Project was started, which would put hundreds of small pieces of debris in several different low orbits around Kerbin. The first launch put up 580 pieces of debris. The Kessler: The debris cloud:

I am probably the only person that doesn't like to use the Skipper because it has a lower TWR and Isp than the LV-T30. All of the lifters I made in 0.21 use engine clusters for boosters and the first stage, and the upper stage uses the Poodle. The Skipper doesn't have the TWR to be useful on the first stage and too much to be used on the upper stage.

Landed a Kethane Miner on the surface of Ike! The terrain in the area was quite steep, but I managed to find a somewhat flat area on the mountain.

I think the current tune that plays in the main screen once was the credits song back in 0.13.