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Cassini's orbital insertion burn Someone could consider it for use in Orbiter Sound. Recorded on Cassini's RPWS instrument.

JPL: Orbital Ephemerides of the Sun, Moon, and Planets (DE405/LE405) (2003) ftp://ssd.jpl.nasa.gov/pub/eph/planets/ioms/ExplSupplChap8.pdf JPL: The Planetary and Lunar Ephemerides DE430 and DE431 (2014) https://ipnpr.jpl.nasa.gov/progress_report/42-196/196C.pdf Models for Propagation of NORAD...

There is much more surface so it is possible that there is much more fossil fuels - coal, oil etc. So it is possible to be ideal world for hard sci-fi steampunk civilization.

Hello OF. I'm a bot. I have come to fill up all your old favorite servers in games you have forgotten long time ago...

Isn't it interesting how everyone intuitively started to call this comet ISON? Could someone predict that? (I personally hate to name it ISON. It's C/2012 S1! :) I don't like when words or abbreviations for something get more meanings when they don't have to.) Too bad I am in Czech Republic...

It could be that Big Bang. It can no longer gain energy because connection between white hole and black hole collapses immediately. And here's the trick. I think too, that there is no observation of loosing mass faster. So I am against the "Black Bang" idea too. But you still need a some kind...

Why not? If the matter in black hole will spread out to new space (our universe), than the universe is that matter and white hole could immediately collapse because the "source black hole" on the other side will lose it's matter. But I have another question. How can a black hole make a "hole"...

Orwell's 1984.

Oh, I would forget to post here my MC project I made with friend: Nuclear Power Plant Minecraft - simulation without mods (Only mod was changed bedrock texture from black to white - whole building is from bedrock.) This summer I will try to make a video about this project on YouTube on my...

But I think I understand DGMP's question now... I would reformulate it - you ask: "Is there any part of physics that can be done only with complex numbers, without any possible replacement (even if it would take to make calculations harder)?" Well... I'm not really sure. There are many fields...

But vectors are working with coordinates separately unlike complex numbers that have inbuilt them right into their algebra. Complex numbers are not only in plane - if you want space, use quaternions (Wiki: "number system that extends the complex numbers. They were first described [...] and...

And don't forget that summing physical vectors in space is in fact the same thing as summing complex numbers. When you pick the first two vectors to sum, the plane when they are in is actually a gaussian plane with two complex numbers on it.

The Old Man and the Sea by Hemingway.

Do you think is it possible to damage a satellite in orbit with good enough aiming system? What about high-energy maser? Why there are so many lasers but not so much masers? Is it too difficult to make such an energetic microwave beam?

I use Stellarium, Celestia, Orbiter, Space Engine and Pioneer but this looks interesting too. It has some special features not included in other software.

Miloš Zeman: Jak jsem se mýlil v politice (How I Was Wrong in Politics)

Now I use only 2010 but I think that many people still use 2006 because it's the version I could call "The Rise of Orbiter". "Orbiter 2006: The Rise of Probe" :lol:

And what about Valkyrie from SDF Macross?

1. Hit by a relativistic diamond meteor, a la XKCD What If? number 20, found here 2. More contagious version of Ebola becoming a pandemic. 3. BOSD of the matrix after a numeric overflow in the time keeping logic. 4. Skynet initiates "terminator program" and set hundreds of ancient H-bombs to...