Category Archives: Astronomy

Gravity Assist Competition

Posted on Wed, 2010-10-06 by gravityloss

Or The Space Game, by ESA. This is a nice javascript webpage where a probe is shot from Earth to Jupiter with gravity assists at Venus (twice), Earth and Mars. You try to achieve the lowest propulsive delta vee. You … Continue reading →

Posted in Architecture, Astronomy, Depot, Design, Energy, ESA, Homebuilt, industry, Launchers, Lunar, Models, Motivation, Science Links, Spacecraft | Tagged , , , , , , | Leave a comment

Tim on Tim

Posted on Sun, 2009-06-07 by gravityloss

Tim Lambert exposes another one of Tim Blair’s articles. How can Blair be one of Australia’s top bloggers (in terms of traffic)? Just read some comments at Blair’s – they’re horrible excercises in outrage based on completely false information. The … Continue reading →

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Slide Into Idiocracy

Posted on Sun, 2008-08-17 by gravityloss

“On the internet, everybody is an expert.” “Knowledge seems to correlate inversely with confidence.” And many other one-liners proven true in a godawful blogpost. Jennifer Marohasy has been a policy advisor for the Australian government, a prominent think tank member … Continue reading →

Posted in Astronomy, Climate, Science Links, Uncategorized | Tagged , , | 3 Comments

Interstellar Travel Destinations

Posted on Sun, 2008-05-18 by gravityloss

Nowadays new exoplanets are found every week. Exoplanet blog systemic has an article from February about possible Earth-like planets around Alpha Centauri B. What’s remarkable is the easiness with which they could be detected if some resources are spent. And … Continue reading →

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Worlds Within The Margin

Posted on Mon, 2008-02-18 by gravityloss

Our solar system is only marginally stable, and also “filled to the brim” with planets. If you added another planet, the system would eject planets until it reached stability. During the disk accretion and the planetary embryo collisions, small variations … Continue reading →

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Asteroid Passes Near Earth

Posted on Thu, 2008-01-24 by gravityloss

In the end of January, a 100 m class asteroid called 2007 TU24 will pass near earth, somewhat beyond moon’s distance. It’s not visible with the naked eye, but only with reasonable size amateur telescopes.  JPL has more. This was only detected  in November 2007. If some other … Continue reading →

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Merry Christmas to the Readers

Posted on Fri, 2007-12-21 by gravityloss

I can link you some nice images: Nicolas Pillet’s photo gallery of Soyuz / Foton-M3 & YES2. An example. Don P. Mitchell’s restored Venus photos from Soviet Venera probe material. An example. And finally, for the technology fetishists like me, Flight … Continue reading →

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Tvashtar, Io, Jupiter

Posted on Mon, 2007-12-10 by gravityloss

Hello, had some time with not so many posts. I’ll write more stuff soon, including something that is slightly offtopic for a spaceflight blog. 🙂 But in the mean time, the newest Carnival of Space had a nice link to a fine blog which had a great picture (beware it’s full size on the front page) that New Horizons snapped of … Continue reading →

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