Check it out; it's really pretty well done.
Monday, May 18, 2020
Cool Video
I can't recall how many times I've had to explain why chemical rocket technology is not going to get us beyond the local solar system. Although not the point of this simulation/video it does illustrate the point that the vast percentage of rocket mass is the fuel.
Check it out; it's really pretty well done.
Check it out; it's really pretty well done.
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Day 10 - Eidfjord
Our stay in Eidfjord was enjoyable - seeing some very interesting landscapes - and viewed a wonderful panoramic film in the Hardangervidda N...
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We had an unscheduled ' entertainment ' activity last evening (actually, early morning of the 13th). The ship ran into a fairly lar... -
Today I present the Bubble Nebula, NGC 7635, taken over six nights, from July 17 to August 22, with my EdgeHD11 scope and ASI2600mm camera. ...
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