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0 |
898 |
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Gliese 710, means **** will hit the Earth? by
StarDust
https://en.wikipedia.org/wiki/Gliese_710
Gliese 710 has the potential to perturb the hypothetical Oort cloud in the outer Solar System, exerting enough force...
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2 |
906 |
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Geostationary satellites by
Gerald Kelleher
A satellite in a geostationary orbit is basically an extension of the Lat/Long system into space as a sat hanging over a particular longitude on the surface is...
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7 |
929 |
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'Oumuamua by
StarDust
https://www.youtube.com/watch?v=rfi3w9Bzwik
So, why not just use asteroid for space craft by attaching a few rocket engine to it, drill a few caves inside for...
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1 |
905 |
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APoD today by
Gerald Kelleher
https://apod.nasa.gov/apod/astropix.html
At least people are learning how to describe and differentiate the illusory loops of the slower moving planets where...
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1 |
957 |
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Exoplanet Beta Pictoris b by
Gerald Kelleher
https://www.youtube.com/watch?v=0cztuUUg-9M
There is an adjustment to make when viewing the closed loop of this exoplanet in contrast to the circuits of Venus...
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0 |
836 |
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13 |
1,477 |
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Precession of the Equinoxes by
Gerald Kelleher
The moon in its monthly orbital circuit of the Earth will register the shifting of either the North or South poles relative to the Sun or the Earth's circle of...
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0 |
951 |
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525 |
13,209 |
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Supernova event as a transition phase by
Gerald Kelleher
In 1990 I was working on stellar evolution and specifically the geometry of a pre-supernova star. In terms of the tug-of-war between density and volume in and...
( 1 2)
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11 |
1,561 |
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Black Holes do exist? by
Rich
cientists using NASA's Chandra X-ray Observatory have discovered
evidence of energetic plumes – particles that extend 300,000 light
years into a massive...
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3 |
1,295 |
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14 |
1,549 |
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17 |
1,545 |
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False hypothesis for proof of axiom by
Gerald Kelleher
The axiom is that the Earth orbits the Sun along with the other planets while turning to the Sun each day as a function of daily rotation.
The original...
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1 |
1,172 |
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6 |
1,163 |
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Kepler's Somnium by
Gerald Kelleher
https://books.google.ie/books?id=OdCJAS0eQ64C&pg=PA80&lpg#v=onepage&q&f=false
It can be dismaying sometimes knowing how much of a tangle exists without any...
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1 |
1,083 |
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1 |
1,253 |
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5 |
1,118 |
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Nexstar 90 mm f/10 refractor by
StarDust
I got this cheap Nexstar achromat refractor, other night looked at the Moon and Mars with it, quiet good!
At 110x power full Moon had a slight yellowish/green...
( 1 2)
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18 |
1,648 |
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2 |
1,279 |