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originally posted by: 0bserver1
Should there be a reason that both Zeta reticuli 1 and 2 are not of interest by NASA ?
one should think they are not allowed to do research on those two star systems . But that's just speculation of course. .
3.3 Target Lists
Our target list excludes binary stars with close
companions. Alpha Centauri A/B are
specifically excluded because their large size
results in the shadow converging in front of the
telescope. This applies at the standard
distances set for the three observing bands. It
may be possible to carry out the Alpha Cen
observations with the starshade moved closer
to the telescope and this will be studied further
and addressed in the Final Report.
In the video I pointed out the lack of exoplanets in the opposite direction of most of the "routes" on the map. This would appear to give it some credence because why would intelligent aliens map places without planets closer to their home?
That we've not found any in that direction says more about the newness of our planet search then about the possibility of an intelligent ET species navigating in the direction of higher densities of exoplanets.
originally posted by: 0bserver1
a reply to: JadeStar
It's miraculous that the Mr and Mrs Hill had such good description drawing of this starmap that has such great similarities with other professional mapping. . Coincidence I don't think so , although their are many stars that could have had the same alignment.
But looking at the habitable planet map are those assuming planetary environments they show or just speculative environments you see on that map?
I think our planet is rather small ..
but does that also mean that life would behold a curtain height or does it say nothing at all?
Also my apologies for jumping in to quickly. ..
Great thread ..S&F
originally posted by: intrptr
a reply to: JadeStar
Jumpng in…
In the video I pointed out the lack of exoplanets in the opposite direction of most of the "routes" on the map. This would appear to give it some credence because why would intelligent aliens map places without planets closer to their home?
One reason might be that the 'display' Betty saw was only one map of their explorations. For instance, we have detailed travel maps of the whole planet, but only use the regional one where we are currently traveling displayed on our GPS.
That we've not found any in that direction says more about the newness of our planet search then about the possibility of an intelligent ET species navigating in the direction of higher densities of exoplanets.
Exactly. As well, choice of destination when traveling to get some where may be more dependent upon way stations or like "base camps" when climbing a mountain. The goal is the top of the mountain but getting there is a step by step process, requiring many trips to established base camps, first. Her map may reflect that, too.
Not that I understand anything about Interstellar exploration capability of any "earth" visitors. Our own ideas about how we go about exploring our solar system used as a comparison, we move in similar fashion, establishing "bases" from which to expand from.
The Ted Talk video about "Star Shade"is fascinating but suggests huge expenditures to accomplish. It requires a "Hubble like" space telescope, "a bit bigger" than Hubble. Load lifting something like that is possible without a shuttle sized cargo bay?
Further: Betty Hills map of known "civilizations" would be hard to prove even with a dedicated study of the systems surrounding Zeta 1 & 2 Reticuli with a start shade apparatus. Understandably the search would begin with closer star systems to Earth. Just like Betty's map reflects an expanding exploration from their "Beginnings".
The principle limitation of this small telescope
option is the spectral resolution achievable on
Earth twins with a reasonable allocation of
mission times, as detailed in this section.
The IWA drives obscurational search
completeness. Figure 3.1-1 shows the
influence of IWA on the number of targets
available, with a representative photometric
sensitivity, lim∆mag, of 25 magnitudes.
limΔmag is the planet contrast at the threshold
of detectability. The blue points represent all
stars within 20 pc of the Sun having luminosity
< 3, while the contours represent constant
Earth twin search completeness at 25%. This is
the probability of detecting an Earth twin if
present in the habitable zone (here assumed to
be 0.7–1.4 AU scaled by the square root of
stellar luminosity). Stars below the curves have
at least 25% observational completeness.
Thanks for the study, great work…
originally posted by: Maverick7
Great first post, but there's substantial evidence that shows this was a psyop by the nice people at Pease AFB.
I think Barney was given a psychoactive substance and that there were some hijinks by three-letter agencies and the gubmint to see how they'd react and to draw out 'true believers'.
Thus it's kind of a waste of time to get involved in analyzing that case, intriguing as it may be.
but does that also mean that life would behold a curtain height or does it say nothing at all?
originally posted by: 0bserver1
a reply to: JadeStar
but does that also mean that life would behold a curtain height or does it say nothing at all?
I meant to say if life would evolve on such large planets .. you would suggest that the gravity would be bigger . So life in comparison to ours would be smaller or maybe larger in height .
Learning more about these planets is a high priority at NASA so it's hoped it will fly within the next 10 years if Congress co-operates and approves the budget for it.
originally posted by: intrptr
a reply to: JadeStar
Thanks so much for the responses here. If I may observe from an earthbound plane…
This star shade device will be independent, internally guided and have fuel to move around to interdict stars for the various telescopes. The optics on these devices will be able to resolve the goldilocks planets. Will they also be able to use spectrometers aboard the telescopes to measure gasses in the atmospheres, potentially identifying technological effluence from civilizations?
Abraham Loeb of Harvard-Smithsonian Center for Astrophysics, and Edwin Turner of Princeton University have now suggested a new way for detecting alien civilization, and it is pretty simple: we should look for their city lights. So if it is that simple, why aren’t we already doing it? The only limitation is technology: to glimpse the light of alien cities, researchers would have to be able to distinguish it from the glare of their parent star. According to the two scientists, the slight change in light from an exoplanet as it moves around its star should be detectable. Indeed, an inhabited exoplanet with city lighting would emit more light than one without artificial lighting during a dark phase (when orbiting its star the planet would go through phases similar to those of our Moon).
With our current technology, the team estimates that we should be able to detect a Tokyo-sized metropolis on Pluto. Obviously, it’s very unlikely that there is any alien civilization out there or anywhere in the Kuiper Belt (the region in which Pluto is orbiting the Sun). However, by the time the first Earth-like exoplanets are found, our technology will have improved and should be able to detect the artificial lights of potential nearby Earth twins.
Although this technique also relies on the assumption that any alien civilization would use Earth-like technologies, it seems rather difficult to avoid artificial lighting, unlike radio signals. And that’s why I personally hope to see such research being done in the near future.
When is the star shade going from concept to launch, if you know?
And most importantly,
Learning more about these planets is a high priority at NASA so it's hoped it will fly within the next 10 years if Congress co-operates and approves the budget for it.
I been wondering about that "high priority" myself. As yet we have no capability to reach any stars we find that have "habitable planets" but I notice too the intense searching that is going on to find them.
Hard for me to believe its just because they are there, sort of thing.
I suggest they start by looking at the stars in Betty's map instead of wasting what fuel star shade has available looking where NASA thinks life may be.
This search outside the solar system, is it a de facto resignation that the solar system is devoid of conditions for life, you think?