https://www.drewexmachina.com/2019/11/13/the-real-wolf-359-revisited-new-planetary-discoveries/, Lalande 21185:
An exoplanet will yield a regular, repeating pattern of “spikes” (the pattern takes a long time to occur and recur, for more distantly-orbiting exoplanets), while photosphere movements that produce “false planet positive” indications will, when recorded over time, be random. Does the X-ray intensity impact the atmospheric density and GHG composition over the long term? A comment I made in a earlier post about PROXIMA CENTAURI d; “What is fascinating is a possible new planet in a 5.15 day orbit with a mass about 2.7 times Mars and a high noon temperature of 134 degrees Fahrenheit. Sorry, things are not quite that simple. Yes, these planets can be stripped until they are bare bones but the next billion years a star can ripe thru their comet belt and regenerate a stable atmosphere. We tend to put blinders on when dealing with different worlds but look at earth bombarted over and over again. I don’t think that X-Rays could be a problem for ocean life. Proxima Centauri is a small, low-mass star located 4.244 light-years (1.301 pc) away from the Sun in the southern constellation of Centaurus. To name a planet after a person seems presumptuous. The dusk and morning might be very comfortable and being tidally locked it may have a large ocean or large glaciers on the night side.
“If this is a planet, it’s the smallest planet ever measured with radial velocity methods” – I understand that this is only a minimum mass.
Therefore it could be a larger planet, even a giant planet, in a highly inclined orbit, unless someone has pinned down the orbital inclination, and I’ve not heard anything about this. I don’t have high hopes for biosphere in Centauri System(though it would be amazing beyond belief), however even simple presence of multi-planetary system with asteroid rings(as it seems to be the case here) provides humanity with immense opportunity in far future interstellar exploration.A stepping stone or possible new settlement with numerous and vast resources at arms length in terms of galactic distances. This seems quite significant and I believe we should start to think what specific unique name it should have instead of general Proxima B-perhaps Sagan? I am wondering about the transition to gas giant. We see two competing forces. And Proxima B is extremely close to this star so several models have suggested both atmosphere and other volatiles have been stripped off long ago.
So what would the equilibrium temperature of Venus be? An atmosphere can also be replenished by tidal heating from tidal locking. Also this is solid review material: https://www.drewexmachina.com/2017/07/03/red-dots-the-search-for-nearby-exoplanets/.
With the goal of eventually reaching 10 cm/s, could we see some clarification as to what process needs to be done to get down to the 10 cm/s? https://www.drewexmachina.com/2018/11/16/our-new-neighbor-orbiting-barnards-star-details-historical-background/, Wolf 359:
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