Helio's latest activity
-
Helio replied to the thread Exoplanet Stats.While I'm at it. Here's an update on the radial distribution by exoplanet type (using Sky & Telescope's ranges). -
Helio replied to the thread Exoplanet Stats.Here are all the likely habitable zone (HZ) exoplanets known. The bright green is the conservative zone range. The new one today...
-
Helio replied to the thread Exoplanet Stats.For those interested in the multi systems....
-
Helio replied to the thread Exoplanet Stats.Here's an update with another 53 exoplanets added including one, as of today, that is in the HZ and isn't too large. Just for fun...
-
Helio replied to the thread Giant planet or 'failed star?' Newfound mystery world blurs the lines.I think many consider little Pluto as being a binary system with Charon, so it seems likely larger planets might get this labeling. I...
-
Helio reacted to Catastrophe's post in the thread Giant planet or 'failed star?' Newfound mystery world blurs the lines with
Like.
Google gives: Cat :) -
Helio replied to the thread What brand of golf ball did Alan Shepard hit off the moon? The world may never know."It's a Titleist!" according to my father who's first look was of the Moon using our newly purchased 16" Dob. ;)
-
Helio reacted to Classical Motion's post in the thread Giant planet or 'failed star?' Newfound mystery world blurs the lines with Like.
Ok, I didn’t realize the “Position in the sky over time” image was an exaggeration. That showed 4 rotations of 570 days. At 244 LY. I...
-
Helio replied to the thread Giant planet or 'failed star?' Newfound mystery world blurs the lines.Great explanations, m4! Yes, I was surprised when I read about the use of deuterium fusion as a determining factor, adding to my...
-
Helio reacted to m4n8tpr8b's post in the thread Giant planet or 'failed star?' Newfound mystery world blurs the lines with Like.
The mainstream view is that (1) brown dwarfs have masses between 13 and 80 Jupiter masses, (2) brown dwarfs formed by cloud collapse...
-
Helio replied to the thread Giant planet or 'failed star?' Newfound mystery world blurs the lines.Distances are exaggerated for effect. This scaled illustration may show how their mass ratio, though higher than average, causes little...
-
Helio reacted to Admin's post in the thread Giant planet or 'failed star?' Newfound mystery world blurs the lines with Like.
By tracing the corkscrew wobble of two stars as they move through the sky, the Gaia space mission has discovered one new giant "planet,"...
-
Helio replied to the thread Giant planet or 'failed star?' Newfound mystery world blurs the lines.This article makes sense as it holds to the mainstream view, as I understand it, that planets should be assumed to be brown dwarfs when...
-
Spaceweather.com today has a great image of a rare occurrence of ice-crystal clouds in the stratosphere in the arctic. Apparently, the...
-
Helio replied to the thread Scientists find hints of the dark universe in 3D maps of the cosmos.If models drop DM and DE then astronomers would need to find another label to use to describe observed effects. The label,: dark...
Facebook
Twitter
Instagram