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Helio

Joined: Jun 1, 2020

Last seen: 52 minutes ago Viewing thread Is our universe expanding?

Latest activity Postings Featured content About Trophies

- Helio reacted to Unclear Engineer's post in the thread Just a fraction of the hydrogen hidden beneath Earth's surface could power Earth for 200 years, scientists find [clone] with Like.
  
  The title of this article seems totally disconnected from the article text. Working with the actual text, the article is really about...
  
  Yesterday at 12:12 PM
- Helio replied to the thread Oumuamua observation.
  
  Ok, I think I see. You can divide the football into parts and calculate the energy/momentum for an given instant relative, say to its...
  
  Tuesday at 10:36 PM
- Helio replied to the thread Oumuamua observation.
  
  Braking or simply deceleration.
  
  Tuesday at 10:31 PM
- Helio replied to the thread Oumuamua observation.
  
  I’m having trouble seeing a slower side.
  
  Tuesday at 10:30 PM
- Helio replied to the thread Oumuamua observation.
  
  It’s an odd effect but the greater the g force, the more the onbject lifts. The net g force will always include regular gravity. A...
  
  Tuesday at 10:28 PM
- Helio replied to the thread Oumuamua observation.
  
  Momentum is simply mass x velocity. The full impact will conme when it is perpendicular to the path (vector). So a spiral path may...
  
  Tuesday at 10:18 PM
- Helio reacted to Catastrophe's post in the thread Definition of Universe requires clarification, to enable discussion with Like.
  
  RECIPROCAL done, given, or felt equally by both sides. reciprocal affection. 2. : related to each other in such a way that one completes...
  
  Dec 22, 2024
- Helio replied to the thread Definition of Universe requires clarification, to enable discussion.
  
  Agreed. I was erring by taking a reaction to, or engagement with, observations as an interaction.
  
  Dec 22, 2024
- Helio replied to the thread Hubble trouble or Superbubble? Astronomers need to escape the 'supervoid' to solve cosmology crisis.
  
  It's still fuzzy just what the tension is, but this article seems to be saying that at the time of the CMBR (13.8 Gyrs ago) the...
  
  Dec 21, 2024
- Helio replied to the thread Definition of Universe requires clarification, to enable discussion.
  
  Sure. Some have said science is a conversation with Nature. :) I'm unclear what you mean. Are you asking if a simple observation is...
  
  Dec 21, 2024
- Helio replied to the thread Definition of Universe requires clarification, to enable discussion.
  
  Yes, but Cat’s point about instruments (measurements) gives us the objectivity needed to distinguish science from, say, philosophy...
  
  Dec 21, 2024
- Helio replied to the thread Definition of Universe requires clarification, to enable discussion.
  
  It’s the ability to measure, which usually requires an instrument. This produces verifiable objective evidence. If the object emits...
  
  Dec 20, 2024
- Helio replied to the thread Definition of Universe requires clarification, to enable discussion.
  
  Scrutiny is key to science, so yes, the more testing the better the chances of tweaking the model, or perhaps, making a new discovery...
  
  Dec 20, 2024
- Helio replied to the thread Definition of Universe requires clarification, to enable discussion.
  
  That's pretty accurate, IMO. Those equations produce infinity results when get very near t=0. That is why some describe their...
  
  Dec 20, 2024
- Helio reacted to rod's post in the thread Hubble's 'impossible' planet explained? Gas giants may have formed fast in early universe with Like.
  
  PSR B1620-26b, a very interesting report IMO here. I looked at this site, https://exoplanet.eu/home/ I found 250 exoplanets listed with...
  
  Dec 20, 2024
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