Progressive film-maker says he’s more optimistic than he’s ever been since Trump announced first run eight years ago

You are viewing a single thread.
View all comments View context
6 points
  • Orbits a star
  • Is big enough to become a spheroid
  • Big enough to clear any other objects of similar size from its orbit

Pluto fails the last test. That’s why it’s a dwarf planet along with Eris, Haumea, Makemake, and Ceres, among many other possible ones

permalink
report
parent
reply
2 points
*

I’m willing to continue.

When were these tests instituted? Was it the IAU?

Is the last test referencing a specific size?

Does Pluto have anything else in it’s orbit? The other objects of similar size… What would cause a “planet” to clear it vs. a non-planet?

For example, suddenly there is another Saturn-sized object in Saturn’s orbit. What guarantee is there that Saturn would clear it? Might it not clear Saturn??? After all, it’s of similar size. Does this mean Saturn is not a planet?

Real questions.

permalink
report
parent
reply
-1 points
*

Yes, this was at the IAU.

But you’re clearly here for an argument so nothing I say will convince you. Go talk to them about it if you have a problem.

permalink
report
parent
reply
2 points

I’m not! I was really wondering like the physics of how an object is able to clear objects of similar size from its orbit.

I could understand objects of smaller size, but I just don’t get how it does objects of the same size or similar size.

permalink
report
parent
reply

politics

!politics@lemmy.world

Create post

Welcome to the discussion of US Politics!

Rules:

  1. Post only links to articles, Title must fairly describe link contents. If your title differs from the site’s, it should only be to add context or be more descriptive. Do not post entire articles in the body or in the comments.

Links must be to the original source, not an aggregator like Google Amp, MSN, or Yahoo.

Example:

  1. Articles must be relevant to politics. Links must be to quality and original content. Articles should be worth reading. Clickbait, stub articles, and rehosted or stolen content are not allowed. Check your source for Reliability and Bias here.
  2. Be civil, No violations of TOS. It’s OK to say the subject of an article is behaving like a (pejorative, pejorative). It’s NOT OK to say another USER is (pejorative). Strong language is fine, just not directed at other members. Engage in good-faith and with respect! This includes accusing another user of being a bot or paid actor. Trolling is uncivil and is grounds for removal and/or a community ban.
  3. No memes, trolling, or low-effort comments. Reposts, misinformation, off-topic, trolling, or offensive. Similarly, if you see posts along these lines, do not engage. Report them, block them, and live a happier life than they do. We see too many slapfights that boil down to “Mom! He’s bugging me!” and “I’m not touching you!” Going forward, slapfights will result in removed comments and temp bans to cool off.
  4. Vote based on comment quality, not agreement. This community aims to foster discussion; please reward people for putting effort into articulating their viewpoint, even if you disagree with it.
  5. No hate speech, slurs, celebrating death, advocating violence, or abusive language. This will result in a ban. Usernames containing racist, or inappropriate slurs will be banned without warning

We ask that the users report any comment or post that violate the rules, to use critical thinking when reading, posting or commenting. Users that post off-topic spam, advocate violence, have multiple comments or posts removed, weaponize reports or violate the code of conduct will be banned.

All posts and comments will be reviewed on a case-by-case basis. This means that some content that violates the rules may be allowed, while other content that does not violate the rules may be removed. The moderators retain the right to remove any content and ban users.

That’s all the rules!

Civic Links

Register To Vote

Citizenship Resource Center

Congressional Awards Program

Federal Government Agencies

Library of Congress Legislative Resources

The White House

U.S. House of Representatives

U.S. Senate

Partnered Communities:

News

World News

Business News

Political Discussion

Ask Politics

Military News

Global Politics

Moderate Politics

Progressive Politics

UK Politics

Canadian Politics

Australian Politics

New Zealand Politics

Community stats

  • 15K

    Monthly active users

  • 11K

    Posts

  • 183K

    Comments