Ask ScienceEnglish • 3 months ago

How large would a city/base on the moon have to be in order to be visible with the unaided human eye from earth?

109

How large would a city/base on the moon have to be in order to be visible with the unaided human eye from earth?

Ask ScienceEnglish • 3 months ago

Let’s say the roofs are all red, how big does it have to be to be visible as a little red dot?

Chat

@[email protected]
link
fedilink
English
3•3 months ago
Cool idea for an SOS beacon: Just shoot an incredibly bright red light at Earth and they’ll know something bad is happening :D
- Pennomi
  link
  English
  13•3 months ago
  If you can shoot an incredibly bright red light, chances are you can shoot an incredibly bright radio light too.

Ask Science

[email protected]

You are not logged in. However you can subscribe from another Fediverse account, for example Lemmy or Mastodon. To do this, paste the following into the search field of your instance: [email protected]

Ask a science question, get a science answer.

Community Rules

Rule 1: Be respectful and inclusive.

Treat others with respect, and maintain a positive atmosphere.

Rule 2: No harassment, hate speech, bigotry, or trolling.

Avoid any form of harassment, hate speech, bigotry, or offensive behavior.

Rule 3: Engage in constructive discussions.

Contribute to meaningful and constructive discussions that enhance scientific understanding.

Rule 4: No AI-generated answers.

Strictly prohibit the use of AI-generated answers. Providing answers generated by AI systems is not allowed and may result in a ban.

Rule 5: Follow guidelines and moderators' instructions.

Adhere to community guidelines and comply with instructions given by moderators.

Rule 6: Use appropriate language and tone.

Communicate using suitable language and maintain a professional and respectful tone.

Rule 7: Report violations.

Report any violations of the community rules to the moderators for appropriate action.

Rule 8: Foster a continuous learning environment.

Encourage a continuous learning environment where members can share knowledge and engage in scientific discussions.

Rule 9: Source required for answers.

Provide credible sources for answers. Failure to include a source may result in the removal of the answer to ensure information reliability.

By adhering to these rules, we create a welcoming and informative environment where science-related questions receive accurate and credible answers. Thank you for your cooperation in making the Ask Science community a valuable resource for scientific knowledge.

We retain the discretion to modify the rules as we deem necessary.

154 users / day
273 users / week
732 users / month
2.62K users / 6 months
8.58K subscribers
211 Posts
2.89K Comments
Modlog