# Is dark matter real, or another 'Planet Vulcan'

**URL:** <https://boards.straightdope.com/t/is-dark-matter-real-or-another-planet-vulcan/1023625>\
**Category:** Factual Questions\
**Created:** [October 3, 2025, 12:41am UTC](https://boards.straightdope.com/t/is-dark-matter-real-or-another-planet-vulcan/1023625 "2025-10-03T00:41:07Z")\
**Posts on this page:** 1\
**Showing post:** 6

<div class="post-metadata">

**Author:** ![Monty](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/monty/32/47_2.png) [@Monty](https://boards.straightdope.com/u/Monty)\
**Post date:** [October 3, 2025, 1:25am UTC](https://boards.straightdope.com/t/is-dark-matter-real-or-another-planet-vulcan/1023625/6 "2025-10-03T01:25:43Z")

</div>

I started this thread, [Explain Dark Matter & Dark Energy please](https://boards.straightdope.com/t/explain-dark-matter-dark-energy-please/641159), back in November 2012. There are some good answers there.

---

_[View the full topic](https://boards.straightdope.com/t/is-dark-matter-real-or-another-planet-vulcan/1023625)._