# Astronomers Propose New Planet Definition, Excluding Pluto

**URL:** <https://onehack.st/t/astronomers-propose-new-planet-definition-excluding-pluto/286753>\
**Category:** News & Articles\
**Tags:** technology\
**Created:** [July 12, 2024, 5:46pm UTC](https://onehack.st/t/astronomers-propose-new-planet-definition-excluding-pluto/286753 "2024-07-12T17:46:29Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Nina](https://onehack.st/user_avatar/onehack.st/nina/32/86958_2.png) [@Nina](https://onehack.st/u/Nina)\
**Post date:** [July 12, 2024, 5:46pm UTC](https://onehack.st/t/astronomers-propose-new-planet-definition-excluding-pluto/286753/1 "2024-07-12T17:46:30Z")

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**Summary:**

1. **Astronomers** propose a **new definition** for planets, potentially reclassifying **thousands of celestial bodies**.

2. The **International Astronomical Union’s (IAU)** 2006 definition limits planets to **bodies orbiting our Sun**.

3. The new proposal suggests classifying planets by **mass** and their orbit around **stars, brown dwarfs, or stellar remnants**.

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