GoKawiilA new estimate of Mercury's shrinkage shows that this planet may have contracted 10% to 30% more than previous research suggested.
Scientists Drastically Underestimated How Much Mercury Has Shrunk
Why This Matters
New research suggests Mercury has contracted 10% to 30% more than earlier estimates indicated, revising a key measure of how the planet cooled and deformed over time. Better numbers on planetary shrinkage sharpen models of rocky planet interiors and thermal evolution, which feeds into how missions and instruments are targeted.
Key Takeaways
- Mercury's total contraction may be 10-30% greater than previously calculated.
- The finding revises long-standing assumptions about the planet's cooling history.
- Improved interior models could inform future planetary science and mission planning.
Worth a Look
Celestron NexStar 130SLT Telescope — Mercury is notoriously tricky to spot low on the horizon, and a computerized GoTo mount like the NexStar 130SLT makes finding it far easier. Its reflector optics gather plenty of light for planetary viewing, so you can chase the little shrinking world yourself after reading about its contraction.
See Celestron NexStar 130SLT Telescope on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.Get alerts for these topics