Earth and Mars were born 20 million years earlier than thought.
This is a preview of subscription content, access via your institution
Access options
Subscribe to this journal
Receive 51 print issues and online access
$199.00 per year
only $3.90 per issue
Buy this article
- Purchase on Springer Link
- Instant access to full article PDF
Prices may be subject to local taxes which are calculated during checkout
References
Lee, D.-C. & Halliday, A. N. Hafnium-tungsten chronometry and the timing of terrestrial core formation. Nature 378, 771 - 774 (1995).
Yin, Q. et al. A short timescale for terrestrial planet formation from Hf-W chronometry of meteorites. Nature 418, 949 - 952 (2002).
Kleine, T., Munker, C., Mezger, K. & Palme, H. Rapid accretion and early core formation on asteroids and the terrestrial planets from Hf-W chronometry. Nature 418, 952 - 955 (2002).
Related links
Rights and permissions
About this article
Cite this article
Clarke, T. Planets were precocious. Nature (2002). https://doi.org/10.1038/news020826-4
Published:
DOI: https://doi.org/10.1038/news020826-4