✦ LIBER ✦
Atom & cosmos: Black holes offer new cosmic ruler: Active galactic nuclei may help measure extreme distances
✍ Scribed by Nadia Drake
- Book ID
- 112205088
- Publisher
- Society for Science & the Public
- Year
- 2011
- Tongue
- English
- Weight
- 619 KB
- Volume
- 180
- Category
- Article
- ISSN
- 0036-8423
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