Abstract
Measurements of the soft X-ray background flux show good qualitative correlation with 21 cm measurements of columnar hydrogen density but too little apparent absorption. A portion of the flux may originate in unresolved population II objects or may be extragalactic.
Original language | English (US) |
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Pages (from-to) | 1222-1226 |
Number of pages | 5 |
Journal | Nature |
Volume | 223 |
Issue number | 5212 |
DOIs | |
State | Published - Dec 1 1969 |
ASJC Scopus subject areas
- General