MCQOPTIONS
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| 1. |
Which of the following space telescopes has observed 13.4 billion year old clusters for the first time? |
| A. | astro 2 |
| B. | Broad Band X-ray Telescope / Astro 1 |
| C. | Hubble Space Telescope |
| D. | Extreme Ultraviolet Explorer (EUVE) |
| Answer» D. Extreme Ultraviolet Explorer (EUVE) | |