Question
The observatory named for this constellation was recently cyberattacked, temporarily closing observatories worldwide. For 10 points each:
[10e] Name this constellation whose alpha and beta stars are named for the twins Castor and Pollux.
ANSWER: Gemini
[10h] U Geminorum is the prototypical example of a class of this type of cataclysmic variable. These binary systems consist of a white dwarf orbiting a red giant that has overflown its Roche lobe.
ANSWER: dwarf novae [or classical novae; or recurring novae; do NOT accept or prompt on ‘supernovae’ or ‘hypernovae’]
[10m] Besides being a powerful gamma-ray source in Gemini, one of these objects named Geminga is a major source of the positron excess near Earth. Jackson et al. show that Geminga exhibits glitches like other objects of this type.
ANSWER: pulsars [or magnetars; prompt on neutron stars]
<James Lasker, Other Science>
Summary
| 2023 Penn Bowl @ Waterloo | 10/28/2023 | Y | 4 | 15.00 | 75% | 75% | 0% |
| 2023 Penn Bowl @ FSU | 10/28/2023 | Y | 2 | 10.00 | 0% | 100% | 0% |
| 2023 Penn Bowl (Harvard) | 10/21/2023 | Y | 3 | 6.67 | 67% | 0% | 0% |
| 2023 Penn Bowl (Mainsite) | 10/21/2023 | Y | 7 | 15.71 | 86% | 71% | 0% |
| 2023 Penn Bowl (Norcal) | 10/28/2023 | Y | 2 | 20.00 | 100% | 100% | 0% |
| 2023 Penn Bowl (South Central) | 10/28/2023 | Y | 3 | 16.67 | 100% | 67% | 0% |
| 2023 Penn Bowl (UK) | 10/28/2023 | Y | 5 | 16.00 | 100% | 60% | 0% |
| 2023 Penn Bowl @ UNC | 10/28/2023 | Y | 3 | 13.33 | 67% | 67% | 0% |