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![]() Date: 2014-10-06 11:21:13Cepheid variables Standard candles Spiral galaxies Local Group Henrietta Swan Leavitt RS Puppis Variable star Cosmic distance ladder Andromeda Galaxy Astronomy Space Astrometry | Add to Reading List |
![]() | MEET THE CONTESTANTS Hypatia Division Horsehead NebulaDocID: 151Cu - View Document |
![]() | Hubble Mania 2015 Prediction BracketDocID: XEzK - View Document |
![]() | Cepheid Variable Star RS Puppis National Aeronautics and Space AdministrationDocID: Ib74 - View Document |
![]() | Hubblecast Episode 71: Visible echoes around RS Puppis 00:00 [Narrator] 1. Everyone has heard echoes — but have you ever seen one? Hubble has. By watching the variable star RS Puppis, HubbleDocID: m4y9 - View Document |