Globular Clusters from the AZcendant Observatory at Rancho Hidalgo, NM
M3 video showing RR Lyrae stars brightning and dimming over a period of 4 hours. |
Globular Clusters from the AZcendant Observatory at Rancho Hidalgo, NM
M3 video showing RR Lyrae stars brightning and dimming over a period of 4 hours. |