Cepheids

#hoind #monoleg #colort #ygvhbjnk #momstrong #lt london #crownbird #eil clark #hangbag #mail max

Webcam Model(Polli_Kiss) is live
LIVE
Variable Star AstronomyVariable stars are stars whose brightness changes because of physical changes

Link #astronomy #astrophysicis #cepheids #education #information #physicists #physics #rr lyrae #sayitwithscience #star luminosity #tumblr #science