![]() ssc2012-13a 10.03.12 Cepheids as Cosmology ToolsThis graph illustrates the Cepheid period-luminosity relationship, which scientists use to calculate the size, age an... view image |
![]() ssc2008-06b 03.13.08 Water Vapor in the Young Planetary Disk of AS 205NThis plot of infrared data shows the strong signature of water vapor in the disk of gas and dust surrounding a young ... view image |