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00:00:00:00 - 00:00:01:12 [Music throughout] 00:00:01:12 - 00:00:02:23 [SFD Dust Map] 00:00:02:25 - 00:00:06:14 The Milky Way has thick bands of gas and dust 00:00:06:25 - 00:00:11:13 which block our view of what’s behind. [Deep Star Map 2020] 00:00:14:15 - 00:00:19:03 Infrared light can travel through that material ... [Hubble Space Telescope visible-light image] 00:00:19:13 - 00:00:23:22 ... revealing hidden stars. [Hubble infrared image] 00:00:24:20 - 00:00:30:04 Infrared light has a longer wavelength than visible, 00:00:30:04 - 00:00:35:18 so it’s less likely to be scattered or absorbed by small particles. 00:00:37:05 - 00:00:41:12 The far side of the Milky Way remains largely unknown. 00:00:42:11 - 00:00:45:05 Future infrared telescopes with greater sensitivity will help 00:00:45:05 - 00:00:47:13 astronomers map that region 00:00:48:18 - 00:00:52:29 by seeing deeper and with more detail than ever before. |