Step 4: The Realm of Galaxies
NASA's The Incredible Two-Inch Universe Activity (Audio & ASL)
English - April 28, 2008 17:00 - 6 minutes - 29.6 MB - ★★★★★ - 1 ratingNatural Sciences Science Government chandra x-ray astronomy nasa observatory Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
Switch scales one last time, and shrink the entire continent-sized galaxy down to 2 inches.