D4K: Astronomy
Special | 28m 55s | Video has closed captioning.
One of humanity’s oldest sciences is astronomy when humans looked up into the stars and wondered what was there. In 1609, astronomer Galileo first used a telescope to study the stars. 400 years later, astronomers use a far more powerful tool, the Hubble Space Telescope. Kenneth Carpenter, Hubble Space Telescope Operations Project Scientist answers students’ questions about astronomy.
Aired: 12/15/09
