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
