Distances in Space
Investigate: Measure the Size of a Galaxy
Have you ever wondered how big a galaxy is? They contain millions to billions of stars but what does that really mean for size?
Reading about sizes in a book is one thing, but what if you could make an observation of a galaxy and then measure its size?
Make Your Own Star Wheel
Have you ever noticed how the night sky looks different every single day? This is because we are constantly moving in space so our view changes.
Sheila Kanani
Occupation: Planetary Physicist and Communicator
Year born: 1983
Mario Hamuy
Occupation: Astronomer and Professor
Year born: 1960
Susan Murabana Owen
Occupation: Astronomer and CEO
Research Area: Education, Science Communication, Planetariums, and Astronomy