Category: Fundamental Ideas
From radio waves to gamma rays, astronomers are able to learn so much about astronomical objects based on the type of light observed from them. Learn about one way astronomers use light to learn about an object: redshift.
When scientists discuss the multiverse, they are referring to the idea that beyond our observable universe, many other universes may exist. What those universes look like, and how they came to be is still unknown, but there are currently three multiverse theories in physics.
On Earth, our main source of light is the Sun. Solar radiation, or sunlight, provides the energy for photosynthesis – plants create sugars, which when digested, release energy.
How Gravity Works
How Gravity Works Hi, I’m Rachel. The Astronomer at the Space Centre. Just old enough to walk, I vividly remember sitting on my brother’s toy fire truck, honking the horn and generally just having the time of my life; that is, until my brother came along, shoved me off, and I went tumbling to the…