Trisha Muro

All Stories by Trisha Muro
- Physics
Explainer: Gravity and microgravity
The force of gravity holds us on the ground, keeps planets in orbit and extends throughout space. A very weak gravitational pull is called microgravity.
- Space
Explainer: Telescopes see light — and sometimes ancient history
Different kinds of telescopes on Earth and in space help us to see all wavelengths of light. Some can even peer billions of years back in time.
- Physics
Explainer: Understanding electricity
Here’s what allows you to plug in and power up the devices in your life.
- Physics
Scientists Say: Big Bang
The Big Bang is the current theory about how our universe came to be. It began with a vast explosion of matter — a very Big Bang.