


Nolan Aldridge
Astrophysics teacher | Verified Expert
I hold a degree in Astrophysics from the University of Wisconsin-Green Bay, where my passion for unraveling the mysteries of the cosmos was nurtured. With a firm grasp of celestial principles, I'm here to guide you through the intricacies of astrophysics and beyond. Let's explore the wonders of the universe together, answering your questions with clarity and enthusiasm.
Questions
How can the Earth move in the absence of external forces??
If the Earth orbited the Sun at twice its current distance, what impact would this have on the accuracy of our ground-based astrometry?
How does a spectrograph test work?
Mobile phones send and receive data through electromagnetic waves. When a wave is emitted from a phone, the wave is received at the other end. What happens to the wave after that?
Why is it believed that warm dense matter exists at the core of some planets?
Does gravitational lensing cause the speed of light to change?
How can magnetic fields be created?
When energy (in any of its forms) enters a black-hole, is that energy destroyed or absorbed?
What is the evidence that suggests planetary systems are common in the universe?
What is the structure of a photon?
Are stars with planetary systems very common or extremely rare?
How has the Doppler effect and the redshift of stars and galaxies indicated that the universe is expanding?
How did Iron come to earth (millions of years ago)?
Are galaxies visible in the night sky?
What are pulsars and quasars?
Is it possible to "move" space, rather than a space vehicle, to make the vehicle travel faster?
How do protoplanetary discs form?
Where is the heliosphere located on a star?
How does the interstellar medium obscure our view of most of the galaxy?
What is the dust cloud in our solar system that will block out our sun light called?