Magazine | Page 171 of 278 | Astronomy.com

Tony Hallas’ Cosmic Imaging: Working with RegiStar

Why are all planetary systems and most galaxies disk-shaped?

Magnetic fields, subatomic particles, etc., traveling in different directions fill the universe. Do they deflect or otherwise affect one another? If so, isn’t the information we get from them distorted?

Stephen James O’Meara’s Secret Sky: The Bear’s collective heart

What causes the highly differentiated color banding on Jupiter?

Appreciating a celestial light show

Astrophotography

Tony Hallas’ Cosmic Imaging: Create a mosaic

Does the time it takes different methods to create all the elements coincide with the universe’s accepted age?

David H. Levy’s Evening Stars: When did modern studies of Mars really begin?

How often does a large meteroid hit the Moon? Can I see such an impact?

Scientists identified galaxies at 600 million light-years after the Big Bang in the Hubble Ultra Deep Field. Shouldn’t this light have passed us long ago? Why is it just getting to us now?

What causes spikes around stars in pictures, and how can I prevent them?