Author

Travis Lund Page 8

A science center planetarium educator, Travis Lund writes about observational astronomy for Biology Insights. He previously led museum tours and presented public astronomy demonstrations. Lund still conducts live dome shows and teacher workshops a few hours a week.

What Is Apparent Retrograde Motion?Earth & Space
Why Can a Brown Dwarf Be Considered a Failed Star?Earth & Space
What Happens When a Star Runs Out of Hydrogen?Physics
Does Mars Have a Core? Structure, Size, and Evidence Earth & Space
What Does Saturn Look Like Inside?Earth & Space
What Is a Coronal Hole and How Does It Affect Earth?Earth & Space
What Does the Radiative Zone of the Sun Do?Earth & Space
Where on Earth Do Stars Always Circle the Zenith?Earth & Space
What Would Happen If the Moon Was Closer to Earth?Earth & Space
How Do Nebulas Make Stars? From Cloud to Main Sequence Earth & Space
What Determines the Temperature of a Star?Physics
Why Is There an Upper Limit to the Mass of a White Dwarf?Physics
Why Does the Moon Appear Bigger Than the Planets and Stars?Earth & Space
Why Does the Moon Wax and Wane?Earth & Space
What Is the Ideal Tilt for a Planet to Support Life?Earth & Space
Do Stars Burn Out? The Life and Death of a Star Earth & Space
Is Polaris a Supergiant? Its True Stellar Classification Earth & Space
What Is a Failed Star? The Science of Brown Dwarfs Earth & Space
When Do Comets Have Tails and How Do They Form?Earth & Space
What Would Happen If Jupiter Was as Close as the Moon?Earth & Space
How Is the Earth Spinning and How Do We Know?Earth & Space
What If the Earth Were 10% Closer to the Sun?Earth & Space
Why Does Earth Travel Fastest in January and Slowest in July?Earth & Space
What Is the Proof the Earth Is Spinning?Physics
What Is an Interplanetary Shock Wave?Earth & Space
What Happened During the Accretion Phase of the Early Solar System?Earth & Space
What Happens to Solar Energy When a Faculae Occurs?Earth & Space
What Color Are Young Stars and Why?Earth & Space
Do Planets Die? The Many Ways a Planet Can End Earth & Space
What Would Happen in the Sun If Fusion Reactions Suddenly Ceased?Physics