Daily Archives: January 3, 2026

The Unchecked Growth of Orbital Debris

by Abhinav Sukla I don’t think it would be wrong to label the current era as the early dawn of the space age. Hardly half a century has passed since the first rockets left our atmosphere. Even in the early … Continue reading

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Impact of Relativity on the Hubble Equation

by William H. Davis The Hubble equation  v=Ho/dv= H_o/d is commonly used to estimate distances to distant objects emitting light. The observations by a number of astronomers, even before Hubble, recognized a relationship between velocity and distance of nearby objects. … Continue reading

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Snippets

compiled by Arlene & David Kaplan Did Astronomers See a Star Explode Twice? Astronomers may have spotted their first superkilonova — a star that’s exploded not once, but twice. When massive stars die, they detonate in a celestial fireworks display known as … Continue reading

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