Tag Archives: ganti

Artemis II: A Lunar Flyby with Modern Comforts

by S. Prasad Ganti More than five decades after the last Apollo flight and three years after the unmanned Artemis I flight to the moon, Artemis II went to the moon along with four astronauts and came back successfully with … Continue reading

Posted in May 2026, Sidereal Times | Tagged , , | Leave a comment

Neutrino Astronomy

By Prasad Ganti Astronomy started out as optical, viewing the light emitted by astronomical bodies in space. Our ancestors looked at the night sky and imagined patterns of stars and distant bodies. Several advances occurred in the last four hundred … Continue reading

Posted in April 2026, Sidereal Times | Tagged , , , | Leave a comment

The Hunt For Primordial Stars

by Prasad Ganti The hunt for the first stars formed in the universe is on. There have been some promising candidates but no confirmations yet. The first batch of stars called the population III stars were formed when the universe was … Continue reading

Posted in March 2026, Sidereal Times | Tagged , | Leave a comment

The Legacy of Gaia 

By Prasad Ganti Thanks to Surabhi for pointing me to this topic from the Astronomy magazine. I collected some more information and summarized the same here. Summarizing and packaging information helps me learn. The Gaia spacecraft was launched in 2013 … Continue reading

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The Celestial Transients

by S. Prasad Ganti A recent article in Scientific American about the Celestial transients piqued my mind. To quote “Transients are astronomically sized objects that change on human timescales—in seconds, hours, days. Transients, which are astronomical objects that appear suddenly … Continue reading

Posted in January 2026, Sidereal Times | Tagged , , , , , , , | Leave a comment

The Perfect Machine

by S. Prasad Ganti “The Perfect Machine” is the name of a book written by Ronald Florence. It covers the design, construction and the installation of the 200 inch Hale telescope at the Mount Palomar observatory, close to San Diego … Continue reading

Posted in December 2025, Sidereal Times | Tagged , , , | Leave a comment