Tag Archives: ganti

Darkness at Noon

Posted on May 5, 2024 by ST Editors

by S. Prasad Ganti Millions of people made long journeys across the US to catch a glimpse of the total solar eclipse on April 8th 2024. The totality lasted up to 4 mins. First I will write about the logistics … Continue reading →

Posted in May 2024, Sidereal Times | Tagged , , | Leave a comment

Stellar Nurseries

Posted on April 1, 2024 by ST Editors

by S. Prasad Ganti Stellar nurseries are places in a galaxy where star formation is taking place. Very much like all living beings, stars are born and die. Huge clouds of gaseous hydrogen, embedded with dust particles,  are the source … Continue reading →

Posted in April 2024, Sidereal Times | Tagged , | Leave a comment

Expansion of the Universe

Posted on March 3, 2024 by ST Editors

by S. Prasad Ganti A recent article in the journal “Nature” intrigued me. It stated that the accelerated expansion of the Universe, attributed to dark energy currently, could be happening due to merger with other Universes. A very thought provoking … Continue reading →

Posted in March 2024, Sidereal Times | Tagged , , | Leave a comment

The Sun God Aditya

Posted on February 4, 2024 by ST Editors

by S. Prasad Ganti In Hindu mythology, Aditya is the Sun god, something akin to Ra in Egyptian mythology. Studying the Sun has been occurring for most of human history. In the last few decades done using telescopes – both … Continue reading →

Posted in February 2024, Sidereal Times | Tagged , , , | 1 Comment

Mission Afterthought

Posted on January 1, 2024 by ST Editors

by S. Prasad Ganti Different space missions have different goals. The scripting of operations is done accordingly. For example, the Hubble Space Telescope had the goal of looking at different parts of  the sky and capturing images of the stars … Continue reading →

Posted in January 2024, Sidereal Times | Tagged , , | Leave a comment

First light from the Dark Universe

Posted on December 8, 2023 by ST Editors

by Prasad Ganti Euclid is a space based telescope launched by ESA (European Space Agency) in July 2023. Since then it has traveled to its home at the L2 Lagrangian point in space about a million miles from Earth. And … Continue reading →

Posted in December 2023, October 2023, Sidereal Times | Tagged , , , , | Leave a comment

Data formats for Astronomy

Posted on November 6, 2023 by ST Editors

by S. Prasad Ganti A recent article in the journal “Nature” piqued my interest about data formats for data coming from microscopic observations. Wearing my Information Technology hat, I read this article and also explored the different data formats in … Continue reading →

Posted in November 2023, Sidereal Times | Tagged , | Leave a comment

Gifts from Outer Space

Posted on October 1, 2023 by ST Editors

by S. Prasad Ganti The spacecraft OSIRIS-REx passed close to the Earth to paradrop off a sample of material it scooped from the asteroid Bennu about three years back. The sample has landed safely in the deserts of Utah, while … Continue reading →

Posted in October 2023, Sidereal Times | Tagged , , | Leave a comment

In The Quest For Moonlight

Posted on September 4, 2023 by ST Editors

by S. Prasad Ganti For the Indian moon bound spacecraft, Chandrayaan 3 (meaning moon craft), the second time was a charm. Twenty minutes of terror while hundreds of millions of people waited with baited breath. It touched down softly in … Continue reading →

Posted in September 2023, Sidereal Times | Tagged , , , | Leave a comment

Gamma Ray Bursts

Posted on August 6, 2023 by ST Editors

by S. Prasad Ganti The cold war between the US and the Soviet Union gave some insights into some of the violent cosmic explosions in our Universe. In the 1960s, US launched the Vela satellite to detect any nuclear tests … Continue reading →

Posted in Mid-summer 2023, Sidereal Times | Tagged , | Leave a comment

Black holes, Entropy, and information

Posted on June 4, 2023 by ST Editors

by S. Prasad Ganti In the century following Albert Einstein’s General theory of relativity, the term “Black holes” entered our lexicon. In addition to a greater understanding, Black holes have been confirmed via indirect means and also photographed in the … Continue reading →

Posted in June 2023, Sidereal Times | Tagged , | Leave a comment

Before our universe and beyond

Posted on May 1, 2023 by ST Editors

by S. Prasad Ganti Two questions interested me since my early years. One is what happened before ?  Another is what lies beyond ? Scientific advances over the years have lighted these two paths to an extent. But the path … Continue reading →

Posted in May 2023, Sidereal Times | Tagged , | Leave a comment