Tag Archives: ganti

The Rise of The Twin

Artemis, the twin sister of Apollo, rises after five decades. The recent Artemis mission is NASA’s attempt to send astronauts back to the moon after a lapse of five decades. Continue reading

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

The ARIES Telescopes

by S. Prasad Ganti Very powerful ground based optical telescopes are found mostly in Chile and Hawaii. Some in the Canary Islands. There is an observatory nestled in the foothills of Himalayas in an Indian town called Nainital. Called ARIES … Continue reading

Posted in December 2022, Sidereal Times | Tagged , , , | Leave a comment

DART and Impact

by S. Prasad Ganti For the first time in human history, we sent a spacecraft and jammed it into a space rock and the trajectory of that piece got nudged as a result. It was a great attempt and a … Continue reading

Posted in November 2022, Sidereal Times | Tagged , , | Leave a comment

Dr. Maarten Schmidt and Quasars

by S. Prasad Ganti Eminent astronomer Dr. Maarten Schmidt passed away recently. His greatest discovery was an esoteric astronomical object called a Quasar. He appeared on the cover of the Time magazine in 1967 for brilliantly solving a part of … Continue reading

Posted in October 2022, Sidereal Times | Tagged , , | Leave a comment

The Southern Skies

by S. Prasad Ganti Some stars, constellations and galaxies are visible from the northern hemisphere which are not visible or barely visible from the southern hemisphere. Likewise, some stars, constellations and galaxies are unique to the skies as seen from … Continue reading

Posted in September 2022, Sidereal Times | Tagged , , , | Leave a comment

From Hubble to the Webb Space Telescope

by S. Prasad Ganti The first pictures from the James Webb telescope were released recently. The prize comes after decades of hard work by thousands of scientists and engineers and billions of dollars of cost overruns. In the end it … Continue reading

Posted in Mid-summer 2022, Sidereal Times | Tagged , , | Leave a comment

Plasma And Heat Shields

by S. Prasad Ganti Every year between January and March, there is a series of “Science on Saturday” lectures at the Princeton Plasma Physics Laboratory.  These lectures have been virtual for the past two years due to the pandemic. Nevertheless, … Continue reading

Posted in May 2022, Sidereal Times | Tagged , | Leave a comment

The Sun Scientist

by S. Prasad Ganti My tribute to Dr. Eugene Parker, who passed away a few days back. He was a pioneer in the studies of the Sun. His ideas were rejected initially and later gained strength on the finding of … Continue reading

Posted in April 2022, Sidereal Times | Tagged , | Leave a comment

Johnson Space Center

by S. Prasad Ganti On a recent trip to Houston, Texas to attend a friend’s daughter’s wedding, I took the opportunity to visit the Johnson Space Center. It was a good tour of the facility with some space exhibits and … Continue reading

Posted in March 2022, Sidereal Times | Tagged , | Leave a comment