Tag Archives: ganti

Cosmology and Exoplanets

Posted on November 4, 2019 by

by Prasad Ganti The Nobel prize in Physics for 2019 was announced for two separate advances. One was for Cosmology which moulded our view of the Universe over the last five decades. The second advance was the discovery of planets … Continue reading →

Posted in November 2019, Sidereal Times | Tagged | Leave a comment

India’s Moon Crash

Posted on October 1, 2019 by

by Prasad Ganti Millions of people across India watched the live coverage of the intended soft landing of the Vikram lander near the South pole of the moon on 7th September. It was past midnight. Things really went very well … Continue reading →

Posted in October 2019, Sidereal Times | Tagged , | Leave a comment

How Apollo flew to the Moon

Posted on September 3, 2019 by

by Prasad Ganti We were inundated with programs on Apollo during July, marking the 50th anniversary of Apollo 11’s landing on the moon. Plenty of information came to the fore. All filled with nostalgia. In addition to all the TV … Continue reading →

Posted in September 2019, Sidereal Times | Tagged | Leave a comment

The Green Bank Radio Telescope

Posted on August 6, 2019 by

by Prasad Ganti I drove for seven hours to see a radio telescope. Green Bank is in West Virginia, passing through a forest to reach a middle of nowhere valley surrounded by mountains. This is also an isolated place in … Continue reading →

Posted in Mid Summer 2019, Sidereal Times | Tagged | Leave a comment

Space Pioneers

Posted on June 2, 2019 by

by Prasad Ganti July 19, 2019 will mark the fiftieth anniversary of Neil Armstrong’s moon landing. In all, twelve men walked on the surface of the moon over the three year timesoan. And no one did it after that. The … Continue reading →

Posted in June 2019, Sidereal Times | Tagged | Leave a comment

The picture of a black hole

Posted on May 1, 2019 by

by Prasad Ganti In January 2019, I wrote an article on radio astronomy in which I mentioned a recent book titled “Einstein’s Shadow” by Seth Fletcher. The book talked about photographing black holes and why it is very difficult to … Continue reading →

Posted in May 2019, Sidereal Times | Tagged | Leave a comment

How vast is our Solar system ?

Posted on April 1, 2019 by

How vast is our solar system ? We know that the Sun is at the center of the solar system. How far does it extend ? The outer edge of the solar system has been extending since the ancient times … Continue reading →

Posted in April 2019, Sidereal Times | Tagged | Leave a comment

Were Apollo manned moon landings fake ?

Posted on March 3, 2019 by

by Prasad Ganti In a recent gathering of friends and family, this topic came up. There are some conspiracy theorists who believe that NASA faked the moon landings. The reasoning is that the enormous pressure during the cold war to … Continue reading →

Posted in March 2019, Sidereal Times | Tagged , | Leave a comment

New Horizons

Posted on February 2, 2019 by

by Prasad Ganti On the new year’s day, 2019, NASA’s New Horizons spacecraft passed the most distant object in our solar system, which any human made spacecraft came close to. This object is about four billion miles away from Earth, … Continue reading →

Posted in February 2019, Sidereal Times | Tagged | Leave a comment

Radio telescopes and the black hole

Posted on December 31, 2018 by

by Prasad Ganti Astronomy traditionally have been confined to seeing the light emitted by heavenly bodies. Nineteenth century discoveries proved that light is only a small part of the spectrum of what is known as electromagnetic radiation. It was found … Continue reading →

Posted in January 2019, Sidereal Times | Tagged | Leave a comment