Skyroot Aerospace unveils Dhawan 1

Skyroot Aerospace unveiled the Dhawan 1 cryogenic engine today. Skyroot Aerospace is a commercial launch vehicle service provider company based in Hyderabad. They hope to build a fleet of three small satellite launch vehicles called Vikram 1, Vikram 2 and Vikram 3. They hope to launch Vikram 1 in December 2021. Dhawan 1 is aContinue reading “Skyroot Aerospace unveils Dhawan 1”

A muted first anniversary for Chandrayaan 2

Arup Dasgupta writes in The Wire Science about the muted Chandrayaan 2 anniversary. This is quite contrary to the claim of the 95% mission success that ISRO spoke of at the time of the loss of lander and rover. I broadly agree with the point Dasgupta makes in the article but have a few reservationsContinue reading “A muted first anniversary for Chandrayaan 2”

Devleena @ Numer8

Episode 22 of the NewSpace India podcast had Narayan Prasad (NP) talking to Devleena about her company, Numer8. Numer8 is a Mumbai-based data science company that uses data obtained from Earth observation satellites to solve problems like disaster management, coastal community monitoring, infrastructure monitoring, wildlife, and biodiversity protection. The present episode of the podcast talkedContinue reading “Devleena @ Numer8”

Astrobiology in India

I stayed in Lonar between July 2018 and June 2019. I was aware of the geological interest that the meteorite crater there held for the scientific community. I did not know what interest it held for the astrobiology community. I had the first opportunity to learn more when Jyotirvidya Parisanstha (JVP) hosted a lecture byContinue reading “Astrobiology in India”

Planetary Radio on Asteroid Bennu descent

Asteroid Bennu is slated for a close encounter with Earth in 2175. It is expected to be the asteroid that has the most chance for a possible Earth impact over the next 200 years. Hence, it was selected for NASA’s OSIRIS-REx mission. Mat Kaplan at Planetary Radio sat down to discuss the mission with it’sContinue reading “Planetary Radio on Asteroid Bennu descent”

Article in Firstpost on India in Space in 2019

Way back in 2009, I had written an article for CNN-IBN Blog, about ISRO @ 40. Almost ten years later, I had the opportunity to write for Tech2, the Science and Technology supplement to Firstpost of Network 18. I wrote for them about looking back at 2019 through the two RISAT missions, the ups andContinue reading “Article in Firstpost on India in Space in 2019”


Drew Brisbin, an astronomer working in a desert in Chile has this thought experiment for us. Can we tap ionized particles in the interstellar medium as a way of exchanging momentum for propulsion? His answer was shared on Centauri Dreams in a post titled, SWIMMERs: A Thought Experiment on the Potential and Limitations of PropellantlessContinue reading “SWIMMERs”

Chandrayaan 2 Lander wreckage found

NASA’s Lunar Reconnaisance Orbiter (LRO) payload, Lunar Reconnaisance Orbiter Camera (LRO-C) released news early morning on December 3, 2019 that they had located wreckage of Vikram, the lander on India’s Chandrayaan 2 mission. The post credited the find to a Chennai based techie, Shanmuga Subramanian. Shanmuga located the wreckage by comparing images released by LRO-CContinue reading “Chandrayaan 2 Lander wreckage found”