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Episode 103 -Observing the Solar System with the JWST

By Gurbir Dated: October 21, 2022 Leave a Comment

The James Webb Space Telescope has already wowed astronomers and the general public with some incredibly spectacular deep space images. But did you know, NASA has set aside a substantial number of hours for JWST to observe the objects in the solar system? What’s more that programme kicks in this autumn so some images of planets and their moons along with asteroids and comets will be published before the end of this year.

Dr Connr Nixon

A team of astronomers including planetary scientist Dr Connor Nixon will make use of the Guaranteed Time Observations (GTO) to observe the objects in the solar system from Mars and beyond. JWST cannot look towards the Sun so excludes the Earth, Venus or Mercury. The program is led by Dr. Heidi B. Hammel.

In this interview recorded in July during COSPAR2022 in Athens, Connor Nixon talks about the GTO and his role in it looking at Titan.

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Episode 102 – Martian Geology with Prof Sanjeev Gupta

By Gurbir Dated: October 14, 2022 Leave a Comment

In 1972, Harrison Schmitt became the first (and so far only), scientist to walk on the surface of the Moon. As a practising geologist, he brought a scientific perspective to understanding lunar geology. Since then many scientists have brought their scientific insights to understanding the surfaces of comets, asteroids, the planets in the solar system and their moons.

Professor Sanjeev Gupta

Professor Sanjeev Gupta is amongst the geologist helping to understand the martian surface today. Not from field trips to the martian surface but from data returned by martian landers, rovers and orbiters. In this interview recorded in July during COSPAR2022 in Athens, he describes his journey from revealing how the United Kingdom became an island to making sense of martian geology.

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Episode 99 Professor Stamatios Krimigis – Exploring the Solar System with Voyager

By Gurbir Dated: September 9, 2022 Leave a Comment

This episode was recorded in Athens in July 2022 during Cospar 2022 and he speaks about his remarkable career guided in large part by his mentor, physicist James Van Allen.

Professor Stamtios Krimigis

He started studying physics at the University of Minnesota in the same month that Sputnik was launched. A chance meeting with James van Allen led Stamatios Krimigis to build instruments for Mariner 3 and 4. Eventually assigned as the Principle Investigator for the charged particle instrument on the voyager program which was initially known as Mariner Jupiter Saturn 77 program.

It is released today to mark his 84th birthday tomorrow on September 10th. Audio and youtube video below.

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Episode 93: Exploring the surface of Titan

By Gurbir Dated: January 14, 2021 Leave a Comment

Prof. John Zarnecki

In the early hours of Christmas day 2004, a small probe called Huygens separated from larger spacecraft Cassini. Three weeks later on 14 January it descended through Titan’s atmosphere to make the most distant soft landing in the solar system to date. Huygens transmitted data during its 136 minute descent through the thick atmosphere and a further 130m minutes from the surface until Cassini disappeared below the horizon.

Prof. John Zarnecki was the principal investigator for the UK based team that built the instruments that first made contact on the surface of Titan, Saturn and the solar system’s largest Moon.

In this conversation, recorded in December 2020, prof. Zarnecki recalls the how the mission came about, the science Huygens revealed at the time and today, a decade and a half later. Cassini-Hugens was a joint mission between NASA and ESA. He also shares his views on the value of international collaboration in space.

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A video of this interview is available on Youtube.

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