Lecture 35: The Deserts of Mars

Having completed our tour of the Terrestrial Planets, we want to step back and compare their properties. In particular, we will wi review the processes that drive the evolution of their surfaces, their interiors, and their atmospheres. Recorded 2007 Nov 13 in 1000 McPherson Lab o ...  عرض المزيد

The Gas Giants Jupiter and Saturn are the largest planets in the Solar System. Internally they are deep, heavy Hydrogen/Helium atmospheres on top of dense rock/ice cores without solid surfaces. What we see in our telescopes are just the tops of the clouds. This lecture describes ...  عرض المزيد

There was a time when science and religion worked in harmony, as two parts of a celestial design. Astrologer and philosopher Johannes Kepler oversaw this marriage of theory and belief when he proposed the revolutionary laws of planetary motion in the early 17th century. Amidst pe ...  عرض المزيد

Melvyn Bragg and guests discuss the flow of particles from the outer region of the Sun which we observe in the Northern and Southern Lights, interacting with Earth's magnetosphere, and in comet tails that stream away from the Sun regardless of their own direction. One way of defi ...  عرض المزيد

Melvyn Bragg and guests discuss the pioneering Danish astronomer Tycho Brahe (1546 – 1601) whose charts offered an unprecedented level of accuracy.In 1572 Brahe's observations of a new star challenged the idea, inherited from Aristotle, that the heavens were unchanging. He went o ...  عرض المزيد

The sun is out, the weather is warm, and summer school is in session! Neil deGrasse Tyson, co-host Matt Kirshen, and astrophysicist Charles Liu answer fan-submitted questions on mathematics, the Big Bang, the laws of physics, neutrinos, relativity, Pluto, the smell of the Milk ...