Professor Mike Merrifield explains Lagrange Points.

posted by RFlagg 1 decade 1 year 9 months 1 week ago • 1,273 views • 8:55

YouTube Description: A huge crystal of calcite is used to demonstrate birefringence, a side-effect of light's refraction through certain materials. Featuring Professor Mike Merrifield.... continue reading

posted by Zifnab 1 decade 2 years 6 months 1 week ago • 856 views • 6:55

One of an ongoing series of videos about celestial objects from the Messier catalog, this one's about M104, the Sombrero Galaxy.

From YT: A dramatic collision of two moons may explain why our Moon is very much two-sided. Professor Mike Merrifield briefly discusses a recent paper in Nature. Check it out at http://www.nature.com/nature/journal... continue reading

posted by Skeeve 1 decade 3 years 6 months ago • 1,102 views • 4:24

From YT: Axial precession is the reason the Earth's axis has a long-term but quite dramatic "wobble", as explained here by Roger Bowley and Mike Merrifield.

posted by Skeeve 1 decade 3 years 6 months 4 weeks ago • 1,686 views • 7:57

Water on Mars and oxygen in the Orion Nebula - two recent news stories are discussed by Sixty Symbols astronomer Professor Mike Merrifield.

posted by Skeeve 1 decade 3 years 7 months ago • 1,607 views • 6:02

Professor Mike Merrifield talks about how all the stars of a galaxy move around at the same speed, which would make the the pretty spiral pattern impossible. He explains the "winding paradox" and how then... continue reading

posted by RFlagg 1 decade 3 years 8 months ago • 2,236 views • 7:43