To achieve the spatial distribution of stars in a Globular Cluster, as has been observed, a black hole fraction of 22% is necessary.
Globular clusters are fascinating astronomical objects composed of densely packed groups of stars. They are distinct from open clusters, which typically contain a few hundred stars, as globular clusters can host hundreds of thousands to millions of stars.
Rheology is the branch of physics that studies the deformation and flow of matter. It applies to materials such as liquids, gases, and solids, and it plays an essential role in fields such as engineering, geology, and materials science. Rheological properties include viscosity, elasticity, plasticity, and viscoelasticity, which determine how a material responds to different stresses and strains.
Helen Czerski is a British physicist and oceanographer and television presenter.
Helen Czerski was born November 01, 1978, raised in Altrincham, Greater Manchester, England, and educated at Altrincham Grammar School for Girls. She graduated from the University of Cambridge as a Churchill College, Cambridge student.
Some ideas to help you celebrate the day: Place a Newton ornament on the tree. Discuss the merits of calculus over the dinner table. Use a telescope to view the night sky. Drop some unwanted gifts off the top of a tall building to test the theory of gravity.
If you don’t celebrate Christmas or want an additional holiday, I might suggest Newtonmas. Sir Isaac Newton was born on December 25, 1642. This would be perfect for public schools that don’t allow religion-based ideas. I mean, look at that hair, he looks like he’s ready to start partying!
The four fundamental forces act upon us every day, whether we realize it or not.
There are four fundamental forces at work in the universe; the strong force, the weak force, the electromagnetic force, and the gravitational force. The one we are all familiar with, the one that keeps us from floating off into space as we walk around, gravity is the weakest of the four. How can that be? Let’s see:
She adventures into the physical sciences with experiments, demonstrations, and cool new discoveries.
Dianna Cowern has a physics degree from MIT, was a research fellow at the Harvard-Smithsonian Center for Astrophysics, and was an outreach coordinator at the University of California at San Diego’s Center for Astrophysics and Space Sciences research unit. While an app developer at GE she made her first science videos.
Dr. Jessica Victoria Bloom has a Ph.D. in Astrophysics from the University of Sydney – studying galaxy mergers and their impact on galaxy evolution. Jessica is particularly interested in physics outreach and communicating complex science to the general public. Jessica taught Physics at the University of Sydney and was Astronomer in Residence at Uluru, leading star tours.