NASA's newest X-ray telescope will have a lengthy structure that unfolds in space, allowing it to see high-energy objects like feeding black holes.
From playlist NuSTAR
Astronomy - Ch. 7: The Solar Sys - Comparative Planetology (15 of 33) Planet Orbital Eccentricity
Visit http://ilectureonline.com for more math and science lectures! In this video I will discuss the various orbital eccentricities of the planets in our Solar System. Next video in this series can be seen at: http://youtu.be/igAZ0bSyi2c
From playlist ASTRONOMY 7B THE SOLAR SYSTEM - COMPARATIVE PLANETOLOGY
Teach Astronomy - Orbit Eccentricity
http://www.teachastronomy.com/ Orbital eccentricity is the amount by which an orbit deviates from a circle. Mathematically it's defined as the distance between the two foci of an elliptical orbit divided by the major axis. A circle has an ellipticity, denoted by the little symbol "e", of
From playlist 10. The Solar System
NISAR: Watching the Earth Move Under Our Feet (NASA-ISRO mission video)
The joint U.S.-Indian NISAR satellite mission will use radar to observe a wide range of Earth processes, from the flow rates of glaciers and ice sheets to the dynamics of earthquakes and volcanos. NISAR can image Earth’s land masses at night and through clouds and will allow scientists to
From playlist Earth
月周回衛星「かぐや」のHDTVが観測したオリエンタレ・ベイスン (C)JAXA/NHK
From playlist Earth's place in Solar System - Jaxa
0:00 Zooming out from the orbit of Neptune, we see the six aligned objects, and how they fall within the same plane 00:38 Planet Nine is required to be anti-aligned to these objects, but shares the same plane. 00:56 The presence of Planet Nine also forces objects into orbits that are per
From playlist Our Research
Solar System 101 | National Geographic
How many planets are in the solar system? How did it form in the Milky Way galaxy? Learn facts about the solar system’s genesis, plus its planets, moons, and asteroids. ➡ Subscribe: http://bit.ly/NatGeoSubscribe #NationalGeographic #SolarSystem #Educational About National Geographic: Nat
From playlist News | National Geographic
The Strange Orbit of HR 5183 b
This illustration compares the eccentric orbit of HR 5183 b to the more circular orbits of the planets in our own solar system. Image credit: W. M. Keck Observatory/Adam Makarenko More info: https://www.caltech.edu/about/news/newly-discovered-giant-planet-slingshots-around-its-star
From playlist Our Research
Gravitation (8 of 17) Geosynchronous and Geostationary Orbits
Explains the difference between geosynchronous and geostationary orbits. Shows how to calculate the height above the Earth's surface needed to achieve a geosynchronous orbit. A geosynchronous orbit is an orbit around the Earth for a satellite so that the orbital period of the satellite ma
From playlist Gravitation: Orbital Velocity, Orbital Period, Potential Energy, Kinetic Energy, Mass and Weight
Geometric deformations of orthogonal and symplectic Galois representations - Jeremy Booher
Jeremy Booher Stanford University November 19, 2015 https://www.math.ias.edu/seminars/abstract?event=87395 For a representation of the absolute Galois group of the rationals over a finite field of characteristic p, we would like to know if there exists a lift to characteristic zero with
From playlist Joint IAS/PU Number Theory Seminar
Categorical non-properness in wrapped Floer theory - Sheel Ganatra
Joint IAS/Princeton/Montreal/Paris/Tel-Aviv Symplectic Geometry Topic: Categorical non-properness in wrapped Floer theory Speaker: Sheel Ganatra Affiliation: University of Southern California Date: April 02, 2021 For more video please visit http://video.ias.edu
From playlist Mathematics
New isolated symplectic singularities with trivial fundamental group - Daniel Juteau
Workshop on Representation Theory and Geometry Topic: New isolated symplectic singularities with trivial fundamental group Speaker: Daniel Juteau Affiliation: CNRS, Université Paris Diderot; Member, School of Mathematics Date: March 31, 2021 For more video please visit http://video.ias.e
From playlist Mathematics
Ville Salo: Nilpotent endomorphisms of expansive group actions
We say a pointed dynamical system is asymptotically nilpotent if every point tends to zero. We study group actions whose endomorphism actions are nilrigid, meaning that for all asymptotically nilpotent endomorphisms the convergence to zero is uniform. We show that this happens for a large
From playlist Dynamical Systems and Ordinary Differential Equations
Modular Perverse Sheaves on the affine Flag Variety - Laura Rider
Virtual Workshop on Recent Developments in Geometric Representation Theory Topic: Modular Perverse Sheaves on the affine Flag Variety Speaker: Laura Rider Affiliation: University of Georgia Date: November 16, 2020 For more video please visit http://video.ias.edu
From playlist Virtual Workshop on Recent Developments in Geometric Representation Theory
Ana Balibanu: The partial compactification of the universal centralizer
Abstract: Let G be a semisimple algebraic group of adjoint type. The universal centralizer is the family of centralizers in G of regular elements in Lie(G), parametrized by their conjugacy classes. It has a natural symplectic structure, obtained by Hamiltonian reduction from the cotangent
From playlist Algebra
Higgs bundles and higher Teichmüller components (Lecture 2) by Oscar García-Prada
DISCUSSION MEETING : MODULI OF BUNDLES AND RELATED STRUCTURES ORGANIZERS : Rukmini Dey and Pranav Pandit DATE : 10 February 2020 to 14 February 2020 VENUE : Ramanujan Lecture Hall, ICTS, Bangalore Background: At its core, much of mathematics is concerned with the problem of classif
From playlist Moduli Of Bundles And Related Structures 2020
Anthony Henderson: Hilbert Schemes Lecture 4
SMRI Seminar Series: 'Hilbert Schemes' Lecture 4 Kleinian singularities 1 Anthony Henderson (University of Sydney) This series of lectures aims to present parts of Nakajima’s book `Lectures on Hilbert schemes of points on surfaces’ in a way that is accessible to PhD students interested i
From playlist SMRI Course: Hilbert Schemes
Differential Isomorphism and Equivalence of Algebraic Varieties Board at 49:35 Sum_i=1^N 2/(x-phi_i(y,t))^2
From playlist Fall 2017
Equidistribution of Unipotent Random Walks on Homogeneous spaces by Emmanuel Breuillard
PROGRAM : ERGODIC THEORY AND DYNAMICAL SYSTEMS (HYBRID) ORGANIZERS : C. S. Aravinda (TIFR-CAM, Bengaluru), Anish Ghosh (TIFR, Mumbai) and Riddhi Shah (JNU, New Delhi) DATE : 05 December 2022 to 16 December 2022 VENUE : Ramanujan Lecture Hall and Online The programme will have an emphasis
From playlist Ergodic Theory and Dynamical Systems 2022
Volcanoes: NISAR’s Portal into Earth’s Interior
By tracking subtle changes in Earth’s surface, NISAR will spot warning signs of imminent volcanic eruptions. Monitoring these kinds of changes in the planet’s surface over nearly the entire globe hasn’t been done before with the high resolution in space and time that NISAR will deliver.
From playlist Earth