Galactic evolution - PowerPoint PPT Presentation


Understanding AGN Jet Production Efficiency: Insights from Spin and Magnetic Flux

A fundamental question in astrophysics is how efficiently active galactic nuclei (AGN) produce jets. Black hole spin and magnetic flux play crucial roles in determining the jet production efficiency. High-spin values and large magnetic flux threading are essential for generating high-efficiency jets

2 views • 22 slides


Evolution and Plant Systematics Lecture Overview

This lecture outline delves into the concepts of evolution, unity, and diversity of organisms on Earth, covering topics such as fossils, Lamarck and Darwin's theories, adaptation, natural selection, artificial selection, Carolus Linnaeus' systematics, plant evolution, and the demonstration of evolut

5 views • 26 slides



Critique of Unilinear Cultural Evolution Models

The drawbacks of unilinear cultural evolution models are explored, focusing on the assumption that all cultures follow a single linear path of development. Issues such as the emphasis on material culture, overlooking of other cultural aspects, and the ethnocentric perspective towards Western culture

16 views • 17 slides


Understanding Phylogeny and Evolution in Angiosperms

Phylogeny is the study of evolutionary relationships among organisms, depicted in phylogenetic trees based on shared characteristics. This overview delves into terms like homology, analogy, monophyly, and co-evolution in angiosperms with an emphasis on taxonomy, systematics, and the evolutionary his

1 views • 25 slides


Evolution of the Universe: From Big Bang to Galactic Recycling

380,000 years after the Big Bang, the Universe transitioned from a plasma to a gas, leading to the formation of atoms. Gravity caused gas clumps to form galaxies, stars, and other celestial bodies. The life cycles of stars play a crucial role in recycling material back into the inter-stellar medium,

1 views • 38 slides


Evolution of Modern State: Three Macro-Patterns Explored

The evolution of the modern state is influenced by three key macro-patterns: War and Militarism, Emergence of Capitalism, and Struggle for Citizenship. These patterns involve deep processes of change over long periods, contributing to the development of modern liberal democratic states. War and Mili

0 views • 13 slides


Exploring Fascinating Topics in Astrophysics

Delve into intriguing subjects like Galactic Rotation Curves, Mass to Luminosity Ratio, Low Surface Brightness Galaxies, Dark Matter Haloes, and the Bullet Cluster. Discover how observations and Big Bang nucleosynthesis help us understand dark matter in the universe.

1 views • 10 slides


The Interstellar Dust Hypothesis of Otto Schmidt Explained

Russian scientist Otto Schmidt proposed the Interstellar Dust Hypothesis in 1943 to explain the origin of the solar system and Earth. According to this hypothesis, gas and dust particles from the universe formed our solar system. The dark matter in the form of gas and dust clouds played a crucial ro

3 views • 5 slides


Unveiling Galactic Excess in Gravitational-Wave Bursts

Investigate the presence of a galactic source emitting gravitational waves within the LIGO frequency range and develop techniques to detect and identify these signals. Employ simulations to differentiate between isotropic and galactic event distributions, aiming to enhance our understanding of the o

0 views • 30 slides


The Cosmic Radio Background: Unraveling an Enigma

Delve into the mysteries of the cosmic radio background through discussions on isotropic radio skies, Galactic monopoles, extragalactic components, and limitations on magnetic fields. Explore the complexities of synchrotron emissions and their implications in understanding the universe.

3 views • 21 slides


VLASS Sky Survey and Galactic Science Highlights

The January 2016 AAS meeting discussed the VLASS Sky Survey, highlighting survey parameters, science drivers, and the potential for new discoveries in galactic science. Key topics included multiwavelength imaging, Faraday tomography, AGN and galaxy evolution studies, and the search for exotic system

2 views • 9 slides


Co-Evolution of Galaxies and AGN with Next-Gen Radio Surveys: Insights and Prospects

Understanding the co-evolution of galaxies and active galactic nuclei (AGN) through next-generation radio surveys is crucial for advancing astrophysical knowledge. These surveys offer a comprehensive view of star formation, AGN activity, and AGN feedback mechanisms. The quest for multi-band informat

0 views • 18 slides


GOES-18 SEISS Solar Galactic Proton Sensor Product Validation Review

GOES-18 SEISS SGPS L1b product is undergoing provisional maturity testing by the GOES-R Calibration Working Group. The review includes evaluation of product quality, supporting instruments, health tests, and path to full validation. Users are responsible for inspecting and utilizing the preliminary

0 views • 39 slides


Unveiling Dark Matter Mysteries Through Dark Photons

Delve into the exploration of dark matter through the lens of dark photons in the galactic center and detectors. Uncover the enigmatic nature of dark matter, its interactions, existing constraints, and our model with fermionic dark matter and a dark photon mediator. Discover strategies to evade cons

0 views • 18 slides


Understanding Active Galactic Nuclei and Black Hole Mass Measurements

Exploring active galactic nuclei (AGN) through reverberation mapping techniques to measure black hole masses, observing AGN schematics, ultraviolet-optical AGN spectra, and methods for measuring masses in space. Delve into the current understanding of AGN fields, the future prospects, and ongoing re

0 views • 30 slides


Exploring Cosmic Ray Sources Using Gamma-Ray Emission Data

This study focuses on investigating ultrahigh energy cosmic ray (UHECR) sources by analyzing extragalactic diffuse gamma-ray emission data. Techniques such as examining UHECR mass composition and arrival directions, as well as studying interactions with cosmic microwave and extragalactic background

0 views • 16 slides


Galactic Alliance Mission: Advanced Energy Vehicle for Remote Planetary Operations

Team F presents their Advanced Energy Vehicle project for the Galactic Alliance's mission to transport R2D2 units on remote planets efficiently. The project focuses on energy management, operational efficiency, and consistency while overcoming challenges like limited power supply. Learn about the te

0 views • 14 slides


Evolution of Compact Star-Forming Galaxies and Quiescent Galaxies

The evolution of galaxies from compact star-forming to quiescent states involves processes such as secular evolution, gas inflows, and star formation quenching. By studying the structural relations and star formation in these galaxies, insights are gained into their transition towards quiescence. Th

0 views • 12 slides


Metal-Rich Field RR Lyrae Stars and Galactic Evolution

Metal-rich field RR Lyrae (RRab) stars, distinct from cluster RR Lyrae stars, play a significant role in Galactic evolution due to their unique characteristics. With periods around 0.4 to 1 day, these old stars with sawtooth light curves are found to have a disk-like distribution and kinematics. The

0 views • 24 slides


Exploring Star Formation and Stellar Phenomena in Our Galaxy

Delve into the fascinating realms of high mass star formation, stellar winds, planetary nebulae, and active stars through the VLASS Galactic Science project. This initiative leverages cutting-edge surveys like GLIMPSE and CORNISH to unlock the secrets of star birth, evolution, and their impact on th

0 views • 8 slides


The Scopes Monkey Trial: Clash of Cultures and Evolution Debate

Following World War I, the Scopes Monkey Trial in Tennessee marked a pivotal clash between urban and rural cultures over the teaching of evolution. The trial, prosecuted by William Jennings Bryan and defended by Clarence Darrow, resulted in teacher John Scopes being found guilty of violating the ant

0 views • 9 slides


Exploring the Universe: X-Ray Surveys with Space Observatory

Delve into the fascinating world of X-ray surveys conducted by the Space Observatory at Khyung Hee University. Learn about the significance of X-ray surveys in detecting emission from hot regions of the Universe, minimizing errors in redshift measurements, extending the sample to higher redshifts, a

0 views • 16 slides


Properties of Ionized Outflows in MaNGA DR2 Galaxies

The evolutionary path of galaxies is marked by gas reservoirs that fuel star formation and feed supermassive black holes, influenced by feedback processes such as galactic outflows. This study analyzes ionized outflows in MaNGA DR2 galaxies, focusing on data samples, spectral fitting, and sample sel

0 views • 15 slides


Insights on Double Neutron Star Formation in Our Galaxy

Detailed examination of the formation of double neutron stars in the Milky Way Galaxy, exploring various merging channels, uncertainties in binary evolution, and models compatible with gravitational wave observations. Emphasis on testing and constraining models with Galactic double neutron stars.

0 views • 18 slides


Understanding Cosmic Ray Research: The Mysterious Knee in the Energy Spectrum

The energy spectrum of cosmic rays displays a unique power law behavior with distinct features such as the knee and the ankle. The knee, observed at around 3 PeV, marks a change in the spectral index. Various theories have been proposed to explain the origin of the knee, with suggestions ranging fro

0 views • 70 slides


Rules and Practices for Software Evolution Support

This content focuses on the importance of rules and practices to support software evolution, addressing challenges, benefits, and impact on ecosystems. It emphasizes the need for system-specific rules, automatic extraction of conventions, and client support. The evolution of software is highlighted

0 views • 65 slides


Review of GOES-16 SEISS EHIS L1b Product Maturity

This review focuses on the Peer Stakeholder-Product Validation for the full maturity assessment of the GOES-16 SEISS EHIS L1b Product. It includes an overview of the EHIS, anomalies, resolution status, and recommendations. The Energetic Heavy Ion Sensor aims to measure solar energetic particles and

0 views • 50 slides


Implications of Star Formation in the Central Parsec of Our Galaxy with Subaru Observations

Researchers presented implications of star formation in the central parsec of our Galaxy using Subaru observations at the 2014 Subaru Users Meeting. The study focused on the supermassive black hole Sgr A* and the challenges posed by conditions in the Galactic Center for star formation. Various scena

0 views • 30 slides


Software Evolution: Managing Change and Evolution in Organizational Systems

Software evolution is an essential process for organizations to maintain the value of their critical business assets. It involves adapting to new requirements, addressing errors, and enhancing performance. The majority of software budgets in large companies are dedicated to evolving existing systems

0 views • 61 slides


Darwin and the Theory of Evolution: A Comprehensive Overview

Darwin's Theory of Evolution encompasses the concepts of organisms changing over time and life evolving through natural selection. Influenced by scientists such as James Hutton, Jean Baptiste Lamarck, and Alfred Russel Wallace, Darwin's theory culminates in the idea of evolution by natural selection

0 views • 9 slides


Understanding Evolution: Key Concepts and Perspectives

Explore the concepts of Darwinian evolution, evidence for evolution, Darwin's theory, and the Modern Synthesis. Delve into the spiritual versus intellectual perspectives, the diversity of religious affiliations globally, and the compatibility of faith and science in understanding the natural world a

0 views • 91 slides


Unveiling the Cosmic Evolution: A Journey Through Galaxies, Stars, and Empty Space

Delve into the intricate story of the universe's evolution from its hot dense origins to the vast cosmic web of stars and galaxies. Explore questions on stellar birth rates, interstellar medium influences, and the role of dark energy. Follow the journey of three students working on the Cosmic Evolut

0 views • 30 slides


Advanced Emission Line Pipeline for Stellar Kinematics Analysis

This comprehensive pipeline includes processes for stellar kinematics, continuum fitting, Gaussian line fitting, and analysis of SAMI-like cubes. It also covers Gaussian fitting techniques, parameter mapping, and potential issues. The pipeline features detailed steps and strategies for accurate anal

0 views • 10 slides


SARA Conference 2020 Sections Update and Initiatives

The SARA Conference 2020 Sections Update presents a detailed agenda focusing on the purpose, organization, volunteering opportunities, section coordinators, and collaboration with various organizations. The update emphasizes structuring SARA similar to other national and professional organizations,

0 views • 10 slides


Object-Oriented Python Code for WIMP Direct Detection Signals

Calculating signals for Weakly Interacting Massive Particle (WIMP) direct detection using an object-oriented Python code called WimPyDD. WimPyDD provides accurate predictions for expected rates in WIMP direct detection experiments within the framework of Galilean invariant non-relativistic effective

0 views • 24 slides


Understanding Evolution: Key Concepts and Perspectives

Explore the key concepts of Darwinian evolution, including evidence for evolution, Darwin's theory, and the Modern Synthesis. Reflect on the relationship between spiritual and intellectual perspectives, emphasizing that different ways of thinking can complement each other. Discover the diversity in

0 views • 91 slides


Visualizing Ontology Evolution for Improved Knowledge Management

Ontologies are dynamic entities that evolve over time, impacting semantically-enabled applications and knowledge acquisition. This work focuses on identifying desired functionalities for ontology evolution systems, highlighting the steps involved in ontology evolution, and emphasizing the importance

0 views • 16 slides


Nuclear Data Needs for Future Space Exploration

The future of space exploration requires extensive nuclear data for shielding against Galactic Cosmic Rays (GCR) that pose challenges due to their high energy. Transport codes like FLUKA, PHITS, and GEANT4 play crucial roles in simulating shielding applications. There is a need for comprehensive dat

0 views • 7 slides


Evolution of Indo-European Languages through Phylogeny Estimation

Explore the evolution of Indo-European languages through phylogeny estimation under a model of linguistic character evolution. Follow the Computational Historical Linguistics Project's collaboration that began in 1994, leading to the development of methods and studies on homoplasy-free evolution and

0 views • 61 slides


Exploration Telepresence: Advancements in Space Mission Concepts and Human-Robotic Development

Delve into the world of space exploration telepresence with panelists Dan Lester, Mark Lupisella, and Kelsey Young, as they discuss their groundbreaking work in galactic star formation, human exploration systems, and geological sciences. Learn about their contributions to NASA's strategic roadmaps,

0 views • 8 slides