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Ata Sarajedini

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Astronomy MinuteAstronomy MinuteWhy do We Study Astronomy?A brief description of why we study the nature of the Universe. We are mainly interested in gaining knowledge about the universe for the sake of the knowledge itself.2020-12-1601 minAstronomy MinuteAstronomy MinuteThe Universe as a Time MachineA brief description of how the finite speed of light can be used to our advantage - allowing us to look back in time to see the history of the Universe.2020-12-1101 minAstronomy MinuteAstronomy MinuteHow Old is the Universe, the Sun, and the Earth?A brief description of how old the universe is as compared with the ages of the Sun, the Earth, and how long Homo Sapiens have lived on the Earth.2020-12-1101 minAstronomy MinuteAstronomy MinuteWhat is a Light Year?A brief description of a light year - a unit of distance based on how far light travels in one Earth year.2020-12-0901 minAstronomy MinuteAstronomy MinuteWhat is Electromagnetic Radiation?A brief description of electromagnetic radiation - that is to say light - and how its wavelength, frequency, and energy are related.2020-12-0402 minAstronomy MinuteAstronomy MinuteWhat is Meant by the Hubble Flow?A brief description of the term Hubble Flow in astronomy. The universe is expanding on the largest scales, and this large-scale expansion of the Universe is known as the Hubble Flow.2020-12-0401 minAstronomy MinuteAstronomy MinuteWhat is a Blackbody Curve or Planck Curve?A brief description of Blackbody or Planck curves. In short, these curves tell us the brightness of stars of a certain temperature.2020-11-2902 minAstronomy MinuteAstronomy MinuteWhat is Precession of the Equinoxes?A brief description of the phenomenon known as Precession of the Equinoxes. 2020-11-2901 minAstronomy MinuteAstronomy MinuteWhat is Meant by the Signs of the Zodiac?A brief explanation of the zodiac and how it relates to the other constellations in the sky.2020-11-2501 minAstronomy MinuteAstronomy MinuteIs There Life Elsewhere in the Universe?A brief order-of-magnitude description of the probability of life elsewhere in the universe beyond earth.2020-11-2201 minAstronomy MinuteAstronomy MinuteHow Old is the Solar System?A brief description of two independent methods that give an age of 4.5 billion years old for the Solar System.2020-11-1702 minAstronomy MinuteAstronomy MinuteHow Did Our Galaxy Form?A brief description of how we think the Milky Way galaxy formed. Basically, it's a process whereby hundreds to thousands of low-mass dwarf galaxies collided and coalesced to form our our galaxy.2020-11-1401 minAstronomy MinuteAstronomy MinuteIs There Such a Thing as THE Dark Side of the Moon?A brief description of why there is no such thing as the dark side of the Moon.2020-11-0601 minAstronomy MinuteAstronomy MinuteWhat is Meant by Taxonomy in Science?A brief description of taxonomy in science and how it is used to classify objects that are similar to each other.2020-11-0601 minAstronomy MinuteAstronomy MinuteWhat are the Magellanic Clouds?A brief description of two dwarf galaxies known as the Large and Small Magellanic Clouds that are in orbit around own Milky Way galaxy .2020-11-0601 minAstronomy MinuteAstronomy MinuteWhat do I Need to Know About Isaac Newton?A brief description of Isaac Newton's contributions to science and mathematics. More information is available in the podcasts entitled “What are Newton’s Laws of Motion?” and “What is Newton’s Law of Universal Gravitation?”2020-10-2900 minAstronomy MinuteAstronomy MinuteWhat do I Need to Know About Galileo?A brief description of Galileo's contributions to astronomy.2020-10-2801 minAstronomy MinuteAstronomy MinuteThe Clockwork of the UniverseA brief description of how the motion of the Moon around the Earth, the Earth around the Sun, the Sun around the center of our galaxy, and the motion of the galaxy itself are like clockwork.2020-10-2802 minAstronomy MinuteAstronomy MinuteWhat do I Need to Know About Johannes Kepler?A brief description of Johannes Kepler's main contributions to astronomy. 2020-10-2800 minAstronomy MinuteAstronomy MinuteWhat do I Need to Know About Tycho Brahe?A brief description of Tycho Brahe's contributions to astronomy.2020-10-2600 minAstronomy MinuteAstronomy MinuteWhat do I Need to Know About Nicolaus Copernicus?A brief description of the basic contributions Nicolaus Copernicus made to the science of astronomy.2020-10-2601 minAstronomy MinuteAstronomy MinuteHow do We Know There are Planets Around Other Stars?A brief description of the techniques we use to detect the presence of planets orbiting around other stars besides the Sun. These techniques are known as Transit Photometry and Doppler Spectroscopy.2020-10-2101 minAstronomy MinuteAstronomy MinuteWhat is Meant by a Bell Curve?A brief description of the definition of a Bell Curve - also known as a Normal Distribution and a Gaussian Distribution; it is very important in the fields of statistics and probability.2020-10-1602 minAstronomy MinuteAstronomy MinuteWhat are Right Ascension and Declination?A brief description of Right Ascension and Declination and how they are used to locate objects in the sky.2020-10-1601 minAstronomy MinuteAstronomy MinuteWhat Causes the Phases of the Moon?A brief description of what causes the phases of the Earth's Moon. An animation/movie linked off of the web page helps to explain the podcast.2020-10-0501 minAstronomy MinuteAstronomy MinuteWhat Causes the Seasons on the Earth?A brief description of what doesn't cause the seasons and what we actually believe does cause them. There is also a graphic linked off the web page that helps explain this episode.2020-09-2901 minAstronomy MinuteAstronomy MinuteWhat is the Difference Between Precision and Accuracy?A brief description of the difference between precision and accuracy in astronomy.2020-09-2701 minAstronomy MinuteAstronomy MinuteWhat is Meant by an Order of Magnitude and a Logarithmic Scale?A brief description of what we mean when we say that two numbers differ by an order to magnitude. This includes a summary of what a Logarithmic is.2020-09-1602 minAstronomy MinuteAstronomy MinuteWhere are the Sun's Siblings?A brief description of why we expect the Sun to have been formed in a multiple star system and how we are searching for the other stars formed with it.2020-09-1400 minAstronomy MinuteAstronomy MinuteWhat is the Difference Between Random Errors and Systematic Errors?A brief description of the difference between random errors and systematic errors in science.2020-09-0901 minAstronomy MinuteAstronomy MinuteWhat is Meant by the Magnitude System?A brief description of the magnitude system in astronomy including the difference between apparent magnitude and absolute magnitude.2020-09-0401 minAstronomy MinuteAstronomy MinuteWhat is the Kelvin Temperature Scale?A brief description of the Kelvin temperature scale as compared with Fahrenheit and Celsius.2020-09-0101 minAstronomy MinuteAstronomy MinuteWhat are Comets and Meteor Showers?A brief description of what comets are and how they are responsible for meteor showers on the Earth.2020-09-0101 minAstronomy MinuteAstronomy MinuteWhat is the Cosmic Microwave Background?A brief description of the Cosmic Microwave Background (CMB) also known as the Primordial Background Radiation.2020-08-2701 minAstronomy MinuteAstronomy MinuteHow Do We Classify Stars?A brief description of how we classify stars based on their surface temperatures.2020-08-2502 minAstronomy MinuteAstronomy MinuteWhat is Meant by Hierarchical Clustering in Astronomy?A brief description of the concept of hierarchical clustering in astronomy.2020-08-2301 minAstronomy MinuteAstronomy MinuteWhat is the Interstellar Medium?A brief description of the main components of the interstellar medium, which is the stuff in space between the stars.2020-08-2301 minAstronomy MinuteAstronomy MinuteWhat is Meant by Tidal Forces?A brief description of what tidal forces refer to and why they are important in astronomy.2020-08-2102 minAstronomy MinuteAstronomy MinuteWhat is Newton's Law of Universal Gravitation?A brief description of Newton's Law of Universal Gravitation and its applicability.2020-08-2101 minAstronomy MinuteAstronomy MinuteWhat is the Copernican Principle?A brief description of the Copernican Principle.2020-08-2101 minAstronomy MinuteAstronomy MinuteWhat is Dark Energy?A brief description of Dark Energy, which is causing the acceleration of the Universe.2020-08-1801 minAstronomy MinuteAstronomy MinuteWhat is Gravitational Lensing?A brief description of what a gravitational lens is and how it works.2020-08-1301 minAstronomy MinuteAstronomy MinuteHow Do We Classify Galaxies?A brief description of how we classify galaxies using the Hubble Tuning Fork Diagram.2020-08-1301 minAstronomy MinuteAstronomy MinuteWhat do I Need to Know About the Planet Neptune?A brief description of some interesting facts about the planet Neptune.2020-08-1100 minAstronomy MinuteAstronomy MinuteWhat do I Need to Know About the Planet Uranus?A brief description of some interesting facts about the planet Uranus.2020-08-1101 minAstronomy MinuteAstronomy MinuteWhat do I Need to Know About the Planet Saturn?A brief description of some interesting facts about the planet Saturn.2020-08-1100 minAstronomy MinuteAstronomy MinuteWhat do I Need to Know About the Planet Jupiter?A brief description of some interesting facts about the planet Jupiter.2020-08-1100 minAstronomy MinuteAstronomy MinuteWhat do I Need to Know About the Planet Mars?A brief description of some interesting facts about the planet Mars.2020-08-0901 minAstronomy MinuteAstronomy MinuteWhat do I Need to Know About the Planet Venus?A brief description of some interesting facts about the planet Venus.2020-08-0901 minAstronomy MinuteAstronomy MinuteWhat do I Need to Know About the Planet Mercury?A brief description of some interesting facts about the planet Mercury.2020-08-0901 minAstronomy MinuteAstronomy MinuteWhat are the Different Types of Telescopes?A brief description of the different types of telescopes and the most important characteristic to consider when comparing them.2020-07-3002 minAstronomy MinuteAstronomy MinuteWhy is the Sky Blue?A brief explanation of why the sky is blue within the context of the Scientific Method as described in the episode "What is Science?"2020-07-2901 minAstronomy MinuteAstronomy MinuteWhat are Interstellar Reddening and Extinction?A brief explanation of interstellar reddening and extinction and why understanding their effects is important in astronomy.2020-07-2901 minAstronomy MinuteAstronomy MinuteHow Did the Earth's Moon Form?A very brief description of the Giant Impact Hypothesis that describes how the moon formed.2020-07-2900 minAstronomy MinuteAstronomy MinuteWhat do we Know About the Sun?A brief description of some of the things we know about the Sun.2020-07-2801 minAstronomy MinuteAstronomy MinuteWhat is Conservation of Angular Momentum?A brief description of angular momentum and how it is conserved in rotating systems that we encounter in astronomy.2020-07-2801 minAstronomy MinuteAstronomy MinuteWhat is the HR Diagram and the Main Sequence?A brief description of the Hertzsprung Russell (HR) Diagram and its primary feature known as the main sequence.2020-07-2701 minAstronomy MinuteAstronomy MinuteWhat is the Doppler Effect and Redshift?A brief description of the Doppler Effect and how it can be used to measure the motion of celestial objects toward (via blueshift) and away (via redshift) from us.2020-07-2401 minAstronomy MinuteAstronomy MinuteWhat is the Inverse Square Law of Light?A brief description of the inverse square law of light and how we use it to determine the distances of celestial objects.2020-07-2401 minAstronomy MinuteAstronomy MinuteWhat are Newton's Laws of Motion?A brief description of Isaac Newton's three laws of motion.2020-07-2401 minAstronomy MinuteAstronomy MinuteCan the Millennium Falcon Really do the Kessel run in 12 parsecs?A basic definition of the distance unit we call a Parsec.2020-07-2302 minAstronomy MinuteAstronomy MinuteDoes Science Prove Things?A brief description of how science does not prove things but rather provides evidence in favor of or against a particular theory.2020-07-2301 minAstronomy MinuteAstronomy MinuteHow do we know there is a black hole at the center of our galaxy?A description of the main piece of evidence supporting the hypothesis that there is a black hole at the center of our galaxy.2020-07-2301 minAstronomy MinuteAstronomy MinuteWhat are Kepler's Laws?A brief description of Kepler's Three Laws of Planetary Motion.2020-07-2301 minAstronomy MinuteAstronomy MinuteWhat are Active Galaxies?A basic description of an active galaxy and how it produces the energy that we observe from it.2020-07-2201 minAstronomy MinuteAstronomy MinuteHow Did the Solar System Form?A brief description of the Nebular Hypothesis which is believed to describe how the Solar System formed.2020-07-2102 minAstronomy MinuteAstronomy MinuteWhy Did I Create These Podcasts?A brief explanation of why I felt the need to create another podcast about astronomy.2020-07-2101 minAstronomy MinuteAstronomy MinuteWill Polaris Always be the North Star?A description of Precession of the Equinoxes which determines what the north star will be.2020-07-1902 minAstronomy MinuteAstronomy MinuteWhat Happened to Pluto Formerly Known as a Planet?A description of one of the main reasons why Pluto is no longer classified as a planet.2020-07-1901 minAstronomy MinuteAstronomy MinuteHow Do We Name Stars?A brief description of how astronomers refer to individual stars in the sky.2020-07-1701 minAstronomy MinuteAstronomy MinuteWhat is a Constellation?A brief description of what the ancients and modern astronomers call constellations.2020-07-1701 minAstronomy MinuteAstronomy MinuteWhat are Variable Stars?A brief description of the two very broad categories into which variable stars are classified.2020-07-1701 minAstronomy MinuteAstronomy MinuteWhat is Helioseismology?A description of what helioseismology is and how we can use it to determine the various properties of the Sun.2020-07-1501 minAstronomy MinuteAstronomy MinuteWhat do Astronomers do?A brief explanation of what professional astronomers actually do in their role of applying the scientific method to better understanding the Universe.2020-07-1401 minAstronomy MinuteAstronomy MinuteWhat is the Difference Between Astronomy and Astrophysics?What is the Difference Between Astronomy and Astrophysics? In a word, nothing!2020-07-1400 minAstronomy MinuteAstronomy MinuteHow do we use Light to Study the Universe?A brief description of the ways in which we analyze light to help us better understand the Universe.2020-07-1401 minAstronomy MinuteAstronomy MinuteWhat is the Solar System?A description of the basic constituents of the Solar System. 2020-07-1402 minAstronomy MinuteAstronomy MinuteWhat is Cosmology?A basic description of what cosmology is and the assumption we need to make in order to apply it to the universe.2020-07-1401 minAstronomy MinuteAstronomy MinuteWhat is Light?A basic explanation of our theory for how light, a.k.a. electromagnetic radiation, behaves.2020-07-1201 minAstronomy MinuteAstronomy MinuteWhat is the Big Bang?A brief description of the Big Bang Theory and one of its primary predictions.2020-07-1201 minAstronomy MinuteAstronomy MinuteWhat is Dark Matter?A brief description of how we know dark matter exists.2020-07-1001 minAstronomy MinuteAstronomy MinuteWhat are M-numbers and NGC-numbers?An explanation of what M-numbers and NGC-numbers mean and represent in astronomy.2020-07-1002 minAstronomy MinuteAstronomy MinuteWhat is a Galaxy?A brief description of a galaxy and a cluster of galaxies.2020-07-1001 minAstronomy MinuteAstronomy MinuteWhat is a Nebula?A brief description of the 4 types of nebula we have identified in astronomy.2020-07-1002 minAstronomy MinuteAstronomy MinuteWhat is a Star Cluster?A description of the different kinds of star clusters and their properties.2020-07-1002 minAstronomy MinuteAstronomy MinuteHow do Stars Form?A brief description of the process by which "A Star is Born."2020-07-1001 minAstronomy MinuteAstronomy MinuteWhere do the Chemical Elements Come From?A brief description of the origin of the chemical elements seen in the periodic table.2020-07-1001 minAstronomy MinuteAstronomy MinuteWhat is a Brown Dwarf?A brief description of what a brown dwarf is and how it's formed.2020-07-0901 minAstronomy MinuteAstronomy MinuteWhat is Science?A brief description of what science is and how it works.2020-07-0901 minAstronomy MinuteAstronomy MinuteHow do we measure distances in Astronomy?A very brief description of how we measure distances of celestial objects. This is truly a 30,000 foot view of a very complicated subject. 2020-07-0901 minAstronomy MinuteAstronomy MinuteWhat is a Quasar?A brief description of what a quasar is and what we think they represent.2020-07-0901 minAstronomy MinuteAstronomy MinuteAstronomy is a Science of ExtremesThis episode explains how astronomy is a science of extremes.2020-07-0801 minAstronomy MinuteAstronomy MinuteWhat is the Celestial Sphere?A brief description of the celestial sphere and how astronomers precisely locate objects in the sky.2020-07-0702 minAstronomy MinuteAstronomy MinuteWhat is a Black Hole?A brief description of the basic property of a black hole.2020-07-0601 minAstronomy MinuteAstronomy MinuteWhat is a Pulsar?A brief description of the basic definition and properties of a pulsar.2020-07-0601 minAstronomy MinuteAstronomy MinuteHow do Stars Die?A brief description of what happens to stars when they reach the end of their lives.2020-07-0301 minAstronomy MinuteAstronomy MinuteHow do Stars Evolve?A description of how stars live their lives and evolve with a little about how they end their lives.2020-07-0301 minAstronomy MinuteAstronomy MinuteWhat is a Supernova?A brief description of a supernova.2020-07-0301 minAstronomy MinuteAstronomy MinuteWhat is a Nova?A concise description of novae and what causes them to occur.2020-07-0301 minAstronomy MinuteAstronomy MinuteWhat is Astronomical Vocabulary?A description of how astronomers use everyday language to refer to the objects they are studying.2020-07-0302 min