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FAS Astronomers Blog

Click on image above for more details (Image Credits: NASA, JHAPL/Alex Parker, Event Horizon Telescope Collaboration, ESA and the Planck Collaboration).

The FAS Astronomers Blog is a series of discussions about science, astronomy, the universe, and more.
It replaced the Young Astronomers Blog and Young Astronomers Newsletter.

Editors
Bruce Gavett (2020 – present) Young Astronomers Blog / FAS Astronomers Blog
Bob Patsiga (Dec 2015 – 2019) Young Astronomers Newsletter
Art Gormely (1993 – Nov 2015) Young Astronomers Newsletter

Archive of past blogs and newsletters

Most Recent Blogs

  • Meteors, Meteoroids, and Meteorites

    Young Astronomers Blog, Volume 28, Number 17. (Updated April 2025). Have you ever gone out at night and looked up at the stars? From time…

    August 10, 2020
  • Journey to a Red Planet

    Young Astronomers Blog, Volume 28, Number 16. From time to time if you look up into the night sky, you might see an orangish/reddish object.…

    July 29, 2020
  • Dark Matter

    Young Astronomers Blog, Volume 28, Number 15. In a previous article, I explored the standard model of particle physics and discussed what ordinary matter is…

    July 12, 2020
  • Leap Year, the Solstice, and Seasons

    Young Astronomers Blog, Volume 28, Number 14. As we go through the year, we notice that our weather changes. For those of us who live…

    June 22, 2020
  • Venus

    Young Astronomers Blog, Volume 28, Number 13. Often when you look up into the night sky you will find a bright object low in the…

    June 4, 2020
  • Going Commercial

    Young Astronomers Blog, Volume 28, Number 12. In 1958, The National Aeronautics and Space Administration was formed. NASA is a civilian agency responsible for overseeing…

    May 21, 2020
  • The Standard Model of Particle Physics

    Young Astronomers Blog, Volume 28, Number 11. I thought we would take a different view of the Universe than most astronomers do and explore what…

    May 10, 2020
  • The Great Debate

    Young Astronomers Blog, Volume 28, Number 10. We live in a galaxy called the Milky Way. Our galaxy is around 100,000 light years across, and our…

    April 27, 2020
  • Earth Day 2020

    Young Astronomers Blog, Volume 28, Number 9. On April 22, 1970, a senator from Wisconsin, Gaylord Nelson, proposed the idea of a “national teach-in on…

    April 19, 2020
  • Houston, we’ve had a problem

    Young Astronomers Blog, Volume 28, Number 8. Something happened on April 13, 1970 – fifty years ago this month.  A spacecraft was heading for a…

    April 9, 2020
  • The Harvard Computers

    Young Astronomers Blog, Volume 28, Number 7. Stars come in all sizes, colors and temperatures. They also have a spectrum consisting of dark (absorption) lines,…

    March 25, 2020
  • Happy Pi Day and The Hierarchy of Numbers

    Young Astronomers Blog, Volume 28, Number 6. It’s March 14, 2020. So, HAPPY PI DAY! Yes, Pi = 3.14, get it? Anyway, Pi is a…

    March 14, 2020
←Newer Blogs
1 … 6 7 8 9 10 … 16
Older Blogs→

Index of Previous Blogs by Topic

Observing the Night Sky

  • The Night Sky
  • Observing the Stars
  • Observing the Moon and Planets
  • The Daytime Moon
  • Auroras
  • Telescopes
  • Planetary Opposition and Conjunction
  • A History of the Constellations
  • Astrology to Astronomy
  • How to Pronounce It

The Earth

  • Why is the Sky Blue?
  • Meteors, Meteoroids, and Meteorites
  • You Don’t Need to Duck
  • Rocks and Minerals
  • Mapping the World
  • Earth Day 2020
  • Leap Year, the Solstice, and Seasons

An Overview of The Universe

  • The Visible Universe
  • The Dark Universe
  • The Expanding Universe
  • The Microscopic Universe
  • The Multiverse

Discovering The Universe

  • The Copernican Revolution
  • Owen Gingerich
  • The Great Debate
  • Cosmic Microwave Background
  • The History of the Universe
  • Geometry, Omega, and the Universe

A Few Odds and Ends

  • DNA and RNA
  • Viruses and Vaccines
  • The Making Of The Atomic Bomb

The Planets

  • Mercury
  • Venus
  • Mars, The Red Planet
    • Journey to a Red Planet
    • Exploring Mars, Past and Present
  • Jupiter
  • Saturn
    • The Rings of Saturn
    • Titan
  • The Ice Giants (Uranus and Neptune)
  • Uranus
    • What’s in the name Uranus?
  • Neptune
    • The Discovery of Neptune

The Earth’s Past

  • A History of the Earth (Geologic Time)
  • The Age of the Earth (The Search Begins)
  • The Age of the Earth (Finally The Answer)
  • The Rise of the Vertebrates
  • An Introduction to Dinosaurs
  • The Classification of Dinosaurs
  • Meet The Dinosaurs
  • The Case of the Velociraptor
  • The Case of the Brontosaurus
  • Asteroid 1 Dinosaurs 0

The Building Blocks of The Universe

  • Atoms and Molecules
  • The Standard Model of Particle Physics
  • Gravity
  • The Higgs
  • Dark Matter
  • Dark Energy
  • Black Holes
  • Gravitational Waves

Spaceflight

  • First Humans in Space
  • Project Mercury
  • Project Gemini
  • Project Apollo
  • Houston, we’ve had a problem
  • Going Commercial
  • Return to the Moon with Artemis
  • Return to the Moon with Artemis, Part II

The Solar System

  • The Solar System
  • The Sun
  • The Moon
  • The Earth’s 2nd Moon?
  • Moons of the Solar System
    • Underground Oceans
    • Water, Phosphine, and the possibility of life elsewhere in the Solar System
  • Asteroids
  • Comets
  • Pluto
    • Discovering Pluto
    • Pluto and the Outer Solar System
    • Reclassifying Pluto
  • Exoplanets

Stars

  • Stars
  • Betelgeuse is dimming
  • Cosmic Distances, Stellar Brightness, and The Hubble Constant
  • The Harvard Computers

Deep-Sky Objects

  • The Deep Sky
  • Galaxies
  • Globular Clusters (Coming soon)

Observing The Universe

  • The Great Observatories
  • The James Webb Space Telescope
  • Sagittarius A* and the Event Horizon Telescope
  • Vera Rubin (The Astronomer & An Observatory)
  • A Map of the Universe

Are we Alone?

  • The Search for Extraterrestrial Intelligence
  • Unidentified Flying Objects (The Beginning)

Mathematics and Numbers

  • Happy Pi Day and The Hierarchy of Numbers

FAS Astronomers Blogs and Young Astronomers Blogs – Copyright © 2020-2026 Forsyth Astronomical Society/Bruce Gavett – All Rights Reserved.

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