Astronomy Minute

Are UFOs Aliens From Outer Space? 09.06.2021 2:15 ↓

A brief description of my personal point of view regarding the possibility that UFOs harbor extraterrestrial beings visiting Earth.

What is the Milky Way Galaxy? 06.06.2021 1:27 ↓

A brief description of the structure of the Milky Way galaxy - our galactic home.

What is the Hubble Law? 02.06.2021 1:08 ↓

A brief description of the Hubble Law, now more formally known as the Hubble-Lemaitre Law.

What are Starburst Galaxies? 01.06.2021 1:09 ↓

A brief description of starburst galaxies and why they are in star formation overdrive.

Is Science Absolute? 26.05.2021 1:42 ↓

A brief description of whether the findings of science are _absolutely_ true. It could also have been entitled “Are Scientific Results Absolute?” and “Is the Scientific Method Absolute?”

What is Meant by Dimensional Analysis? 17.05.2021 2:22 ↓

A brief description of what is meant by dimensional analysis. In short, the final units in a calculation must be correct for the calculation to be correct.

What are Sunspots and the Sunspot Cycle? 11.05.2021 1:30 ↓

A brief description of the nature of sunspots and the sunspot cycle.

What is Meant by Einstein’s Theory of Relativity? 11.05.2021 1:35 ↓

A brief description of Einstein’s Theories of Special Relativity and General Relativity?

A Description of the Mathematical Basis of Cause-and-Effect 02.05.2021 2:56 ↓

A brief description of how we mathematically relate cause and effect in science. A short description of the equation of a straight line, y=m*x + b is also included.

How do Lunar and Solar Eclipses Happen? 12.04.2021 1:48 ↓

A brief description of the different kinds of lunar and solar eclipses and how they happen.

What do I Need to Know About Planet Earth? 07.04.2021 1:42 ↓

A brief description of what makes Earth unique from the other terrestrial planets - active plate tectonics, liquid water, a significant atmosphere, and the rich diversity of life.

So You Want to be a Professional Astronomer? 30.03.2021 1:53 ↓

Some advice for anyone wanting to pursue professional astronomy/astrophysics as a career choice.

How do Atoms Absorb and Emit Light? 24.03.2021 2:22 ↓

A brief description of how atoms absorb and emit particles of light known as photons based on the Bohr Model of the atom. This leads directly to the creation of absorption and emission lines in the spectra of stars.

What are Some Well-Known Deep Sky Objects? 15.03.2021 2:01 ↓

A brief description of some deep sky objects whose names you may have heard of in popular culture.

What is Meant by the Retrograde Motion of the Planets? 12.03.2021 1:53 ↓

A brief description of what is meant by retrograde motion of the planets in the Solar System.

What Professional Organizations Support the Work of Astronomers? 10.03.2021 1:36 ↓

A brief description of the professional organizations that support the work of astronomers in North America and worldwide.

How do Astronomers Obtain Their Observations of the Sky? 09.03.2021 1:39 ↓

A brief description of the process used to allocate telescope time to professional astronomers interested in addressing scientific questions.

How do Astronomers Disseminate Their Scientific Research Results? 03.03.2021 2:15 ↓

A brief description of how astronomers disseminate their research results to other scientists.

What is Meant by Metal Abundance or Metallicity? 24.02.2021 2:03 ↓

A brief description of how we quantify the amount of metals in a star, i.e. how much of the star is composed of elements heavier than Helium, using a logarithmic quantity designated as Fe over H, or simply [Fe/H].

What is Meant by Light Pollution? 24.02.2021 1:23 ↓

A brief description of light pollution and why astronomers are so concerned about its effects on the brightness of the night sky.

Is Science the Only Path to the Truth? 19.02.2021 1:23 ↓

A brief treatment of the limitations of science as pertains to seeking the truth in other areas outside of the natural world.

Which Notable Objects are in the Constellation of Virgo? 14.02.2021 1:35 ↓

A brief description of the notable celestial objects located in the constellation of Virgo.

Which Notable Objects are in the Constellation of Ursa Major? 14.02.2021 1:09 ↓

A brief description of the notable celestial objects located in the constellation of Ursa Major.

Which Notable Objects are in the Constellation of Tucana? 12.02.2021 0:56 ↓

A brief description of the notable celestial objects located in the constellation of Tucana.

Which Notable Objects are in the Constellation of Triangulum? 11.02.2021 1:27 ↓

A brief description of the notable celestial objects located in the constellation of Triangulum.