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  • Astronomy,  Stargazing

    Monthly Stargazing Calendar for March 2012

    March 8, 2012 /

    On March 3, Mars was at opposition. The Earth passed Mars as the two planets wheeled around the sun in their respective orbits. This time the opposition was an unfavorable one because Mars was at aphelion on February 15, which means it was at its farthest point from the sun.

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    Monthly Stargazing Calendar for September 2022

    September 1, 2022
    Background Cosmic Radiation image courtesy of NASA.

    Origin of Our Universe – Gravitational Waves and Cosmic Inflation

    October 23, 2015
    Gravity Tractor NASA

    How to Defend Earth Against an Asteroid Strike

    March 31, 2009
  • Astronomy,  Stargazing

    Introduction to Astronomy – Apparent magnitude

    November 21, 2010 /

    Yesterday I have used the term “apparent magnitude” in my article about the Antlia Constellation. Since some of you may be new to astronomy, I decided to start a new series of articles to introduce you to the topic. Each article of the series will focus on one scientific term used in astronomy. The series will not be a regular one: I will only write an article after using a complicated astronomy term that some of you would need me to explain. Definition The apparent magnitude (noted as m) of a celestial body is a measure of its brightness as seen by an observer on Earth. Since the apparent brightness…

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    Background Cosmic Radiation image courtesy of NASA.

    Origin of Our Universe – Gravitational Waves and Cosmic Inflation

    October 23, 2015

    Monthly Stargazing Calendar for August 2012

    August 4, 2012
    Bootes Constellation Map

    Monthly Stargazing Calendar for January 2014

    January 10, 2014

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