Daily Archives: January 23, 2023

Post 1

Like other electromagnetic particles, light has a specific velocity at which it travels. Further, it is presumed to be the fastest theoretical speed of any particle. The speed of light–referred to as “c” in a vacuum–is roughly 300,000,000 m/s. Since it moves so fast, most people never observe light as a moving particle or something […] Continue reading

Posted in Light | Tagged , , , | Comments Off on Post 1

Scale and Travel Times

At this very moment, the Voyager 1 spacecraft is hurtling through space at about 61,500 km/h each and every hour, carrying it ever further from our Solar system which it left 18 years ago. But despite this staggering speed, it would still take Voyager more than 75,000 years to reach the nearest star, Alpha Centauri. […] Continue reading

Posted in Aliens | Tagged , , , | Comments Off on Scale and Travel Times

The Cosmic Calendar 🪐

“We humans appear on the cosmic calendar so recently that our recorded history occupies only the last few seconds of the last minute of December 31st.” -Carl Sagan The Cosmic Calendar is a concept presented by famous astronomer Carl Sagan. In this diagram, the 13.8 billion year history of the universe is condensed into a […] Continue reading

Posted in Class | Tagged , | Comments Off on The Cosmic Calendar 🪐

Blog #1: The Power of Ten

The Power of Ten video puts into perspective the miniscule size of not only individuals on Earth but of the Solar System entirely. At only 3 minutes into the video, we were already far beyond the Solar System with so much time remaining. Not only was I struck by the immense scale of the universe, […] Continue reading

Posted in Galaxies, General, Universe | Tagged , | Comments Off on Blog #1: The Power of Ten

We Were the Closest To the Moon than We Have Ever Been

As a child, I spent a considerable time looking at the Moon, and at one point, I may have even believed it was my friend. From the backseat of many late-night car rides, it “followed me”. In fact, during this period, my mornings consisted of watching Bear in the Big Blue House and the character […] Continue reading

Posted in Class | Tagged , , , | Comments Off on We Were the Closest To the Moon than We Have Ever Been