Star Trails: From Backyard Astronomy to Cosmic Wonder19 Loka 2025

Echoes from the Cosmic Graveyard

The veil between life and death is thin in late October, and not just on Earth. This week on Star Trails, we take a haunting journey through The Cosmic Graveyard, a place where dead suns still glow, galaxies devour one another, and the faint aftershocks of ancient explosions echo across time. From the slow cooling of white dwarfs to the bottomless depths of black holes, we explore the universe’s quietest afterlife.

But before venturing into that darkness, the night sky itself offers reason to stay up late. The Orionid meteor shower peaks under a new moon, delivering pristine, moonless skies for deep-sky observing. Saturn still commands the early evening, Jupiter gleams after midnight, and the autumn constellations fill the heavens with galaxies, clusters, and nebulae ripe for exploration.

Plus, a listener’s question sparks a timely detour into the strange beauty of black holes and the now-iconic image of a glowing ring surrounding a dark center. Is it art, or reality? We explain the physics behind those haunting visuals and how Einstein’s relativity sculpts light itself into the illusion we see.

So settle in beneath the cooling autumn sky, and listen as we wander the universe’s silent necropolis, where every dying star leaves behind a spark, and even the ashes of creation still shimmer with light.

Mentioned in this episode:

What do black holes look like?

Tämä jakso on lisätty Podme-palveluun avoimen RSS-syötteen kautta eikä se ole Podmen omaa tuotantoa. Siksi jakso saattaa sisältää mainontaa.

Jaksot(121)

Did the Milky Way Flip?

The Milky Way looks permanent from our place inside it, a great band of stars stretching across the night sky. But new research suggests our galaxy may once have been oriented in a completely differen...

16 Elo 35min

When Black Holes Twist Spacetime

What happens when a black hole spins? According to general relativity, it doesn't simply rotate in space, it actually drags spacetime around with it.This episode explores the strange phenomenon known ...

2 Elo 38min

Listening to the Heartbeat of the Milky Way

Most amateur astronomers spend their nights collecting light. But what if you could study our galaxy without looking through a telescope at all?In this episode, we sit down with amateur astronomer and...

19 Heinä 27min

Is there a Black Hole in Our Backyard?

What if the mysterious "Planet Nine" isn't a planet at all?In this episode, we journey to the distant frontier of our Solar System to explore one of astronomy's strangest modern hypotheses: the possib...

5 Heinä 21min

How Jupiter Almost Destroyed the Solar System

For generations, we've pictured the Solar System as a stable and orderly place: planets forming where they are today and quietly orbiting the Sun for billions of years. But what if that picture is wro...

21 Kesä 23min

A Summer Sky Road Trip

Summer is almost here, and with it comes one of the richest observing seasons of the year.In this episode, we take a road trip through the summer sky, exploring the constellations, deep-sky objects, p...

7 Kesä 30min

From the Archive: Star Party Stories

Back in November of 2024, I attended a star party hosted by the Midlands Astronomy Club and recorded what became one of my favorite episodes of Star Trails. This week, while taking a short break to re...

31 Touko 17min

The Birth and Death of Galaxies

This week we conclude our month-long journey through galaxies by exploring one of the biggest questions in astronomy: how galaxies are born, evolve, and eventually die.We begin in the aftermath of the...

24 Touko 29min