Astrum Courses

NASA's Stunning Discoveries on Jupiter's Largest Moons - Our Solar System's Moons

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Explore Jupiter's Galilean moons: Io's volcanism, Europa's icy ocean, Ganymede's magnetic field, and Callisto's ancient surface. Uncover NASA's groundbreaking discoveries about these fascinating worlds.

• YouTube
• 46 minutes
• Self-Paced
• Free Video

Hundreds of Massive Structures in Our Galaxy's Center - And We Don't Know What They Are

Uncover the cosmic mystery of hundreds of massive filaments stretching 150 light-years at our galaxy's heart, revealed by MeerKAT's groundbreaking radio observations.

• YouTube
• 21 minutes
• Self-Paced
• Free Video

Dark Energy Is Running Out of Power

Discover how new DESI data reveals dark energy is weakening, potentially changing the universe's fate from Big Freeze to Big Crunch and challenging our cosmological models.

• YouTube
• 22 minutes
• Self-Paced
• Free Video

The Most Bizarre Exoplanets We've Ever Found

Explore the universe's most extreme exoplanets, from iron-raining worlds to planets with seven suns, rogue worlds, and mega-ring systems beyond imagination.

• YouTube
• 50 minutes
• Self-Paced
• Free Video

We Finally Know Why Phoebe Orbits Backwards

Uncover the mystery of Saturn's rebel moon Phoebe and its backwards orbit, exploring how this dark celestial body reveals secrets about Saturn's violent past and the origin of its rings.

• YouTube
• 17 minutes
• Self-Paced
• Free Video

Understanding Earth's 100,000-Year Ice Age Cycle

Explore Earth's frozen past and discover massive Ice Age creatures, their extinction causes, and whether another ice age could return to our planet.

• YouTube
• 35 minutes
• Self-Paced
• Free Video

JWST Found an Impossible Galaxy at the Edge of the Universe

Explore JWST's groundbreaking discoveries of unexpected early galaxies that challenge our understanding of cosmic evolution and fundamental astronomical models.

• YouTube
• 42 minutes
• Self-Paced
• Free Video

TRAPPIST-1e Just Got More Exciting - New JWST Evidence for Earth-Like Atmosphere

Discover groundbreaking JWST findings revealing TRAPPIST-1e may possess an Earth-like atmosphere, making it the most promising exoplanet for potential habitability and life.

• YouTube
• 21 minutes
• Self-Paced
• Free Video

Have We Really Found Life on Mars?

Explore NASA's Perseverance rover discovery of leopard-spotted rocks on Mars and examine whether these formations truly represent the first signs of extraterrestrial life.

• YouTube
• 21 minutes
• Self-Paced
• Free Video

Why the Universe's Expansion Doesn't Make Sense - The Hubble Tension Crisis

Explore the Hubble tension crisis challenging our understanding of cosmic expansion, examining conflicting measurements and potential solutions to cosmology's biggest puzzle.

• YouTube
• 22 minutes
• Self-Paced
• Free Video

New JWST Neptune Images Reveal Something Surprising

Explore Neptune's mysteries through JWST's stunning new images, revealing surprising temperature drops, powerful auroras, and the ice giant's complex moon system including Triton's unusual orbit.

• YouTube
• 31 minutes
• Self-Paced
• Free Video

NASA's Stunning Discovery on Pluto's Largest Moon - Charon

Explore Pluto's largest moon Charon, from its accidental discovery to mysterious red polar stains, cryovolcanoes, and how this binary system redefined planetary science.

• YouTube
• 24 minutes
• Self-Paced
• Free Video

What the Earth Will Look Like in 1 Billion Years

Explore Earth's dramatic transformation over the next billion years, from shifting continents and climate collapse to the eventual loss of oceans and life itself.

• YouTube
• 23 minutes
• Self-Paced
• Free Video

Is This the Largest Star in the Universe?

Explore the universe's most colossal stars, from Wolf-Rayet monsters to red supergiants like UY Scuti, and discover the ultimate limits of stellar size and evolution.

• YouTube
• 18 minutes
• Self-Paced
• Free Video

Is the Hunt for Planet Nine Finally Over?

Explore the latest evidence in the hunt for Planet Nine, examining potential candidates, telescope discoveries, and alternative theories including black holes and modified gravity.

• YouTube
• 18 minutes
• Self-Paced
• Free Video