Seeing the center of the Milky Way in near-infrared light.
The center of the Milky Way Galaxy, seen in infrared light. Image credit: ESO/ Stefan Gillessen

This week on The Cosmic Companion, we take a look at our home galaxy, the Milky Way. We will be talking with Stefan Gillessen from the Max Planck Institute for Extraterrestrial Physics about his work understanding Sagittarius A* — the supermassive black hole at the center of our galaxy.

The…

Clouds swirl in the eastern Pacific Ocean, just south of Alaska in this NASA image. Image credit: NASA

Space exploration benefits Earth and everyone living on it in ways most people never expect — Here’s 10 reasons why investing in space is our best hope for humanity.

Space exploration is the grandest endeavor the human race has ever undertaken. Reaching out beyond the planetary cradle on which we…

As the James Webb Space Telescope readies for launch, we talk with planetary scientist Dr. Stefanie Milam about this remarkable observatory in space. Image credit: The Cosmic Companion

This week on Astronomy News with The Cosmic Companion, we take an up-close look at the James Webb Space Telescope (JWST) as the most advanced spaceborne telescope ever built prepares for launch.

We talk with Dr. Stefanie Milam from the Goddard Space Flight Center. She is a planetary scientist who…

The Perseverance rover from NASA
The Perseverance rover. Image credit: NASA

Exploring Jezero Crater on Mars, the Perseverance rover recently came across an unexpected finding — organic molecules within the Martian rocks.

The six-wheeled rover arrived on Mars in February, spending the last 10 months exploring Jezero Crater on the Red Planet. …

The Parker Solar Probe imagined racing around the Sun. Image credit: The Cosmic Companion / NASA / GSFC

Just like the Earth, our Sun has an atmosphere, called the corona. This is normally seen surrounding the blacked-out Sun during a total solar eclipse.

Now, the Parker Solar Probe from NASA just became the first spacecraft ever to journey inside this tenuous shell around the Sun.

Oh! I Wanna Touch It!

This encounter…

BepiColombo is the most advanced spacecraft ever to explore Mercury, arriving 2025. Image credit: The Cosmic Companion / NASA

This week on Astronomy News with The Cosmic Companion, we welcome Mark McCaughrean, Senior Advisor for Science & Exploration at the European Space Agency, to the show. We’ll talk about the European Space Agency’s BepiColumbo mission to Mercury.

We’re also going to look at Comet Leonard as it makes its…

Surprisingly NOT an actual photo of 4660 Nereus. Image credit: The Cosmic Companion

On Saturday, 11 December, an asteroid named 4660 Nereus will pass the orbit of Earth, making a close approach with our home planet.

During this approach, 4660 Nereus will come as close as 3.86 million kilometers (2.4 million miles) from Earth, or roughly 10 times the distance from Earth to…

Early in the evening on Friday 10 December, three planets — Venus, Jupiter and Saturn, will line up in the southwestern sky, along with the Moon.

Skygazers wishing to view this celestial alignment should head out soon after sunset, before Venus dips below the horizon.

Looking to the southwest…

Dr. Sylvia Earle appears on Astronomy News with The Cosmic Companion 7 December 2021. Image credit: The Cosmic Companion

Sylivia Earle Tells us About National Geographic Ocean | A Global Odyssey

This week on Astronomy News with The Cosmic Companion, we are delighted to be joined by one of the world’s most renowned oceanographers, Dr. Sylvia Earle. She’s here to talk to us about her new book, National Geographic Ocean | A Global Odyssey.

We’re going to get an in-depth look…

The Geminid meteor shower will light up skies on the night of 13 December! Image credit: The Cosmic Companion

The Geminid meteor shower will be visible on the night of 13 December, providing skygazers a chance to witness one of the year’s most dazzling displays of shooting stars.

In addition, this performance will be joined by dazzling contributions from a trio of planets.

Through most of the month…

The Cosmic Companion

Exploring the wonders of the Cosmos, one mystery at a time

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