# Jonathan Mcdowell
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Jonathan Christopher McDowell (born 1960) is an astrophysicist at the Harvard-Smithsonian Center for Astrophysics. He is a staff member at the Chandra X-ray Center. McDowell is the author and editor of Jonathan's Space Report, an e-mail-distributed newsletter documenting satellite launches.
How Orbital Debris Could End Space Exploration - Episode 59
Astrophysicist Dr. Jonathan McDowell explains how the ever-growing problem of space junk is threatening satellites, science missions, and even spaceflight as we know it.
In this episode, Jonathan discusses orbital debris, anti-satellite missiles, clean-up efforts, and how one incident could cause …
@UrbanLegends | #1816 China has AI Supercomputer Network in Space
Click here to reply to @UrbanLegends "And while the concept of orbital computing is nothing new, this project is, as Harvard astronomer Jonathan McDowell told SCMP, the first substantial flight the Gambit. As McDowell pointed out, theoretical space cloud computing projects are a very fashionable t…
The Space Debris Dilemma
In January 2025, astronomers mistook Elon Musk's space-launched Tesla Roadster for a asteroid. It took seventeen hours to realize the "near-Earth object" was actually a seven-year-old sports car orbiting the Sun.
We're losing track of what we've sent into space.
This week, Emily sits down with …
01 | Black Holes, Dark Matter, and Space Junk: A Life in Astronomy with Jonathan McDowell
It's our first episode of Cosmos For All, the podcast about astronomers and astronomy brought to you by the Center for Astrophysics, the largest center for astrophysics research in the world!
And who better to kick off our podcast than the legendary astrophysicist Jonathan McDowell.
He joins hosts…
Far Side | Today's Space News
Astronomy Daily S05E148 — "Far Side" Thursday 23 July 2026 Starship gets a second shot at Flight 13 — with a schedule caveat worth knowing about. The first far-side lunar samples reveal that Earth has been quietly shielding the side of the Moon that faces us. Astronomers debate whether the lunar f…
Far Side | Today’s Space News
Astronomy Daily S05E148 — "Far Side" Thursday 23 July 2026 Starship gets a second shot at Flight 13 — with a schedule caveat worth knowing about. The first far-side lunar samples reveal that Earth has been quietly shielding the side of the Moon that faces us. Astronomers debate whether the lunar f…
The Robot That Imagines First #1872
In this episode, Ray Cochrane breaks down NVIDIA’s case for world action models, the shift that swaps a robot’s picture-describing backbone for one trained to predict what happens next. He also covers Perseverance closing in on the off-world driving record, a derelict SpaceX rocket stage hitting…
Why 100,000 Satellites will make Space Unusable! - Jonathan McDowell
What happens when humanity goes from thousands of satellites to tens of thousands or even 100,000?
I sat down with astrophysicist and independent space tracker Jonathan McDowell to talk about the future of low Earth orbit, Starlink-scale constellations, Kessler Syndrome, space debris, internationa…
Why moon cities will run dry
No Cities on the Moon: Why Lunar Water Limits Our Space Dreams Harvard-Smithsonian astrophysicists challenge Elon Musk and Jeff Bezos' visions of lunar metropolises due to scarce ice reserves. Can humans build self-sustaining metropolises on the Moon? In this episode, we break down a reality-che…
NOVA documentary explores the militarization of space
An arms race is escalating above us, as military powers vie for control of space. The satellites we rely on are vulnerable to attack and space debris is increasingly filling a crowded orbit. The PBS documentary "Space Wars" explores the dangers of militarizing space. Jonathan McDowell is an astrop…
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