The hottest Commercial Space Substack posts right now

And their main takeaways
Category
Top Technology Topics

The Satellite Detection Edition

Why is this interesting? • 965 implied HN points • 24 Feb 26
🕹 Technology Commercial Space
  1. Commercial trackers, not government sensors, were the first to find the tiny Mozhayets‑6 satellite, showing that private teams now play a leading role in space detection.
  2. Very small, faint satellites can hide by riding with larger craft or matching orbital planes, and states are experimenting with designs that make craft harder to track.
  3. Space awareness is now a commercial product sold to militaries, insurers, and investors, so early warnings may come from subscribers or data engineers rather than traditional command centers.

🌕 Occupy Luna: Elon Musk's gravity arbitrage

Faster, Please! • 365 implied HN points • 11 Feb 26
🕹 Technology Commercial Space
  1. SpaceX’s new Moon focus shows private companies can lead human expansion off Earth and open commercial opportunities on the Moon.
  2. Promoting lunar colonization as public policy is being argued as a practical way to spur economic growth, technological progress, and long-term prosperity.
  3. The Moon push signals a convergence between entrepreneurial space ventures and pro-growth, capitalist ideas about humanity’s future in space.

Viral satellite imagery of U.S. military assets around Iran NOT taken by Chinese satellites: Hu Bo

Pekingnology • 132 implied HN points • 27 Feb 26
🌍 World Politics Commercial Space
  1. A private firm released high-resolution satellite photos showing U.S. military assets near Iran, which drew wide attention and speculation about where the images came from.
  2. Independent imagery analysts say the pictures match the orbital data and resolution of U.S. and European commercial satellites, so they likely did not originate from Chinese government satellites.
  3. Commercial providers like Maxar/Vantor, Planet, and Sentinel can supply such imagery, so a Chinese company publishing analysis does not by itself mean the source data was Chinese, and firms may publish these images to gain visibility.

Will New Glenn and Neutron Beat Starship?

Erik Explores • 245 implied HN points • 25 Dec 25
🕹 Technology Commercial Space
  1. New Glenn’s successful booster landing showed that SpaceX isn’t the only game in town and that other companies can catch up, breaking the sense of inevitable SpaceX dominance.
  2. Starship failing to meet Elon Musk’s original full-reuse goals wouldn’t be a total failure because a non-reusable or redesigned second stage could be much lighter and cheaper while still outperforming SLS and Falcon Heavy.
  3. A realistic outcome is that SpaceX might achieve full reuse but with a lower payload (~45 t), while also offering expendable variants that can deliver roughly 100–130 t to LEO, keeping the system competitive and flexible.

The Starship: Can One Rocket Change the Entire Space Industry?

Space Ambition • 279 implied HN points • 16 Feb 24
🕹 Technology Commercial Space
  1. Starship aims to drastically lower the cost of launching payloads into space, making it more affordable for various missions. This could mean launching things into orbit for just $100 per kilogram, which is a huge drop from the current price.
  2. The rocket is designed to be fully reusable, meaning both its stages can be used again and again. This will help SpaceX perform more launches efficiently and at a lower cost.
  3. Starship has the potential to open up opportunities for space tourism, lunar missions, and even trips to Mars. It could make space travel as common as taking a plane someday.
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Stars, Stripes, and Satellites

Case Closed • 275 implied HN points • 26 Jan 24
🕹 Technology Commercial Space
  1. The US military heavily relies on space technology for various purposes like intelligence, surveillance, and communications.
  2. Due to evolving threats and outdated technology, the US government established the Space Development Agency (SDA), with a significant budget increase and focus on commercial partnerships.
  3. The SDA is deploying a new military satellite constellation quickly, offering a substantial $30B+ contracting opportunity for satellite manufacturers and leading to potential growth in the commercial space industry.

The Ill-Defined Space Global Orbital Launch Summary: 2025

Ill-Defined Space • 28 implied HN points • 01 Jan 26
🕹 Technology Commercial Space
  1. 2025 was a record year with 315 successful orbital launches and over 4,500 spacecraft deployed, driven mainly by the U.S. and China which together made up about 90% of launches.
  2. The U.S. led the world with 192 launches—SpaceX flew 165 of them—and reusable rockets plus busy Florida spaceports concentrated activity, creating strong capability but reliance on a few major providers.
  3. China sharply increased launches to 90 with a diverse roster of rockets and growing commercial, mostly domestic, customers, while Russia’s launch activity stayed low (17) and leaned on older Soyuz systems.

International Agreements and Laws Shaping Space Exploration

Space Ambition • 119 implied HN points • 01 Mar 24
🌐 International Commercial Space
  1. There is a growing need for clear rules about how to use and own resources in space. As more nations explore the moon, they need to figure out how to work together peacefully.
  2. The Artemis Accords are a new set of principles that promote cooperation and safety in lunar exploration. They aim to ensure that space use is transparent and peaceful, though some of their goals may conflict with older treaties.
  3. As private companies start to play a bigger role in space exploration, laws need to adapt to include these actors. Clear regulations will help guide how they operate and share the benefits of space exploration.

The Great NewSpace Shovel Pile

Planetocracy • 216 implied HN points • 18 May 23
🕹 Technology Commercial Space
  1. In the commercial space industry, there's a risk of relying on others' folly for profit.
  2. Success in commercial space goes beyond imitating SpaceX; unique challenges and markets must be addressed.
  3. The value of space exploration goes beyond immediate financial returns and requires broadening industry scope and creating incentives.

SpaceX’s Launch Growth: Quantity Over Quality?

Ill-Defined Space • 28 implied HN points • 22 Nov 24
🕹 Technology Commercial Space
  1. Counting launches and numbers in the space industry can look impressive, but it may not reflect the industry's true health. Much of the activity is driven by one company, SpaceX, which creates a misleading picture of overall growth.
  2. SpaceX recently lowered its launch goal for 2024. Even though the adjusted goal still means launching more than last year, it's questionable why they set such ambitious targets in the first place if they seem unlikely to be met.
  3. Most of SpaceX's launches are for its own Starlink project, meaning fewer launches are benefiting external customers. This focus could stifle competition and innovation in the broader space industry.

China’s Launch Trends and Spacecraft Deployments

Ill-Defined Space • 19 implied HN points • 13 Dec 24
🕹 Technology Commercial Space
  1. China's space launches are increasing every year since 2019, showing a steady upward trend. This suggests that China is getting more active in space exploration.
  2. While more spacecraft are being deployed, most of these are small satellites. This means that China is focusing on smaller, more cost-effective missions rather than larger projects.
  3. China's space industry has many different launch options, which is similar to trends in other countries. This variety helps make launches more efficient and affordable.

Tootling Through SpaceCom 2024

Ill-Defined Space • 9 implied HN points • 08 Feb 24
🕹 Technology Commercial Space
  1. The SpaceCom conference in 2024 had a smaller feel compared to other major events like the Space Symposium.
  2. A variety of interesting exhibitors were present, discussing cutting-edge topics like nuclear thorium-based batteries and concerns about satellite constellations.
  3. Attendees of the conference raised environmental concerns about satellite deorbiting and particulates released into the atmosphere.