Launching Mass From the Moon Helped by Lunar Gravity Anomalies
Placing a mass driver on the Moon has long been a dream of space exploration enthusiasts. It would open up…
A Star Disappeared in Andromeda, Replaced by a Black Hole
Massive stars about eight times more massive than the Sun explode as supernovae at the end of their lives. The…
eROSITA All-Sky Survey Takes the Local Hot Bubble’s Temperature
About half a century ago, astronomers theorized that the Solar System is situated in a low-density hot gas environment. This…
An Explanation for Rogue Planets. They Were Eroded Down by Hot Stars
WST recently turned up hundreds of free-floating rogue planets in the Orion Nebula, 42 in binary configurations. How two Jupiter-mass…
CODEX Coronagraph Heads to the ISS on Cargo Dragon
A new space-based telescope aims to address a key solar mystery.
Flowing Martian Water was Protected by Sheets of Carbon Dioxide
Mars' ancient climate is one of our Solar System's most perplexing mysteries. The planet was once wet and warm; now…
Japan Launches the First Wooden Satellite to Space
Space debris, which consists of pieces of spent rocket stages, satellites, and other objects launched into orbit since 1957 -…
You Can Build a Home Radio Telescope to Detect Clouds of Hydrogen in the Milky Way
If I ask you to picture a radio telescope, you probably imagine a large dish pointing to the sky, or…
A Space Walking Robot Could Build a Giant Telescope in Space
The Hubble Space Telescope was carried to space inside the space shuttle Discovery and then released into low-Earth orbit. The…
New Report Details What Happened to the Arecibo Observatory
In 1963, the Arecibo Observatory became operational on the island of Puerto Rico. Measuring 305 meters (~1000 ft) in diameter,…