Occasionally, some wayward gravitational perturbation will knock one of them a weird way and create a long-period comet, which might briefly delight us lowly humans by providing something ...

This course provides an overview of extragalactic astronomy with an emphasis on the development of large-scale structures and galaxy formation. The first part of the course deals with the development ...

when it is ambiguous and also consider sensitivity analysis of how perturbations in sensor position/orientation ... Projects during those academic years involved topics as varied as astronomy, ...

In the realm of science fiction, Dyson spheres and ringworlds have been staples for decades. But it is well known that the ...

When the coupling is large, quantum field theorists are unable to use their standard, well-honed mathematical technique called perturbation theory, which involves breaking the calculation up into ...

"These objects really could be anywhere in the solar system at any given time." One million alien visitors from another star system could already be lurking in the solar system. We aren't talking ...

Mar. 17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet ... Combination of Cosmic ...

The boost in federal spending for SpaceX will come in part as a result of actions by President Trump and Elon Musk’s allies and employees who hold government positions. Supporters say he has the ...