In our own solar system, there are pretty good odds that you could stand on the surface of an asteroid and not even be able ...

An upper stage is the last part of a rocket that delivers a payload,” explained Toni Tolker-Nielsen, head of ESA’s space transportation department. “Also called an orbital stage, these elements have, ...

Asteroid ‘Families’ Reveal Hidden Histories and Impact Risks across the Solar System ...

ABSTRACT Optical interferometry is entering a new age, with several ground‐based long‐baseline observatories now making observations of unprecedented resolution. Interferometers bring a new level of ...

ESA and Avio signed the deal, worth 40 million euros ($47 million), on the sidelines of the International Astronautical ...

Orbital dynamics, particularly in the context of lunar missions, encompasses the study of trajectories, stability and long‐term behaviour of spacecraft in the Moon’s gravitational field. Recent ...

Astronomers warn of hidden asteroids near Venus that evade detection, with some capable of crossing Earth’s orbit and posing ...

We acquired differential UBV photoelectric photometry and radial velocities of the relatively bright, understudied, massive Algol binary ET Tau and utilized the Wilson-Devinney (WD) analysis program ...

Figure 1: The path of asteroid 2015 BZ 509 in the frame that rotates with Jupiter. We investigated the orbital behaviour of 2015 BZ 509 using numerical methods. The orbital elements and covariance ...

This story was updated at 5:31 p.m. ET. After an intense search, a crew of amateur satellite sleuths has spotted the U.S. Air Force's second X-37B space plane – a robotic spacecraft that launched into ...

If GPS satellites are constantly going around Earth's orbit, how can they keep track of their own position in order to send the correct location to our devices? originally appeared on Quora: the place ...

The orbit of one of the two Galileo satellites launched into incorrect orbits on August 22 is being adjusted. Tracking data supplied by the North American Aerospace Defense Command (NORAD) and the U.S ...