Results 131 to 140 of about 16,106 (245)

Optimal trajectory design for interception and deflection of Near Earth Objects

, 2010
Many asteroids and comets orbit the inner solar system; among them Near Earth Objects (NEOs) are those celestial bodies for which the orbit lies close, and sometimes crosses, the Earth's orbit.
Colombo, Camilla, Vasile, Massimiliano, Radice, Gianmarco   +2 more
core  

Modeling Binary Asteroids: Integrating Orbital and Rotational Motion for Physical Property Inversion

The Astrophysical Journal
The field of space science places significant emphasis on deep space exploration, with a particular focus on asteroids as a potential hazard to humanity.
Xiao-Ping Lu, Yong-Xiong Zhang, Hai-Bin Zhao, Hua Zheng, Kai-Chang Di   +4 more
doaj   +1 more source

On the ballistic capture of asteroids for resource utilisation

, 2011
This paper investigates the concept of capturing in the Earth’s neighbourhood Earth-approaching objects such as asteroids and comets. These objects may provide access to potential resources, as well as be potential scientific mission opportunities.
Sanchez Cuartielles, Joan-Pau, Sanchez Cuartielles, J.P., McInnes, Colin, McInnes, C.R.   +3 more
core  

Earth-approaching asteroids: Populations, origin, and compositional types

, 1978
Origin, physical properties, and discovery history of smaller asteroids are reviewed. They appear to link the main belt objects, namely the comets and meteorites.
Shoemaker, E. M., Helin, E. F.
core  

Asteroids

, 2005
This radio broadcast discusses the renewed interest among space scientists in studying asteroids. Once disdained as uninteresting, asteriods are now considered to represent pristine material, essentially unchanged since the formation of the solar system.

core  

Spectroscopy of D-type asteroids

, 1992
We have performed a spectroscopic survey of 19 D-type asteroids. Comparison with previous photometry shows excellent agreement. Although the majority have similar colors to cometary nuclei, no cometary emission bands were present in any of the spectra ...
Dahlgren, Mats, Williams, I. P., Magnusson, Per, Lagerkvist, C.-I., Fitzsimmons, Alan   +4 more
core  

Asteroid sample return missions are critical for understanding our Solar System. [PDF]

Nat Commun
Bates H.
europepmc   +1 more source

No exotic matter in asteroids. [PDF]

Eur Phys J Plus
Rubin AE, Burbine TH.
europepmc   +1 more source

Giving AI agents a sense of control facilitates reinforcement learning in multitasking scenarios. [PDF]

PLoS One
Österdiekhoff A, Heinrich NW, Russwinkel N, Kopp S.   +3 more
europepmc   +1 more source

Earth-Approaching Asteroids as Targets for Exploration

, 1978
A mission strategy focused on the earth approaching asteroids is presented. The opportunities for sample return and manned visits favor the closer Apollos and Amors over the main belt ...
Shoemaker, E. M., Helin, E. F.
core