Astrophysics

Similar topics in Freebase

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  Astronautics

  Astronautics, and related astronautical engineering, is the theory and practice of navigation beyond the Earth's atmosphere. In other words, it is the science and technology of space flight. The term astronautics was coined by analogy with aeronautics. As there is a certain degree of technology...
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  Exploration

  Exploration is the act of searching or traveling around a terrain (including space, see space exploration) for the purpose of discovery of resources or information. Exploration occurs in all non-sessile animal species, including humans. In human history, its peak is arguably seen during the Age of...
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  Organ transplant

  Organ transplantation is the moving of an organ from one body to another or from a donor site on the patient's own body, for the purpose of replacing the recipient's damaged or absent organ. The emerging field of regenerative medicine is allowing scientists and engineers to create organs to be re...
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  Astronomy

  Astronomy is a natural science that deals with the study of celestial objects (such as stars, planets, comets, nebulae, star clusters and galaxies) and phenomena that originate outside the atmosphere of Earth (such as cosmic background radiation). It is concerned with the evolution, physics,...
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  Aeronautics

  Aeronautics (from Greek ὰήρ āēr which means "air" and ναυτική nautikē which means "navigation, Airmanship", i.e. "navigation of the air") is the science involved with the study, design, and manufacturing of airflight-capable machines, or the techniques of operating aircraft and rocketry within the...

• Nucleic acid

  Nucleic acids are biological molecules essential for life, and include DNA (deoxyribonucleic acid) and RNA (ribonucleic acid). Together with proteins, nucleic acids make up the most important macromolecules; each is found in abundance in all living things, where they function in encoding,...