antenna: (plural: antennae or antennas) (in physics) Devices for picking up (receiving) electromagnetic energy.
array: A broad and organized group of objects. Sometimes they are instruments placed in a systematic fashion to collect information in a coordinated way.
astronomer: A scientist who works in the field of research that deals with celestial objects, space and the physical universe.
astrophysicist: A scientist who works in an area of astronomy that deals with understanding the physical nature of stars and other objects in space.
black hole: A region of space having a gravitational field so intense that no matter or radiation (including light) can escape.
colleague: Someone who works with another; a co-worker or team member.
computer model: A program that runs on a computer that creates a model, or simulation, of a real-world feature, phenomenon or event.
core: Something — usually round-shaped — in the center of an object.
cosmic: An adjective that refers to the cosmos — the universe and everything within it.
galaxy: A group of stars — and usually invisible, mysterious dark matter — all held together by gravity. Giant galaxies, such as the Milky Way, often have more than 100 billion stars. The dimmest galaxies may have just a few thousand. Some galaxies also have gas and dust from which they make new stars.
gravity: The force that attracts anything with mass, or bulk, toward any other thing with mass. The more mass that something has, the greater its gravity.
laser: A device that generates an intense beam of coherent light of a single color. Lasers are used in drilling and cutting, alignment and guidance, in data storage and in surgery.
light-year: The distance light travels in one year, about 9.46 trillion kilometers (almost 6 trillion miles). To get some idea of this length, imagine a rope long enough to wrap around the Earth. It would be a little over 40,000 kilometers (24,900 miles) long. Lay it out straight. Now lay another 236 million more that…
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