stars
a group of stars is?
a constellation
what is an Astronomer
a scientist who studies the stars and other object in the sky
what is a planet
a large body in space that orbits a star and does not produce light of its own
what is telescope
A device built to observe distant objects by making them appear closer
a galaxy is
a system of stars held together by a gravitational pull
what studies elements, atoms, and molecules to explain the chemical composition of objects in outer space?
a chemist
what is a black hole
An object in space whose gravity is so strong not even light can escape.
what is a satellite
An object that revolves around another object in space
The milky way is?
a galaxy that contains our solar system.
what is astrobiology?
the study of life in the universe including life on earth and the possibility of extraterrestrial life on earth.
what is an Asteroid
A small rocky body orbiting the sun
what is a Spectrometer
An instrument used to measure properties of light over a specific portion of the electromagnetic spectrum
A large cloud of gas and dust in space that is the first stage of star formation
who studies the rocky planets in our solar system?
planetary geologist
what are Comets
Small; eccentrically orbiting body made of rock and ice which have one or more tails that point away from the Sun.
what is magnitude?
A number representing the apparent brightness of a celestial body
what is s star that has collapsed under its own gravity called?
a Neutran star
what does an Astrophysicist do?
studies the physical properties of celestial bodies
what is the difference between a meteor and a meteorite
a meteor is the streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere.
what is a Dopplar Shift
Used to detect the wobble of a star (wavelength shifts)