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Universe STEM
COVERT - Earth's Place in the Universe
| Term | Definition |
|---|---|
| a telescope that uses a curved mirror | reflecting telescope |
| a telescope that uses a convex lense to concentrate light on a distant object | refracting telescope |
| a telescope that collects radio waves using an antennae and looks like a satellite dish | radio telescope |
| visible light looks wavy & stars twinkle becauseof moisture and gases in the atmosphere causing | atmospheric distortion |
| new technology that lessens atmospheric distortion effects | adaptive optics |
| an uncrewed spacecraft sent from Earth | space probe |
| a small object that orbits a large object | satellite |
| global positioning system | GPS |
| reusable spacecraft that transports people and equipment to and from space | space shuttle |
| a series of space missions designed to send astronauts to the moon | Project Apollo |
| life that originates outside Earth | extraterrestrial |
| study of the possibility of life in the universe, including life on Earth | astrobiology |
| average distance between Earth and the sun about 150 million km is equal to 1 au | astronomical unit (AU) |
| the distance light travels in one year equal to ~10 trillion km | light year |
| a measure of how bright it appears from Earth | apparent magnitude |
| true brightness of an object related to its distance and apparent magnitude | luminosity |
| a process when the nuclei of several atoms combine into one larger nucleus | nuclear fusion |
| matter that emits no light at any wavelength | dark matter |
| the shift to a different wavelength on the electromagnetic specturm | Doppler Shift |
| white light spreads out to make a range of different colors with different wavelengths | spectrum |
| uses lenses or mirrors to collect and focus visible light | optical telescope |
| an instrument that collects and focuses light and other forms of electromagnetic radiation | telescope |
| a piece of glass that is curved so that the middle is thicker than the edges | convex lens |
| a structure that contains one or more telescopes often located in a location providing a clear sky view (mountain top) | observatory |
| powers of numbers to write very large or very small numbers between 1-10 with the number of decimal digits moved | scientific notation |
| a device that breaks light into colors and produces an image of the spectrum to analyze light | spectograph |
| a graph plotting the surface temperature of stars on the x-axis and luminosity on the y-axis; a tool used to categorize stars, and their distances | Hertzsprung-Russell diagram |
| the farther away a galaxy is the faster it is moving away from us | Hubble's law |
| leftover thermal energy distributed in every direction as the universe expanded | cosmic backround radiation |
| causes the expansion of the universe to accelerate | dark energy |
Created by:
MrsCovert
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