Author: Anonymous

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The chemical makeup of a star is obtained by:

This property causes some material to stay in a disk around a forming star.

A piece of rock from outer space that reaches and lands on Earth’s surface after surviving  passage through Earth’s atmosphere is known as a(n) _______________.

Planetary objects become spherical when__________.

The Perseverance Rover on Mars is designed to sample, store, and eventually return rocks to Earth. We want to do this to answer which of these scientific questions?

Test performed while the patient is exercising is see how the heart responses to exertion. 

Jupiter’s Moon Io has a surface characterized by:

The star Vega has a higher surface temperature than the Sun; therefore which of these is true? (IR = infrared and UV = ultraviolet)

Which of the following is known as the rhythm  strip?