Astronomers use the _______________ alphabet to identify the bright stars in a constellation in approximate order of brightness

Fill in the blank(s) with correct word


Greek

Physics & Space Science

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Lithium, beryllium, and boron are elements with atomic number 3, 4, and 5, respectively. Even though they are three of the five simplest elements, why are they rare compared to many heavier elements?

What will be an ideal response?

Physics & Space Science

T Tauri stars are believed to be young, high mass main sequence stars

Indicate whether the statement is true or false

Physics & Space Science

When you flick a card from beneath a coin that hardly moves, you're illustrating

A) inertia. B) equilibrium. C) support force. D) friction.

Physics & Space Science

Two forces are the only forces acting on a 3.0-kg object which moves with an acceleration of 3.0 m/s2 in the positive y direction. If one of the forces acts in the positive x direction and has a magnitude of 8.0 N, what is the magnitude of the other force?

a. 12 N b. 14 N c. 16 N d. 18 N e. 22 N

Physics & Space Science