Name two telescopes that in recent years have improved our understanding of star forming regions

What will be an ideal response?


Spitzer, ALMA, and Hubble

Physics & Space Science

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A white dwarf's atoms have their electron orbitals crushed as closely as the Exclusion Principle allows

Indicate whether the statement is true or false

Physics & Space Science

Charge of uniform density 90 nC/m3 is distributed throughout the inside of a long nonconducting cylindrical rod (radius = 2.0 cm). Determine the magnitude of the potential difference of point A (2.0 cm from the axis of the rod) and point B (4.0 cm from the axis)

a. 1.9 V b. 1.4 V c. 2.2 V d. 2.8 V e. 4.0 V

Physics & Space Science

Ann the Astronaut weighs 60 kg. She is space-walking outside the space shuttle and pushes a 270-kg satellite away from the shuttle at 0.90 m/s. What speed does this give Ann as she moves toward the shuttle?

a. 4.0 m/s c. 8.5 m/s b. 5.3 m/s d. 9.0 m/s

Physics & Space Science

Fission fragments are

A. harmless particles emitted in radioactivity B. among the most dangerous kind of radiation C. ghost-like particles that pass through the Earth D. the source of most energy in the Sun

Physics & Space Science