All the stars in this photo are at about the same distance from Earth (some 25,000 light-years away). Which stars in this picture are the largest in size (radius)?
A) the bright red stars
B) the blue/white stars that look largest on the photo
C) the stars that have the spikes
D) the dim red stars
A) the bright red stars
You might also like to view...
The International System of Units (SI) has ______________ base units
a. four b. six c. seven d. five
__________is the sticking together of solid particles to produce a larger particle
A) Condensation B) Compression C) Accretion D) Differentiation
Which of the following is NOT a reason to use a reflecting telescope rather than a refractor?
A) Heavy lenses, which can only be supported at their edges, tend to deform under their own weight. B) Lenses are harder to focus than mirrors. C) Lenses are subject to chromatic aberration. D) A lens must have two precision surfaces; a mirror needs only one. E) Lenses absorb light, while mirrors do not.
Natural processes tend to increase the __________ of thermodynamic systems
Fill in the blank(s) with correct word