What particular objects posed a risk to new horizons as it neared pluto?

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

Which conditions need to be in balance for cells to function? check all that apply. blood sugar food intake body water body temperature body mass

Whay is the following best defines climate