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Volgvan
3 years ago
13

Suppose it turns out that one in 1 million stars has a planet that at some point in its history is home to an advanced civilizat

ion. Then the total number of civilizations that have arisen in our galaxy would be closest to _________.
Physics
1 answer:
qaws [65]3 years ago
4 0

MODS:

Please delete this.

10-Q

Al2006

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a bowling ball and a baseball both roll across your foot at the same speed. The bowling ball hurts more
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Read 2 more answers
Planet that has an orbit that intersects the orbit of pluto
Scilla [17]
<h2>Answer: Neptune </h2>

The dwarf planet Pluton, <u>has the most eccentric orbit</u> (more elliptical and elongated) of all the planets, and as a consequence its orbit is "intersected" by the orbit of Neptune.

However, <u>despite this intersection, there is no collision risk between these two bodies</u>, since the orbit of Pluto is located in an orbital plane different from that of the other planets and therefore different from that of Neptune, its nearest neighbor. In addition, the orbit of Pluton is inclined 17\° on the the ecliptic plane (plane where the other planets move around the Sun).

8 0
3 years ago
3. Order the following lengths from shortest to longest.
horrorfan [7]

Answer: d < a < c < b

3.3 cm < 400 mm < 170 m < 22 km

Explanation:

Firstly, let's convert these length to meters m, in order to work with the same units:

a. 400 millimeters

400 mm \frac{1m}{1000 mm}=0.4 m

b. 22 kilometers

22 km \frac{1000m}{1 km}=22000 m

c. 170 meters

Here the lenght is already in meters

d. 3.3 centimeters

3.3 cm \frac{1m}{100 cm}=0.033 m

Now that we have all the lengths in meters, we can order them from shortest to longest:

0.033 m < 0.4 m < 170 m < 22000 m

or

d < a < c < b

7 0
4 years ago
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