Question

in the blanks with appropriate words.
The temperature of the sun's surface is nearly
Planets revolve around the sun in a fixed path called
Planets close to the sun take
time to revolve around the sun.
A group of stars with a definite pattern is called
The first artificial satellite of the earth was​

Answer 1

Answer:

1. 40°C

2.An orbit

3.6 to 7 hours

4.constellation

5.sputnik 1