“During each outburst, the star expelled material in a different direction. This can be seen in the two bow tie-shaped lobes.

“The nebula also is rich in clouds of dust, some of which form long, dark streaks pointing away from the star.

“NGC 2440 lies about 4,000 light-years from Earth in the direction of the constellation Puppis.”

But what about our Sun? When do astronomers expect it to run out of fuel and die?

The good news is the Sun will continue to burn for many billions of years.


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