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What Happens to a Star After It Runs Out of Fuel?

What Happens to a Star After It Runs Out of Fuel?

A star does not simply switch off when its fuel runs low. Instead, gravity begins to reshape it, …
Why Does Saturn Have Rings While the Other Giant Planets Don’t Look the Same?

Why Does Saturn Have Rings While the Other Giant Planets Don’t Look the Same?

Saturn is the planet that seems to have claimed rings as its personal trademark. Through even a m…
How Can a Neutron Star Be Heavier Than the Sun but Smaller Than a City?

How Can a Neutron Star Be Heavier Than the Sun but Smaller Than a City?

Imagine taking more mass than the Sun and squeezing it into a sphere only about 20 to 25 kilometer…
What Happened to the Apollo 11 Flag After 57 Years on the Moon?

What Happened to the Apollo 11 Flag After 57 Years on the Moon?

The first flag planted on the Moon probably did not remain standing for even a full day. Buzz Ald…
Why Is Pluto’s Orbit So Different From the Eight Planets?

Why Is Pluto’s Orbit So Different From the Eight Planets?

If you could look down on the Solar System from far above, the eight planets would seem surprisingl…
Could Humans Really Build a Permanent Base on the Moon?

Could Humans Really Build a Permanent Base on the Moon?

A permanent base on the Moon sounds like science fiction until you break it into ordinary needs: …
Why Does Jupiter Have Such a Powerful Magnetic Field?

Why Does Jupiter Have Such a Powerful Magnetic Field?

Jupiter does not merely have a magnetic field. It carries an enormous magnetic environment that c…
What Would You See If You Fell Into a Black Hole?

What Would You See If You Fell Into a Black Hole?

A black hole would not look like a giant cosmic drain waiting to swallow you. If you could surviv…