1% past-focused: I take about 15 minutes a day to journal . I try to occasionally reflect on the past to learn.ย 

9% future-focused: This is the time I dedicate to planning and thinking about the future . I always want to be aware of the fact that life can be long.

90% present-focused: This is when I execute my plans and the time I spend enjoying my days. I donโ€™t want to be lost in thought when I do these things.

Maliha Tumpa (@maliha) - Profile Photo



Self Improvement

Where does one galaxy start and the other end?

Some scientists don't thinkthe Canis Major cluster of stars is actually its own galaxy or dwarf galaxy. Instead they think it is just a dense area of faraway stars that are still part of the Milky Way.ย 

Either way, it is clear that this bunch of stars has been pulled very close to our Milky Way by our galaxyโ€™s massive gravity.ย 

Over time, this could be the fate of other satellite galaxies in the area. They could all one day merge into an even larger Milky Way galaxy!

What Is a Satellite Galaxy?


What is a Nebula?

A Nebula is a giant cloud of dust and gass in space.

  • Some Nebulae (more than one nebula) come from the gas and dust thrown out by the explosion of a dying star, such as a supernova.

Other nebulae are regions where new stars are beginning to form. For this reason, some Nebulae are called "star nurseries."

What Is a Nebula? | NASA Space Place โ€“ NASA Science for Kids


While Isaac Newton's description of gravity was good enough to detect Neptune's existence in the mid-1800s, Newton's law was not perfect. Astronomers discovered a mismatch between his law and the laws of nature.

This mismatch was resolved in 1915 when Albert Einstein published his theory of general relativity. Before this theory, physicists knew how to calculate a planet's gravitational pull, but they didn't understand why gravity behaved this way.

What Is Gravity?


Hawking radiation

When this happens near the event horizon of a black hole, one of these particles call fall in, stopping them from annihilating.

  • The escaping particle is hawking radiation. ultimately the mass of this particle must come from the black hole, so over eons black holes will shrink and radiate away.

Hawking radiation is not the stuff that fell into the black hole, it's new stuff stealing the mass from it.

  • As the black hole shrinks the hawking radiation gets stronger, faster and faster, until whats left eventually evaporates in a flash of high enery radiation like nuclear bomb. And then, nothing.ย 

The Ultimate Guide to Black Holes


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