A 3D rendition of a black hole.
Astronomy

How Active Galaxies and Black Holes Are Related

January 5, 2023

When it comes to understanding the relationship between an active galaxy and a black hole, it is one of cause and effect. There is a negative feedback between the black hole and the surrounding galaxy as when the galaxy grows too fast, the black hole produces out-flows that halt any further growth. […]

An image of a starry disk around supermassive black hole.
Astronomy

Dark Matter: Accreting Black Holes

January 5, 2023

Accreting black holes at the center of a galaxy are slightly more massive. Gas is funneled toward the innermost edge of the accretion disk. The gas is hot, ionized, plasma and is likely to turn into a tangled internal magnetic field. […]

Dinosaurs in a field
Biology

Were Dinosaurs Warm-Blooded?

December 28, 2022

Were the dinosaurs warm-blooded like birds or cold-blooded like reptiles? Unfortunately, the answer isn’t simple. Each possibility has its merits. Some species may have run warm, while others ran cold. […]

An image of Sun and Solar System planets.
Science

Jupiter and Understanding Planet Formation

December 28, 2022

The formation of planets is different from that of stars, although they are formed using material left over after the birth of a star. Starting out the size of a pebble, they grow after millions of years to the size of a planet. […]

An image of Solar system planets.
Science

Comparing Planetary Atmospheres

December 28, 2022

It is widely believed that planets with similar mass and size such as Venus and Earth did have similar atmospheres at one point. However, Venus suffered tremendously from the greenhouse effect which rendered its atmosphere inhospitable. […]

An image of a hot planet.
Science

What Determines the Temperature of a Planet?

December 28, 2022

The equilibrium temperature formula helps in calculating the temperature of a planet that has reached the radiative equilibrium. It is a state where it doesn’t get too hot or too cold. The formula works in case of Jupiter but not in the case of Venus and Mercury owing to their atmospheric difference. […]

Senior woman at home while experiencing back pain
Science

Why Does Our Back Hurt?

December 27, 2022

The skeletal muscles allow us maintain our normal posture. Still, studies show that nearly 80% of people experience back pain during their lifetime. […]

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