Genius Minds!

2021-08-14 14:25:09 Why don't we receive light from all the stars in the universe?

There are about 6000 stars that are clearly visible to the naked eye above Earth. Yet we know that there are millions of stars in the universe. Since all stars are putting out light and other kinds of electromagnetic radiation and since light can travel for huge distances in space, why can't we see all the stars?

All stars, like our Sun, send out a huge amount of electromagnetic radiation, including light. However, that light spreads out with distance, making it so that only a tiny fraction reaches us. In addition, depending on the temperature of the star, the main color of light sent out by the star changes. Cooler stars put out redder light, hotter stars put out blue or white light. Generally, colors like white or blue are stronger colors (shorter wavelength, higher frequency) and can be seen more easily at far distances than reds, oranges or yellows. Also, some stars are simply larger than others and send out more light. Open / Comment

2021-08-14 14:21:53 Astronomers may have discovered the smallest and heaviest white dwarf star ever seen, a smoldering ember about the size of our moon but 450,000 times more massive than Earth, a new study finds.
The newfound white dwarf, designated ZTF J1901+1458, is located about 130 light-years from Earth and may be an example of what can happen when white dwarf pairs merge. If the white dwarfs were more massive, they would explode in a powerful thermonuclear explosion known as a Type Ia supernova. However, if their combined masses fell below a certain threshold, they could form a new white dwarf heavier than either of its parents, which is what scientists think happened in the case of ZTF J1901+1458. Open / Comment

2021-08-13 07:44:34 Greetings from SEDS KCT

"The journey of a thousand miles begins with one step."
-Lao Tzu

It's actually an excitement for every young Indian Space Enthusiasts to explore the journey of ISRO.

Are you curious to know how ISRO started its journey and how it reached the dreams and hearts of Billion people ??

SEDS KCT proudly presents Bicycle To Billion Dreams - The Journey of ISRO with Guest Speaker Mr.Sreenatha Rathnakumar, Scientist and Engineer at ISRO.

Join the Session on the Great occassion of our 75 th Independence Day and 52 years of ISRO to know in Detail

Topic: Bicycle To Billion Dreams-The Journey of ISRO
Date: August 15,2021
Day: Sunday
Time: 11:30 am to 12:30 pm
Platform: MS Teams
Registration Link:https://forms.office.com/r/tiATS98697 Open / Comment

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2021-08-10 15:56:17 Why do we feel electric shocks in elbow?

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2021-08-09 16:58:03 Genius Minds! pinned a photo Open / Comment