Category: Space
White Hole Vs Black Hole Who Will Win?
It is not possible to compare white holes and black holes in terms of “winning” or “losing” because they are fundamentally different objects. White holes are hypothetical objects that are the time-reversed counterparts of black holes. While black holes are regions of space where matter has collapsed in on itself, creating a point of infinite…
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What Is The Closest Supermassive Black Hole To Earth?
The closest Supermassive black hole to Earth is the Sagittarius A* black hole. It is located right in the centre of our own Milky Way, spinning at a rate less than 10% of the speed of light. Sagittarius A* is about 27000 light-years away from Earth lying in the constellation Sagittarius. Sgr A* was discovered…
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How Often Does The Red Moon Occur?
The red moon, often called the blood moon, appears about twice or thrice a year. It mainly occurs during the eclipse season. Eclipse season is basically a time zone when the possibility of total lunar eclipses increases. Eclipse season only lasts for 35 days, at six–month intervals. This season appears two or occasionally three times…
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Why Is James Webb So Expensive? – JWST Cost Facts
The estimated cost of the James Webb was just $4.96 billion (2014) but it ended up being a megaproject and eventually cost about 10 billion USD. But “Why Is James Webb So Expensive?” NASA reconstructed the entire project due to which the construction cost was already raised to 8.8 billion USD by 2018, whereas the…
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What is the Big Bang Theory Science – Big Bang Theory FAQs
The “cosmological model” of the stretching universe is called the “Big Bang”. This theory proves that starting from one single point, the universe spread out and took a proper shape. Georges LemaÎtre proposed this theory. Physicists are working to discover the nature of dark energy. This energy caused the universe to further expand. The process…
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How Many Times Humans Have Been to the Moon
Regarding human visits, we have been to the moon around six times. American astronaut Neil Armstrong stepped on the moon for the first time on July 20, 1969. Other countries like Russia, Japan, China, ESA (European space agency), and even India tried to put their probes on the moon. Many of them landed on the…
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What Is In The Center Of The Milky Way – Sagittarius A* And The Galactic Center
There is a supermassive blackhole named Sagittarius A* right at the center of the Milky Way or the Galactic Center. Our Milky Way galaxy is centered around a vast expanse: 300 billion stars in the Orion Spur, which will take more than 25,000 years to explore. The trouble is we can barely fully understand and appreciate…
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What is the altitude of the Hubble Space Telescope?
The powerful Hubble Space Telescope was launched into low Earth orbit on April 25th,1990 on an STS-31 space rocket at an altitude of about 547 kilometres or 340 miles. It orbits Earth at the speed of 5 miles per second. Out of many Earth-Based telescopes, it was the first largest and most versatile telescope ever…
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Black Holes Questions and Answers – Interesting Facts About Black Holes
What exactly is a Black Hole? An incredibly dense sphere with immense gravity where nothing (mass or light) can escape out is known as a Black Hole. Black holes are invisible and not black, since, they just don’t escape light doesn’t mean they are black in colour. According to an observer, time appears to freeze…
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