What is a space quasar?

The future of astronomy is set to be revolutionized by the James Webb telescope. In just its initial month of operation, it has already surpassed all expectations. With its impressive system of 18 hexagonal mirrors coated in gold, this telescope has the ability to peer further into the depths of the universe than any of…

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Relict radiation photograph

The majority of our universe is composed of an elusive substance known as dark matter, which remains invisible and undetectable to our instruments due to its lack of interaction with ordinary matter. However, against all odds, a team of researchers at the Atacama Telescope has achieved the remarkable feat of mapping this enigmatic dark matter,…

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How the duration of daylight changes

As autumn arrives, the duration of daylight gradually decreases while the nights become longer. This natural phenomenon, known as the diminishing of daylight, occurs due to the Earth’s axis tilt and its orbit around the Sun. As the northern hemisphere moves farther away from the Sun, the intensity and duration of sunlight in that region…

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What is the mass of the Sun?

The Sun’s mass is approximately 2-10³⁰ kilograms, which is equivalent to two thousand billion billion billion billion billion billion billion billion kilograms or two million billion billion billion trillion tons. More precisely, it is 1.98892-10³⁰ kilograms, which is equal to 332,940 times the mass of planet Earth. It is difficult to comprehend the enormity of…

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What is the name of the law that describes the expansion of the universe?

The Hubble-Lemeter law, also referred to as Hubble’s law, is a crucial principle in the field of cosmology that elucidates the correlation between the distance and speed of faraway galaxies within an expanding cosmos. This principle stands as the paramount evidence for the universe’s expansion and holds significant significance in contemporary observational cosmology. Discovery and…

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What is the size of Betelgeuse

If you are situated in the temperate latitudes of the Northern Hemisphere, chances are you are familiar with the whereabouts of the Orion constellation. Recognized as one of the most prominent constellations in the night sky, alongside the Big Dipper, it never fails to capture one’s attention. The three stars that comprise Orion’s belt are…

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