Black Holes What are Black holes ? A concentration of mass so dense that nothing — not even light — can escape its gravitational pull once swallowed up. Many galaxies (incl...
Astronomic Terms What is Astronomy ? A stronomy is a natural science that studies celestial objects and phenomena. It uses mathematics, physics, and chemistry in order to explain ...
Universe Size Comparison (Continuation) 16) Vega = 3,800,000 km Information - Vega is the brigh test star in the northern constellation of Lyra . Vega's absolute magnitude is +0.582. 17) Arcturus = 36,000,000 km Information - Arcturus, designation α Boötis, is the brightest star in the constellation of Boötes, the fourth-brightest in the night sky, and the brightest in the northern celestial hemisphere. Arcturus's radius is 17.671 million km . 18) Rigel = …
Universe Size Comparison ( From smallest to biggest ) 1) Ceres = 950 km Information - Ceres is the largest object in the asteroid belt that lies between the orbits of Mars and Jupiter Its mass is 8.958 * 10^20 kg . 2) Moon = 3,500 km Information - The Moon is an astronomical body orbiting the Earth and the planet's only natural satellite . The Moon's gravity is 1.62 m/s^2. 3) Callisto = 4,800 km Information - Callisto , or Jupiter IV is the second-largest moon of Jupiter after, Ganymede . Callisto's gravity is 1.236 m/s^2.…
This is a species of flowering plant in the soapberry and lychee family. It is native to a small area in the Pindus Mountains mixed forests and Balkan mixed forests of South East Europe. The flowers are usually white with a yellow to pink blotch at the base of the petals. These pretty flowers are seen in spring.
(The content is contributed to The Sundarban Times by Het Ambaliya ) WHITE THROATED KINGFISHER The White-Throated Kingfisher (Halcyon Smyrnensis) also known as the white-breasted kingfisher, is a tree kingfisher, widely distributed in Asia from the Sinai east through the Indian subcontinent to the Philippines. (Photo courtesy Het Ambaliya.) (Location of photo: Sundarban society) It can often be found well away from water where it feeds on a wide range of prey that includes small reptiles, amphibians, crabs, small rodents a…