Astronomy Picture of the day (24 August)

Explosions from White Dwarf Star RS OphIllustration Credit & Copyright: David A. Hardy & PPARC Explanation: Spectacular explosions keep occurring in the binary star system named RS Ophiuchi. Every 20 years or so, the red giant star dumps enough hydrogen gas onto its companion white dwarf star to set off a brilliant thermonuclear explosion on the white dwarf‘s surface. At about 5,000 light years distant, the resulting nova explosions cause the RS … Read more

Astronomy Picture of the day (23 August)

Abell 3827: Cannibal Cluster Gravitational LensImage Credit: ESA/Hubble & NASA, R. Massey Explanation: Is that one galaxy or three? Toward the right of the featured Hubble image of the massive galaxy cluster Abell 3827 is what appears to be a most unusual galaxy — curved and with three centers. A detailed analysis, however, finds that these are three images of the same background … Read more

What is the name of the closest spiral galaxy to our own Milky Way?

The Andromeda Galaxy is the closest spiral galaxy to our Milky Way Galaxy . It is also called galaxy Messier 31, or M31 , named after famous French astronomer Charles Messier (1730-1817).  The size of this galaxy is even bigger than our Milky Way Galaxy.  And also in the night Sky it is larger than … Read more

Stunning view of spiral galaxy by ESA Hubble

This jewel-bright image from the NASA/ESA Hubble Space Telescope shows NGC 1385, a spiral galaxy 68 million light-years away from Earth, which lies in the constellation Fornax. The image was taken with Hubble’s Wide Field Camera 3 (WFC3), which is often referred to as Hubble’s workhorse camera, thanks to its reliability and versatility. It was … Read more

How big is the size of the universe? Size of the observable universe

How big is the size of the universe

How big is the size of the universe? Our universe is infinite, there is no end to it. However, the diameter of the observable universe is about 93 billion light-years. How big is our earth in the size of this universe? Our moon looks very close to the earth. But it is 3 lakh 84 thousand … Read more

Astronomers found a crumb of star moving through Milky Way at very high speed

view of milky way galaxy

Topic: Astronomers found a crumb of star moving through Milky Way at very high speed A chunk of stellar shrapnel is careering toward the edge of our Milky Way galaxy at almost 2 million mph (3.2 million kph), a new study reports. “The star is moving so fast that it’s almost certainly leaving the galaxy,” … Read more