Galaxy Facts

The largest galaxies have nearly billion stars. There are an estimated   billion stars in the milky way, our galaxy. If you tried to count all the stars in just our galaxy at a rat of one star per second, it would take you about 3000 years.

Galaxies

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50 Years of Spaceflight
In this era of 50 years of Manned Space Flight, USA stands at the top of the list in the Nations with the most Astronauts who have been sent to the space. Russia stands at the third position with France and Germany following it. The farthest Manned Missions from Earth is Apollo 13 which has travelled around 401,056 km in 1970. Next farthest is Apollo 8 followed by Gemini 11 and Gemini 10. Yur...
How Far are the Stars
Until 1838, Astronomers had little idea of the true size of the Universe. But in that year, Friedrich Bessel used a technique called the parallax method to make the first successful measurement of the distance to a star. Modern astronomers have many different ways of figuring out how far away an object is, but they all depend ultimately on the parallax method. As the Earth orbits the S...
Astronomy 101 Collection
According to Quantum mechanics, electrons bound to an atom can only have particular values of energy; they are unique to that element. Absorption or emission of a photon of light by the atom occurs when the energy of that photon matches the difference between two of these energy levels. The gravitational pull of any object gets weaker the further you move from the object. Thus, the Moon p...
Farside of the Moon
The farside of the moon is always turned away from the Earth. Its appearance remained a mystery until 1959, when the Russian spacecraft Luna 3 was able to travel behind the Moon and send back the first photographs. Although the farside looks similar to the moon’s nearside, there are obvious differences. It has few maria, because the lunar crust is thicker than on the nearside, making it dif...
Astrology Star Chart Fall
A star chart or star map is a map of the night sky. Astronomers divide these into grids to use them more easily. They are used to identify and locate astronomical objects such as stars, constellations and galaxies. They have been used for human navigation since time immemorial.
How Eclipses of the Sun Happen
In its 27 – day Orbit of the Earth, the Moon sometimes passes directly in front of the Sun and we see a solar eclipse. In one of the natural world’s most eerie, beautiful spectacles, the dark circle of the Moon gradually creeps over the Sun. Between two and five solar eclipses are visible from somewhere on the Earth each year. When the Moon is at its farthest from the Earth, it is not ...
List of All Space Missions to Different Planets and Beyond
Space examination or the Space missions is the disclosure and examination of space by system for space mechanics. Physical examination of space is administered both by human spaceflights and by robotic shuttle. While the observation of articles in space, rumoured to be Astro science, starts before reliable recorded history, it was the development of unbelievable and similarly profit...
Black Holes Explained
The most Bizarre objects in the Universe, black holes are aptly named – they emit no visible light at all. And yet, most black holes are the end state of the most brilliant objects in the cosmos; giant stars that go supernova. The super compressed core that remains after the explosion has such strong gravity that even light cannot escape it – so the object is black.
Star Map - Polar
Polar Star utilizes four diverse strategies for electronic travel to defeat the challenges of towering-scope operations, and an electronic impetus control framework to finally administer six diesel-controlled impetus generators, several diesel-controlled send's utility generators, several impetus gas turbines, and different supplies fundamental to the smooth operation of the boat. The far reac...
List of Earth's Satellites
The planet's first counterfeit satellite, the Sputnik 1, was started by the Soviet Union in 1957. In light of the fact that then, many satellites have been started into space around the Earth. Certain satellites, remarkably space stations, have been started in parts and collected in circle. Fake satellites begin from more than 50 nations and have utilized the satellite starting abilities of te...
Old Time Map of Celestial Objects
The divine circle might be acknowledged to be interminable in sweep. This denotes any focus within it, incorporating that involved by the spectator, might be recognized the inside. It moreover indicates that everything parallel lines, be they millimeters separated or crosswise over the Earth's planetary group from one another, will appear to cross the circle at a lone indicate, comparable to the v...
Understanding Auroras
The gathering storm is formed when the solar wind’s magnetic field is pointing in the opposite direction to that of the Earth, it sets up a chain of events that leads to a substorm and produces a Spectacular Aurora. The Earth’s magnetic shield, or magnetosphere, protects the planet from the solar wind, which usually just passes around the earth.
Comet Explanation
Astronomers expect spectacular displays of meteor showers over North America and Europe on Wednesday and Thursday as the Earth crosses the path of Comet Swift-Tuttle’s Orbit. The comet you see from your eye is actually the icy dust from the comet burning off as it nears our Sun.
Red Giant Stars Explained
A red monster is an iridescent monster star of level or halfway mass (harshly 0.5–10 sun oriented masses) in a late stage of stellar development. The external environment is swelled and tenuous, making the span monstrous and the surface temperature flat, an as yet undisclosed place from 5,000 K and easier. The manifestation of the red monster is from yellow orange to red, incorporating the unearth...
Measuring the Stars
As we cannot yet travel outside the solar system, we have to learn as much as we can about the stars by studying them at a distance.  Astronomers can tell the brightness, color, and temperature of a star by analyzing the light it gives out. By splitting starlight into its constituent colors, they can find out what the stars are made of and how fast they are moving. Stars are so far awa...
Apollo Lunar Module Ascent Stage Interior View Aft
The Lunar Module Ascent Stage Interior View contains many core parts that include the cabin Relief Dump valve, overhead hatch, drogue. The core module in the middle contains oxygen control module, Ecs LiOH cartridge storage, Water Control module, ECS LIOH Cartridge, Cabin Recirculation Assembly. The lower part of the module contains some light weight protocols like Coupling Data Unit, Portable Lif...
Map of the Moon
The physical investigation of the Moon started when Luna 2, a space test started by the Soviet Union, made an effect on the surface of the Moon on September 14, 1959. Former to that the sole good to go method of investigation had been perception from Earth. The stroke of genius of the optical telescope realized the first jump in the value of lunar recognitions. Galileo Galilei is ordinarily...
Jupiter Explained: Inside and Out
Jupiter is the fifth planet from the Sun and the most vast planet in the Sun oriented System. It's a gas monster with mass one-thousandth that of the Sun but is more than two times the mass of every last trace of the different planets in our Earth's planetary group joined together. Jupiter is arranged as a gas monster plus Saturn, Uranus and Neptune. As one, these four planets are at times poi...