How much damage can a space debris do ? An example of the damage caused, a tiny speck of paint from a satellite once dug, a pit in a space shuttle window nearly a quarter – inch wide.
1mm metal chip could do as much damage as a 0.22-caliber long rifle bullet. A pea-sized ball moving this fast is as dangerous as a 400 lb safe travelling at 60 mph. A metal sphere the size of a tennis ball is as lethal as 25 sticks of dynamite.
Space Junk
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What Gravity does to Entropy
What qualifies as low entropy or high entropy depends on the situation. Physicists identify the high – entropy state of a system based on how the system evolves over time. For example, if a diffuse and sufficiently cool gas feels the tug of gravity, it evolves to a clump. The law of entropy increase then implies that the clump has high entropy, even though at first glance it might appear to be...
What qualifies as low entropy or high entropy depends on the situation. Physicists identify the high – entropy state of a system based on how the system evolves over time. For example, if a diffuse and sufficiently cool gas feels the tug of gravity, it evolves to a clump. The law of entropy increase then implies that the clump has high entropy, even though at first glance it might appear to be...
Different Types of Space Masses
All of the stars in “The size of our world” and all the stars you can see in the sky are only in our own galaxy ! What lies beyond our galaxy? It is a great miracle to know about these facts. The Hubble space telescope kept its camera pointed there for over 4 months, taking in all the light it could. The area, about a tenth the size of the full moon, appeared to be complete blackness with no st...
All of the stars in “The size of our world” and all the stars you can see in the sky are only in our own galaxy ! What lies beyond our galaxy? It is a great miracle to know about these facts. The Hubble space telescope kept its camera pointed there for over 4 months, taking in all the light it could. The area, about a tenth the size of the full moon, appeared to be complete blackness with no st...
Apollo Lunar Module A
The Apollo Lunar Module basically has five configurable parts that are used for the Lunar Landing Mission. The top most tip called as Command Module where all the commands execution takes place. The second component called as Service Module offers all the aided services that are to be offered to all the other components. Third is Spacecraft/Lunar Module adapter that looks after all the electri...
The Apollo Lunar Module basically has five configurable parts that are used for the Lunar Landing Mission. The top most tip called as Command Module where all the commands execution takes place. The second component called as Service Module offers all the aided services that are to be offered to all the other components. Third is Spacecraft/Lunar Module adapter that looks after all the electri...
Is There an Edge of the Universe?
The “dark flow” of wayward galaxy clusters that appear to be pulled in one direction could give us our first hint of something beyond the cosmic horizon, which normally marks the limit of the observable universe.
The “dark flow” of wayward galaxy clusters that appear to be pulled in one direction could give us our first hint of something beyond the cosmic horizon, which normally marks the limit of the observable universe.
Star Map - Northern Hemisphere December to May
In winter, constellations and stars are the main attractions because the milky way is faint. These include the brightest constellation, Orion, and the brightest star. Most of the visible stars are in our own local arm of the galaxy, which also contains several star nurseries that can be seen in close – up such as the Orion Nebula.
In winter, constellations and stars are the main attractions because the milky way is faint. These include the brightest constellation, Orion, and the brightest star. Most of the visible stars are in our own local arm of the galaxy, which also contains several star nurseries that can be seen in close – up such as the Orion Nebula.
Neuron Stars Explained
A neuron star is a sort of stellar leftover that can consequence from the gravitational breakdown of a huge star around a Sort II, Sort Ib or Sort Ic supernova occasion. Such stars are made very nearly truly out of neutrons, which are subatomic particles without electrical accuse and of a little more extensive mass than protons. Neuron stars are exceptionally sultry and are backed in opposi...
A neuron star is a sort of stellar leftover that can consequence from the gravitational breakdown of a huge star around a Sort II, Sort Ib or Sort Ic supernova occasion. Such stars are made very nearly truly out of neutrons, which are subatomic particles without electrical accuse and of a little more extensive mass than protons. Neuron stars are exceptionally sultry and are backed in opposi...
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...
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...
Deflecting Asteroids
Every object exerts a gravitational pull, including a single spacecraft. Merely by hovering above the asteroid. It could pull the rock off course. The approach could even be tried with the Dawn spacecraft, scheduled to finish its tasks in the asteroid belt by 2015. However, such a strategy would be very slow, requiring years or even decades to alter the path of the asteroid.
Every object exerts a gravitational pull, including a single spacecraft. Merely by hovering above the asteroid. It could pull the rock off course. The approach could even be tried with the Dawn spacecraft, scheduled to finish its tasks in the asteroid belt by 2015. However, such a strategy would be very slow, requiring years or even decades to alter the path of the asteroid.
Star Lifecycles
Stellar advancement is the methodology by which a star experiences an arrangement of radical updates around its lifetime. Hinging on the mass of the star, this lifetime extends from just a few million years for the most gigantic to trillions of years for the slightest huge, which is impressively longer than the time period characterized by the universe. All stars are born from falling mists of...
Stellar advancement is the methodology by which a star experiences an arrangement of radical updates around its lifetime. Hinging on the mass of the star, this lifetime extends from just a few million years for the most gigantic to trillions of years for the slightest huge, which is impressively longer than the time period characterized by the universe. All stars are born from falling mists of...
Variable Stars and What They are
These maps show stars visible all year in the northern and southern hemispheres. They also mark the position of interesting objects, such as star clusters and galaxies. To see what is visible, face north in the northern hemisphere and south in the southern hemisphere. The Variable stars contains pulsating variables, the eclipsing variables and the rotating variables. Toward the end of their...
These maps show stars visible all year in the northern and southern hemispheres. They also mark the position of interesting objects, such as star clusters and galaxies. To see what is visible, face north in the northern hemisphere and south in the southern hemisphere. The Variable stars contains pulsating variables, the eclipsing variables and the rotating variables. Toward the end of their...
50 Years of Spaceflight -- Capsles and Shuttles
It has been 50 years since the Russian pilot Yuri Gagarin has stepped onto the Moon in 1961. Since then more than 500 people have been launched into space in a variety of vessels. Twelve people have walked on the moon, and an additional 14 have flown over the moon without landing. The farthest away that humans have traveled so far was 248655 mi, which was achieved by the Apollo 13 astronauts ...
It has been 50 years since the Russian pilot Yuri Gagarin has stepped onto the Moon in 1961. Since then more than 500 people have been launched into space in a variety of vessels. Twelve people have walked on the moon, and an additional 14 have flown over the moon without landing. The farthest away that humans have traveled so far was 248655 mi, which was achieved by the Apollo 13 astronauts ...
National Geographic: The Heavens 1970
Consistent with Aristotle, the great figures are the absolute best substances, (or "substances"), whose movements are managed by standards different than these of figures in the sublunary circle.
Consistent with Aristotle, the great figures are the absolute best substances, (or "substances"), whose movements are managed by standards different than these of figures in the sublunary circle.
Dwarf Planets Explained
After Pluto was discovered in 1930, it was regarded as the ninth major planet, although it was soon found to be very different from the others. It is smaller than Earth’s Moon and follows an elongated, titled orbit. In the 1990’s astronomers began to discover small bodies similar to Pluto beyond Neptune. Some, such as Eris, were larger then Pluto. In 2006, astronomers decided to define a ne...
After Pluto was discovered in 1930, it was regarded as the ninth major planet, although it was soon found to be very different from the others. It is smaller than Earth’s Moon and follows an elongated, titled orbit. In the 1990’s astronomers began to discover small bodies similar to Pluto beyond Neptune. Some, such as Eris, were larger then Pluto. In 2006, astronomers decided to define a ne...
The Planets Interiors
Earth and the different several internal planets of our earth's planetary group (Mercury, Venus and Scratches) are causing of rock, to be containing regular minerals like feldspars and metals like magnesium and aluminum. So is Pluto. The different planets are not unyielding. Jupiter, case in point, is made up generally of trapped helium, hydrogen, and water. In our earth's planetary group, the...
Earth and the different several internal planets of our earth's planetary group (Mercury, Venus and Scratches) are causing of rock, to be containing regular minerals like feldspars and metals like magnesium and aluminum. So is Pluto. The different planets are not unyielding. Jupiter, case in point, is made up generally of trapped helium, hydrogen, and water. In our earth's planetary group, the...
Satellites Orbiting Earth
In the connection of spaceflight, a satellite is an item which has been put into space by human endeavour. Such protests are now and again called simulated satellites to recognize them from instinctive satellites for example the Moon.
In the connection of spaceflight, a satellite is an item which has been put into space by human endeavour. Such protests are now and again called simulated satellites to recognize them from instinctive satellites for example the Moon.
A Brief History of the Solar System
The process of existence or initiative of life in the Solar System looks very interesting. Life in the solar system is a monomeric nucleotide, pretty much just a simple molecular compound made out of a normal, every-day inorganic material. Life started in the Earth once the things inside it are cooled down a bit. Basically life in the Earth is a replicator, the way it just happened or formed. Life...
The process of existence or initiative of life in the Solar System looks very interesting. Life in the solar system is a monomeric nucleotide, pretty much just a simple molecular compound made out of a normal, every-day inorganic material. Life started in the Earth once the things inside it are cooled down a bit. Basically life in the Earth is a replicator, the way it just happened or formed. Life...
What a Mars Base Could Look Like
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The thousand year project might begin with a series of a 18-month survey missions. Each crew making the six – month journey from earth to Mars would add a small habitation module to the base. An Atmosphere could be made by releasing carbon di oxide now frozen in dirt and polar ice caps. Factories spewing potent greenhouse gases, and maybe space mirrors focusing sunlight on ice, could start ...
What our Universe Looks Like From Another Universe
The universe is usually described as the totality of being, incorporating planets, stars, universes, the substance of intergalactic space, and all matter and energy. Definitions and regulation change and comparative terms incorporate the universe, the globe and nature. Exploratory perception of prior stages in the infrastructure of the universe, which could be perceived at paramount separates, pre...
The universe is usually described as the totality of being, incorporating planets, stars, universes, the substance of intergalactic space, and all matter and energy. Definitions and regulation change and comparative terms incorporate the universe, the globe and nature. Exploratory perception of prior stages in the infrastructure of the universe, which could be perceived at paramount separates, pre...
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