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Fall Sky
Map created in Guide 7.0 - click on the name of constellation to access its page.

Did Gold Fall From Outer Space?
Ever wondered where gold comes from, what inspired mankind's fascination with the shiny precious metal and where the next gold rush may be found?

Since a vertical fall was too fast for Galileo to measure accurately, he slowed it down by making the ball roll down an inclined board.

Timeline for the fall of the Dragon
Tomorrow morning, Thursday May 31, the SpaceX Dragon capsule will undock from the International Space Station, perform a series of maneuvers, and then come back home to Earth.

So, for example, while you would be technically correct in arguing that it takes a shorter amount of time for the Earth to fall to the Sun's surface than it would take to fall to the Sun's center under the assumption that all the Sun's mass is ...

Sunspots and the Rise and Fall of Civilizations Maurice Cottrell
There appears to be a correlation between the rise and fall of civilizations with the rise and fall of radiation from the sun.

FALL - Meteorite seen to fall. Such meteorites are usually collected soon after falling and are not affected by terrestrial weathering.

A "fall" as opposed to a "find" is a meteorite whose arrival on Earth is witnessed. Stones constitute 92% of the observed falls.
False Color ...

Fall: A meteorite that was observed as it fell through Earth's atmosphere and was retrieved. Since most falls are collected soon after hitting the ground, these meteorites are not badly degraded or weathered.

fall: A meteorite seen to fall. (See find.)
false-color image: A representation of graphical data in which the colors are altered or added to reveal details.

Fall of the West
By the end of the Third century, taking a few steps, the Roman Empire was split in a Western and an Eastern part, each with their own augusti (and/or caesares).

Star Fall
The night sky is full of stars. Try to capture them!
Robot Puzzle → ...

Updated fall 2007: Critics of darwinian evolution often quote mind-boggling numbers like I do in the previous paragraph to show that natural origins (not supernatural) are simply so statistically IMprobable that one must conclude that a purely ...

A "fall" means the meteorite was witnessed by someone as it fell from the sky. A "find" means the meteorite was not witnessed and the meteorite was found after the fact. About 33% of the meteorites are witnessed falls.

The fall-off in density is probably due to the fact that many stars are too faint to be cataloged at a distance more than 5 parsecs.

The fall constellation Andromeda is a Princess. She looks like a "V"! Andromeda is close to the north pole, so only a few people in the Southern Hemisphere can see it in the spring.

they fall over the sparcely populated areas that make up the majority of the Earth (including the oceans).
they fall during the day and are masked by the brightness of the Sun.
they fall during the night when few people are awake to observe them.

Free fall is a state that occurs while in orbit around a planet. In free fall, things appear to weightless.

Early Fall sunset on the Southern Oregon Coast at Meyers Creek, Jupiter shining brightly over the sea stacks. The Milky Way can be seen on the left side of the image.
Title: The ISS Skirting the Clouds on it's Long Journey
Submitted by: Richard Glenn ...

In the fall of 1924, on a photographic plate of the Andromeda Nebula, Hubble discovered something even more remarkable: Cepheid variable stars.

In the fall of 2005 the instrument was moved to its current location atop the Physics/Optics Building on the University of Alabama, Huntsville campus. This new location makes the instrument available for use by students.

In the fall of 1831 Faraday attempted to determine just how an induced current was produced. His original experiment had involved a powerful electromagnet, created by the winding of the primary coil.

Meteors fall into the Earth's atmosphere all the time... tons of them every year. But when the Earth passes through the debris left behind by a comet, then you get lots of meteors at once.... a shower.

After the fall of Rome, European astronomy was largely dormant, but significant work was carried out by the Muslims and the Hindus. It was by way of Arabic translations that Greek astronomy reached medieval Europe.

"They all fall within about a million years of each other," says Kaib. "Whether they are actually associated with this extinction event is not certain.

After the fall of the Old Kingdom came a roughly 200-year stretch of time known as the First Intermediate Period, which is generally thought to include a relatively obscure set of pharaohs running from the end of the Sixth to the Tenth, ...

Supernovae fall into two different types whose evolutionary history is different. Type I supernovae result from mass transfer inside a binary system consisting of a white dwarf star and an evolving giant star.

During the fall of 1995, the comet had a huge outburst in activity and shortly afterwards four separate nuclei were identified and labeled "A", "B", "C", and "D", with "C" being the largest and the presumed principal remnant of the original nucleus.

Moon rocks fall into two main categories, based on whether they underlie the lunar highlands (terrae) or the maria.

Fall/Early Winter
Marathon #:
Find your inner astronomer. Your complete guide to amateur astronomy.

The rise and fall of this great civilization will be explored in the MAYAN TRILOGY tours. Join Astronomy magazine's columnist, Bob Berman, as he follows on the trails of the Maya in Mexico on Tour I: The Dynasty of Maya Kings.
Journey includes: ...

Dew does not "fall" from the sky. It condenses from the surrounding air onto any object that's colder than the air's dew point. The dew point, often mentioned in weather broadcasts, depends on both temperature and humidity.

Some galaxies fall outside the commonly recognized sequences. Many of these are "train wrecks", transient forms produced by the interaction or merger of galaxies.

The satellites fall into three fairly natural groups. First, there are the "small" moons"irregularly shaped chunks of ice, all less than 300 km across"that exhibit a bewildering variety of complex and fascinating motion.

If you were to fall into a black hole the thing that would kill you would be the tidal force. The tidal force (so named because it accounts for the tides on the Earth) is due to a body receiving different amounts of gravitational force.

fall Of a spacecraft or spatial body, to drop toward another spatial body under the influence of the latter's gravity.

To fall down or fall to pieces.
A crash or forceful joining together.

A new star will fall at a specific point on the main sequence of the H-R diagram.

Escape Velocity - Fall In Love...
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Search over 100 encyclopedias and dictionaries: ...

The Decline and Fall of the Pioneer Anomalous Acceleration
15 Jul 2011 - Turyshev et al. (2011, PRL accepted) have recovered and analyzed old tracking files on Pioneer 10 and 11, more than doubling the time span of the available data.

The galaxies that fall into this group are Messier 100, Messier 85, Messier 99, Messier 88 and Messier 91.
Messier 53 (M53, NGC 5024) ...

Produced during the fall of the Soviet Union in the early 1990s, the film's plot may be regarded as a metaphor for those events and the effect they had on international relations at that time.

In computer operations, the time required for a pulse to fall to one-tenth of its peak value. See rise time.

More than two tons of material from this fall were found in an area or strewn field of approximately 500 square kilometers. Allende is a Carbonaceous Chondrite, Type CV3.

It shows that stars fall into several main groups including the main sequence, giants, supergiants and white dwarfs. Comparing stars on the diagram allows u to infer their properties and better understand their evolutionary path.

Slowly these planets reach their maximum distance only to fall back again towards their stars. The further away the planet gets, the cooler it becomes. Over the course of the year of such worlds, the heat received from the star can vary widely.

The two brighter stars of the exquisite constellation Delphinus (the Dolphin) fall well outside the traditional systems of naming stars after their characters or constellation placements (however confused these have become).

The most obvious possibility is that the first phase of vigorous star formation was essentially complete prior to z = 10 (which, coincidentally, is when the universe is approximately 1 galactic free-fall time old).

These layers don't fall in because the high pressure of the gases inside of the star prevent that. The star is balanced - it doesn't cave in on itself or blow itself apart.

I have been observing since the fall of 1982 and every observing session is recorded in my logbook. Each session describes where I was observing from, who was observing with me (if I had company), what I saw, and what each object looked like.

Meteorites that are discovered by accident are called "finds"; those discovered because someone has seen a meteorite fall are called "falls" (well, sometimes even scientific nomenclature is simple and logical!).

(An analogous situation is watching rain fall from a moving train - although a raindrop is falling straight to the ground, it will appear to fall at a slant, and the slant increases as the train's speed increases.) The aberration of light is due to ...

(An analogous situation is watching rain fall from a moving train - although a raindrop is falling straight to the ground, it will appear to fall at a slant, and the slant increases as the train's speed increases.) The aberration of light is due to ...

What would happen if you were to fall into a black hole? As the you approach the black hole, your watch would begin to run slower than the watch of your colleagues on the spaceship. Also, your comrades notice that you begin to take on a reddish color.

Most scopes found at the Nature/Science stores at your local mall also fall under this category. These telescopes are little more than toys and will likely kill your budding enthusiasm.

Around the world, farmers know that for most crops, you plant in the spring and harvest in the fall. But in some regions, there is not much differentiation between the seasons.

This happens when (1) we use a magnification that is so low that the speckles fall below the spatial or temporal resolution of the fovea, or (2) we use an aperture so small that the speckles fall below the telescope resolution.

Last fall I added two windows for the southern US States. For the southwestern US these are good, but for the southeastern US, all weather numerical models have problems in forecasting deep convection from April to October.

Because of this difference between the lunar year and the seasonal year, the quarter moon one lunar year from now (2003) won't fall on Veterans Day, but on Halloween.

Occasionally, a member of the Oort Cloud or Kuiper Belt is nudged from its orbit and begins to fall toward the Sun. As it gets close to the Sun, it gets warmer.

These four giants neatly fall into two pairs: the giant gaseous planets of Jupiter and Saturn, and the giant ice planets of Uranus and Neptune. This separation is largely a consequence of size.

1638 - Galileo Galilei demonstrates that unequal weights would fall with the same finite speed in a vacuum, and that their time of descent is independent of their mass.

Any orbiting body, including the space shuttle or the International Space Station is in constant free fall.

Definition: Roche lobe: The volume around a star in a binary system in which, if you were to release a particle, it would fall back onto the surface of that star.

earthen bodies fall to Earth, rain falls from the sky, travelling through rivulets, to streams, to rivers and finally to the sea). Aristotle adopted Pythagoras' model of concentric spheres for the planets, but deduced that the Earth must be immobile.

A magnetometer boom appendage is typically the longest component of the structure subsystem on a spacecraft, although since it is deployable, it may fall under the aegis of the mechanical devices subsystem discussed below.

At other times, it will fall the other way, towards the Sun.
Since comets range in size from a small boulder to larger than a mountain, as they fall closer to the Sun, ...

The south cap is formed during the long, 382 (terrestrial) days of southern fall and winter when Mars is near aphelion, and it covers more than 70 areocentric degrees at greatest extent (extending below latitude 55º).

Notice that some stars fall in between the giants and the Main Sequence. For example, Polaris isn't in the giant band but very close. Some books refer to Capella as a yellow giant but here you see it is on the edge of the Main Sequence.

In the summer and fall of 1610, Galileo watched Venus change phases in the evening sky.

For my camera, Jupiter was bright enough to focus on without the telescope this past fall, but Saturn wasn't. Bring the focus just slightly closer than infinity. Then hold the camera directly over the eyepiece.

Pegasus, the flying horse, is late fall's signature constellation. It represents the winged horse that was born from the blood of Medusa when she was beheaded by Perseus.

As meteorites fall to Earth, they can appear as a or a brilliant display called a . As it falls, the meteorite is called a .

Four known asteroid groups fall beyond the main belt but within or near the orbit of Jupiter, with mean distances from the Sun between about 3.28 ... (100 of 10,027 words)
table of contentsExpand
Major milestones in asteroid research ...

Every now and then a comet is knocked or pulled out of the Cloud to fall into the Solar System in a closer orbit around the Sun.

When their fuel is spent, they separate from the tank, fall back into the sea, and are retrieved for re-use on subsequent Shuttle missions.

The initial driving force for RADAR (Radio detection and ranging) was originally to make a radio death-ray to make bombers fall out of the sky in flames! ...

The process of allowing electromagnetic radiation to fall on light-sensitive materials such as photographic films or plates. An exposure is also the image created by the process.

If any part of a meteoroid survives the fall through the atmosphere and lands on...
What is a meteor meteorite comet and meteor shower?
A meteor is the visible path of a meteoroid that has entered the Earth's...

He lords over the heavens from late fall to early spring, with his hunting dog Sirius trailing at his feet. The mythic tales of Orion go as far back as the Hittites, who flourished from the Second Millenium BC to around 1200 BC.

"It's very unlikely that there are alien cities on the edge of our solar system, but the principle of science is to find a method to check," Turner said. "Before Galileo, it was conventional wisdom that heavier objects fall faster than light objects, ...

4. The seasons of spring and fall occur between the seasons of summer and winter. The order of the seasons is spring, summer, fall, and winter.

There is a class of objects known as “radio stars' that emit radio waves although all radio stars do not fall into one category.

To answer it let see in which category you fall into. But also remember that the best telescope is the one you'll use most frequently, not the one that will collect cobwebs in the basement for not being practical enough to be used.

Short Description: Students discover how the moon's gravitational pull causes the level of the ocean to rise and fall twice a day along most coastlines through this kinesthetic activity.

They are icy rocks originating from the very outer regions of the solar system, where the gravity of the massive planets can cause them to 'fall' into the inner solar system.

Because the physical properties of stars are interrelated, stars do not fall randomly on such a diagram, but instead lie in well-defined regions according to their state of evolution.

These are some of the main arguments that the conspiracy theorists put forward and as you can see with the appliance of science and a bit of common sense they quickly fall apart.

Meteoroid Small bodies in orbit about the Sun which may fall to Earth or to another planet.
More about meteoroids...

Centaurus is a magnificent sight on a balmy spring night (it reaches culmination on 30 March) or a pleasant fall evening if you live in the Southern hemisphere. Centaurus is truly a jewel of the southern sky.

that can boost its brightness by five times in less
than a minute, then fall somewhat slower back down to
normal luminosity within two or three minutes before
flaring suddenly again after several hours.

The object of zero radius into which the matter of a black hole is believed to fall.
Sinuous Rille
A narrow, winding valley on the moon caused by ancient lava flows along narrow channels.

A solar filament that disappears suddenly on a timescale of minutes to hours. The prominence material is often seen to ascend but can fall into the Sun or just fade. DSFs are probable indicators of coronal mass ejections.
disk ...

"Having drawn all his human figures, except Bo÷tes, Andromeda and Virgo, with their backs towards us, those stars, which all before him place in the right shoulders, sides, hands, legs or feet, fall in the left, and the contrary ...

Bayer designation the Greek and Latin letters assigned to stars in a constellation by Johann Bayer in 1603 binary star two stars gravitationally bound together, orbiting a common centre of mass blue moon 1. the second full moon to fall ...

Plants use energy from the sun to grow, and gravitational energy causes objects to fall to the ground.

The Sun was born in a vast cloud of gas and dust around 5 billion years ago. Indeed these vast nebulae are the birth places of all stars. Over a period of many millions of years, this gas and dust began to fall into a common center under the force of ...

H-R Diagram: The H-R (Hertzsprung-Russell) diagram is used by astronomers to classify stars according to their luminosity, spectral type, color, temperature and evolutionary stage. Most stars fall into the Main Sequence, ...

Airy disc The bright central part of the image of a star. It is surrounded by diffraction rings and its size is determined by the aperture of the telescope. About 85% of the light from the star should fall into the Airy disc.

See also: See also: Earth, Astro, Planet, Sun, Astronomy

Astronomy  Failed star  Falling star

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