Astronomy
The scientific study of celestial bodies. Find questions on Constellations, Planets and more.
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Asteroid collision. A massive part of earth.
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It is an observer's position on the Earth which affects the length of day and night. If you stay in one place on the Earth then...
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If you observe from the place the shadow falls, you would see a solar eclipse.
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It gives the initial boost to get the rocket off the ground, as the fuel burns up it empties the stage, so to get it into space...
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It has something to do with the gravitational pull on the Earth. I was able to do it today. From what I heard you won't be able...
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Hubble demonstrated that the light from distant stars and galaxies is "red-shifted" - the spectrum of the light was shifted to...
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A shadow in an area where light from any light source cannot reach reach because of an blocking of an object.The dark region of a...
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Apollo 11 had a crew of 3 astronauts. Neil Armstrong was the Commander and Edwin Aldrin was the Lunar Module Pilot. Whilst the...
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The "how" is an open question, although the current theory is that the present incarnation of the universe was started at the...
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well the sun obviously gives a constant amount of light. the real factor for the amount of daylight is the earth its orbit around...
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Microscopes use different amounts of lenses depending on the microscope.
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About 100 light years away.Hope this helps.
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These meteors are all part of a group, with similar orbits; pressumably created by the disintegration of some comet. When the...
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sometimes, a glow in the night sky may be observed near the south pole. This is called as aurora australis. This is created by...
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The total energy of a satellite doesn't change. At its closest approach to the planet, it has the most kinetic energy and the...
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Based on what? If you know the radius, you can use the formula for a sphere - which is a good approximation in the case of Earth...
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because, it gives them energy to reproduce
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Waning gibbous, then last quarter.
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A solar house has special equipment (photovoltaic cells) that convert sunlight intoenergy for the home.
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play golf. the balls would fling miles!
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The Earth is constantly in a state where is does nothing but rotate.
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Yes, there are young stars in the Milky Way Galaxy.
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because the earth is tilted, the sun's rays today hits more directly at either the northern or southern hemisphere at different...
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the temperature of pluto is so cold that air of the kind we know would freeze
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that depends on what you believe . some say meteors. some say it just came like that noone truly knows
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The further something is away form us the longer the light from it has been travelling to reach us. Thus when we look at very...
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1,763,587,611,955,082.2 Miles. That's 1 quadrillion 763 trillion 587 billion 611 million 955 thousand and 82.2 miles.
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Basically, it needs a strong gravitational attraction to pull the star together. This requires a large mass.
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People die every day...... (what a depressing thought). If it was because of/for science, someone else should answer...
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tides
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Those are the dates when Earth is closest to and furthest away from the sun, respectively.
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The autumnal equinox would be the opposite.
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Life can also exist on Mars because they have found a statue of something. Life can exist on the moon because there is water....
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In 1705 Halley determined the comet's periodicity, but he was not the first person to discover it.
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There's only one "type" of electromagnetic radiation. We distinguish different categories by frequency or wavelength. (The...
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1. It rotates on its own axis. In the Moon's case, the gravitational interaction between it and Earth have synchronized that...
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It's way too slow to make us dizzy because the axis of rotation is very far from us.
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According to Wikipedia, 5.9736×1024 kg. That's about 6 million million million million kilograms.
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Gravity, Magnetism, and Strong or Weak Nuclear forces. The closer the object the stronger the force.
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Corona.
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The minor lobe is divided into two parts; side lobe and back lobe. Both side lobe and back lobe could be called minor lobe.
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it is high tide
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Black holes are the most massive objects known, and they have the greatest gravity. The reason they are important is that they...
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Sure. Every object that has a mass - and that includes anything we can see - has a gravitational pull.
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Era, Jupiter's wife was milking one of her children when her boosom let go a squirt of divine milk. All those tiny droplets...
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meteorite
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When looking straight out say at a ship receding from a harbor with normal vision you would loose sight of the ship about 13...
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Solar eclipses can only occur at the time of New Moon. That's when the moon is between earth and sun, and can be in position to...
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The tremendous outward pressure of the energy generated at it's core balances the gravitational force exactly. It is known as...
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Because during a small part of the year, Orion's Belt is in nearly the same direction from your eyes as the sun is.
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Sure. If a fairly large-sized comet hits the Earth, with a speed anywhere between 10 and 72 km/sec, that involves a huge amount...
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Canopus or Alpha Carinae is not believed to be a binary star.It is a yellow/white super giant star of spectral type F0 Ia.It is...
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If you believe in God and you believe that God created everything, then sure. If you believe in science, then a black hole is...
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Algenib is clearly blue if not then you answer it.
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Parsecs. In popular astronomy texts, light-years are also often used.
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Then the seasons would be much more pronounced than they currently are. Intelligent life might not be possible, and it would...
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From what i have learned is when a shooting star falls to eatrh is when the star gets too close to earth the gravity pulls it and...
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It will be 30 pounds i.e 1/6 th that of earth
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A shooting star is caused when a piece of material enters the Earth's atmosphere and burns up .
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It's a lot hotter
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George Gamow
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no, because there is no sun, which is needed for a SOLAR eclipse
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Rock, metals, ice and dust.
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As the moon orbits Earth, it's gravitational pull actually raises and lowers the sea level. If the moon is overhead. you are...
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Blah blah blah this blows
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This was found out when Uranus covered a star. Five times before and after the main event, the light of the star dimmed. Because...
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As you get closer to the black hole your body begins to disintegrate. Yopu eventualy disolve into sub-particles and are sucked...
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It takes approximately 365.25 earth days of 24 hours each to complete one orbit around the sun. In calendars we just state 365...
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The study of astronomy was begun by the ancient Babylonians and Sumerians, and continued by the Egyptians and the Greeks. Much of...
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The same will happen for any location that is less than 23.5 degrees from the equator.
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I guess that if you are depressed, you can get consolation from looking at the stars.
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Yes, an earthquake could change the axis about which the earth rotates. The earth's axis of rotation is changing in any case, and...
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Neither - Eltanin is a K type star
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Yes. Light can travel through the vacuum of space and so a mirror would work (i.e. it would be able to reflect that light). The...
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a) Earth is not a star, but a planet.b) Earth is not part of "another galaxy", but of our own galaxy.
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Gravity on Earth is about 6 times as strong as on the Moon.
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Waxing Gibbous
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The corona.
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That would be 186,000 miles per seconds times 60x60x24x365.25=5.8 trillion miles-- a lot less than America's debt right now!
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One solar mass is defined as being the mass of the Sun. This isn't particularly useful, except when we are comparing the masses...
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Lunar eclipses, such as the one that will be visible across North America on December 21, 2010, are quite lovely and perfectly...
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See related question.
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How about tonight? Comet McNaught is barely visible to the naked eye in the pre-dawn skies now, but ought to be fairly easy to...
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Stars that turn into white dwarfs do not have enough mass to "go" supernova. [See related question] However, in rare cases,...
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Stars is a matter composed of different gases present in the vacuum, so no star is related to any planet but is present where it...
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Several pieces of evidence. For example, the parallax: the apparent position of a nearby star changes slightly, because of the...
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Only for geeks with good telescopes; otherwise, you can't see it.
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Gravity from the object (e.g. planet, moon e.t.c.) that they are orbiting.
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For shorter distances, out to a few hundred light years or so, we can measure the distance with trigonometry and parallax. Look...
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The Sun's gravity changes the direction of any ray of light that passes near it.
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The terms "horizontal" and "vertical" presume a fixed frame of reference, which does not exist in space. So the answer would be...
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Its called the inverse square law. Stars twice as far away are one quarter as bright. (3 times as far, one 9th as bright, etc).
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This question does not makes any sense
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"Declination" as a sky coordinate is exactly analogous to 'latitude' on the earth's surface. The declination of any point in the...
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The mathematics of the Doppler effect, when applied to the shift in frequency exhibited by the components of the spectra from...
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