AVAILABLE MONTHS

2010:  Jan  Feb  Mar  Apr  May  Jun  Jul  Aug  Sep  Oct  Nov  Dec 

2011:  Jan  Feb  Mar  Apr  May  Jun 

ON NOV 7, TURN CLOCKS BACK

"STANDARD TIME" RESUMES ON NOV 7

It is time once again to turn U.S. clocks back an hour on Sunday, November 7, (so 3:00 AM becomes 2:00 AM, etc.)  The maxim reminds us:  "Spring Forward, Fall Back." So this time of year we "gain" the hour that we "lost" in the Spring.

APPARENT PATHS OF THE PLANETS

This month we see "speedy" Mercury in 4 constellations and (at one point) very close to Mars, while Saturn lingers in central Virgo.

Note: in the 1.6.x and 1.4.1 links in this column below, planets east ("left") of the Sun are visible in your sky after sunset, while planets west ("right") of the Sun are visible before sunrise.

Run these links as often as you like, and keep an eye on CELESTIA's clock at the top right of its window.  Don't forget that you can use your keyboard's   J  K   and   L   keys respectively to reverse, slow down and speed up time in CELESTIA.


MERCURY: 2010 Nov

This month Mercury occupies 4 different constellations (Libra, Scorpius, Ophiuchus and Sagittarius), as it "leads" the Sun to the east.  On the 20th, Mercury appears only about three Moon diameters south of Mars  (1.6.x)   (1.4.1)


VENUS: 2010 Nov

In retrograde motion for the first half of November, Venus remains in Virgo for the whole month  (1.6.x)   (1.4.1).  Another occultation of Venus by the Moon occurs on the 5th, but it will be very difficult to observe, as Venus appears only 12° from the Sun that day.


MARS: 2010 Nov

As it traverses Scorpius and Ophiuchcus, Mars continues eastward, "chased" by the Sun and Mercury  (1.6.x)   (1.4.1)


JUPITER, URANUS & NEPTUNE: 2010 Nov

Jupiter, Uranus and Neptune continue their retrograde motion as November begins.  Uranus stays in Pisces and Neptune in Capricornus, while Jupiter remains in Aquarius  (1.6.x)   (1.4.1)


SATURN: 2010 Nov

Saturn moves slowly to the east in central Virgo for the whole month  (1.6.x)   (1.4.1)

CELES-TIPS

The following will help you enjoy this page's many links that run events directly in CELESTIA.  If you're new to the program, these tips will also help you learn to use it.

You'll find more information about many of CELESTIA's controls on our  Learning Center  page.


NEW ON OUR "BONUSES" PAGE

FREE ECLIPTIC & ZODIAC ADD-ON

Download our free "Ecliptic ∓ Zodiac Add-on"  right here or, if you would like more information about it, go to our  Bonuses  page and download the add-on there.  This adds the excellent "celestial signposts" of the Ecliptic and the Zodiac to CELESTIA to help guide you on your journeys through the cosmos!  Enjoy!

COMING NEXT MONTH

BEST LUNAR ECLIPSE SINCE 2007 AUG

On December 21, Earth will witness its best Total Lunar Eclipse since 2007 August.  Here is a preview of what to expect  (1.6.x)  (1.4.1).  Our News page for the month of December will feature a video that highlights this lunar eclipse, which—weather-permitting—will be able to be viewed particularly well in the western hemisphere.

THE SUN

APPARENT PATH OF THE SUN: 2010 Nov

Here are the Sun's positions along the Ecliptic at 00:00 UTC on the days shown.

The slightly curved lines above and below the Ecliptic show the extent of the Zodiac, which you may download from our  Bonuses  page and add to any version of CELESTIA.  Note that the curve in the Zodiac lines is the result of CELESTIA's rendering in perspective.

W A R N I N G !     It is never safe to look directly at the real Sun with the naked eye!  Moreover, looking at it through a telescope or binoculars—even for an instant—can cause permanent blindness!  NEVER DO IT!  Consult the professionals at your local planetarium or observatory to learn how you can safely "observe" the Sun and any SOLAR eclipse!

Of course, you can safely view CELESTIA's depiction of the Sun's apparent path in the sky in November.  Here are the links:  (1.6.x)   (1.4.1).  Note that versions 1.6.x and 1.4.1 differ in the way their "follow" and "lock" features work.  If you "follow" Earth and then "lock" the Sun to it, versions 1.6.x and 1.4.1 respectively maintain the "attitudes" of the Ecliptic and the the Celestial Equator.  This means that the Ecliptic remains "level" when you run the first link, but begins to tilt when you run the second!  Differences like this will be discussed on our  Help  page.


HALF OF EARTH IN SUNLIGHT & DARKNESS

During your voyages in CELESTIA, would you like to be able to position yourself directly over the center of the half of Earth in sunlight or the half in darkness at any time this month?  On our  Tips  page, you'll find that it's quite easy to do so!  If you're any kind of sky watcher at all, you probably know just how helpful this can be!

THE MOON

PHASES OF THE MOON: 2010 Nov

In UTC per CELESTIA 1.6.x (& 1.4.1):
  New: Nov 6, 4:52 (4:53). 1st Qtr: Nov 13, 16:39 (16:40).
  Full: Nov 21, 17:28 (17:29). Last Qtr: Nov 28, 20:37 (20:38).

NOTE: New, 1st Quarter, Full and Last Quarter Moons respectively are defined to occur when the Geocentric Ecliptic Longitudes of the Moon and the Sun differ by 0°, 90°, 180° and 270°.

To watch a short video demonstrating the Phases of the Moon,  click here.

The above diagram is produced with our "Moon Phases Calendar" script.  The numbers of the days of the month were added with an image-editing program.

To watch a short video of our Moon Phases Calendar in action,  click here.


LUNAR APOGEE & PERIGEE: 2010 Nov

Per CELESTIA 1.6.x (and 1.4.1):
    Perigee: Nov 3, 17:26 (17:27) UTC; 364,204 km.
    Apogee: Nov 15, 11:50 (11:51) UTC; 404,628 km.
    Perigee: Nov 30, 19:06 (19:07) UTC; 369,436 km.
Determined by our "Earth-Moon Distance" and "Moon's Apparent Path" scripts.  Note that distances given are the distances between Earth's and the Moon's centers.


LUNAR ANALEMMA: 2010 Nov

Here is the lunar analemma, generated by the Moon's positions relative to the mean lunar orbit and the Ecliptic at 0:00 UTC every day of November.

This phenomenon can be observed using our "Moon's Apparent Path" script.  The analemma's change of shape month after month begins to give us an idea of just how irregular the lunar orbit is.


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Various astronomical "shadow events" occur throughout the Solar System!  This month's more interesting ones are featured here.

SHADOW WORKS

Here we highlight the most awe-inspiring eclipses taking place in our Solar System.  We also set them up so that all you need to do is click on their links.  Don't forget that you can generate lists of Earth's, Jupiter's, Saturn's, Uranus's, Neptune's and even Pluto's eclipses, using CELESTIA's own built-in "Eclipse Finder."  You'll find it in the program's menu under "Navigation".

All events listed below are displayed as if viewed from Earth, their magnifications shown in parentheses at the lower right of CELESTIA's window.  Events involving more than one moon are often cyclical, so usually only the first example is given, and then the period of the cycle.

Remember: you can press the   M   key to toggle Moon Labels on and off .


JUPITER

Simultaneous solar eclipses occur this month on Jupiter, but hey are not as dramatic as last month's events.  Two or more Galileans visible at various times near Jupiter in November nonetheless give sky-watchers a treat.  Below are highlights of the 31 solar eclipses which Io, Europa, Ganymede and Callisto are responsible for this month.  Jupiter's shadow stretches eastward (to the left) this month, as it has done since its opposition with the Sun in late September.  Examples of some Galileans moving into or emerging from the Jovian shadow are included.


SATURN

While CELESTIA 1.6.x shows the shadows of Titan, Rhea, Iapetus, Dione and Tethys, version 1.4.1 displays only the shadows of Titan, Rhea & Iapetus.  So, 1.6.x and 1.4.1 respectively show 27 and no solar eclipses on Saturn in November.  Version 1.6.x reveals a few simultaneous solar eclipses.


URANUS, NEPTUNE & Dwarf Planet PLUTO

Neither Uranus nor Neptune will experience eclipses for decades.  Dwarf planet Pluto will experience no eclipses by Charon for about a century!



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News: 2010 November

News: