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Astronomy

The 88 Constellations

How many of the constellations can you identify? Click here for a list of all 88 official constellations as determined by the International Astronomical Union.

 
The Sun
We observe the Sun daily (weather permitting) from the Abbitt Observatory. Click here for our Solar Observing FAQ.
 
Looking for the Planets in 2008?
Mercury
Mercury
Mercury

January: Visible low in the west just after sunset.
February: Not visible to northern hemisphere observers this month.
March: Look near Venus for faint Mercury in the early morning sky before sunrise.
April: Too close to the Sun for viewing this month.
May: Our best chance to see Mercury this year comes in the first half of the month – look to the sunset and the western sky for the fading little planet.
June: Too close to the Sun for viewing this month.
July: Visible with difficulty just before sunrise.
August: Look for Mercury near Venus in the early evening sky after sunset.
September: Almost impossible to see this month.
October: Look to the east just before sunrise in the second half of the month to catch this elusive planet.
November: Mercury will only be visible during the first few days of November in the east before sunrise.
December: Poorly placed for viewing this month.

 

Venus
Venus
Venus

January: Shines brightly in the eastern sky as the “morning star” just before sunrise.
February: Continues to dominate the morning sky, look for it paired with brilliant Jupiter on the 1st of the month.
March: Fading but still beautiful, Venus continues to be our “morning star.”
April: Rapidly approaching the Sun, Venus becomes harder and harder to spot as the month progresses.
May: By the second half of the month, Venus will be too close to the Sun to observe safely.
June: Too close to the Sun for viewing this month.
July: Switch to an “evening star,” look for Venus in the west after sunset.
August: Catch a glimpse just after sunset by looking to the west.
September: Very difficult to find, low in the west after sunset.
October: Once again shining bright as the “evening star” in the west after sunset.
November: Dominating the early evening western sky, look for Venus to pair with bright Jupiter on the last evening of the month.
December: Approaching maximum brilliancy, Venus dominates the western sky at sunset.

 

Mars
Mars
Mars

January: Visible nearly all night long in the constellation Taurus.
February: Visible in the east in the early evening, but the planet is fading rapidly as it moves away from us.
March: Now in the constellation Gemini, the red planet stands high in the south at sunset.
April: Stands high in the southwest after sunset.
May: Now drifting into Cancer, Mars continues to be high in the southwest at sunset.
June: Now in Leo, Mars sets in the west before midnight.
July: Look for Mars paired beautifully with Saturn in the western sky in the early evening – they will be especially close on the 10th.
August: Now in Virgo, Mars sets close to the Sun in the west.
September: Nearly impossible to see in the west after sunset.
October: Too close to the Sun for safe viewing this month.
November: Too close to the Sun for safe viewing.
December: Continues hiding behind the Sun, not visible again until next year.

Jupiter
Jupiter
Jupiter

January: Too close to the Sun for viewing this month.
February: Shares the morning sky with Venus, look to the east before sunrise.
March: Stands high in southeast before sunrise.
April: Rising in the wee hours of the morning, Jupiter will be high in southeast at sunrise.
May: Look for Jupiter to rise in the east during the late evening hours.
June: Visible nearly all night, crossing the sky in the constellation Sagittarius.
July: Visible nearly all night, crossing the sky in Sagittarius.
August: Jupiter continues to cross the sky throughout much of the night.
September: Our one remaining easily visible planet, standing in the south after sunset.
October: Stands in the south at sunset.
November: Shines beautifully in the western sky at sunset.
December: Setting closer and closer to the Sun in the west each evening.

 

Saturn
Saturn
Saturn

January: Spending the year in the constellation Leo, Saturn is visible rising in the east during the evening hours.
February: Visible nearly all night long, crossing the sky in Leo.
March: Continues to be visible nearly all night long near the bright star Regulus in Leo.
April: Still visible nearly all night in Leo.
May: High in the south after sunset.
June: Look for Saturn along with Mars in Leo, in the western sky after sunset.
July: Continues to travel with Mars in Leo in the west after sunset.
August: Too close to the Sun for easy viewing.
September: Too close to the Sun for safe viewing this month.
October: Now a morning planet, look for it to rise just before the Sun in the east.
November: Rises in the east after midnight.
December: Rises in the east near midnight.

 

Buying a Telescope?

Thinking of purchasing a telescope? Click here to check out our Telescope FAQ before you buy![

 

Astro Links - Links to Astronomy Sites

Astronomy Magazines and Resources

Sky and Telescope

Astronomy Magazine

Spaceweather

Telescopes

Celestron

Orion

Astronomical Images

Astronomy Picture of the Day

Hubble Space Telescope

Eclipses

NASA's Eclipse Home Page

Observing Satellites

Heavens Above

NASA's J-Pass

Other Sites

NASA Homepage

I.P.S. Homepage International Planetarium Society

Dark-Sky Association Support the Movement for Dark Skies

 

The Museum is an official NASA Space Place. Check out these neat activities for kids.

The Space Place is a partnership between the International Technology Education Association and NASA's Jet Propulsion Laboratory.

Got a Space Place Question? Send it to the Astronomy Department, with the subject line "Space Place Question." Six questions per month will be sent along to Dr. Marc Rayman at the Space Place. To see if YOUR question is chosen, call the Space Place at (866) 575-6178 (Toll Free) or visit the Space Place Website.