Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

2016 April 8

Lapland Northern Lights
Image Credit & Copyright: Juan Carlos Casado (TWAN, Earth and Stars)

 

Explanation: Early spring in the northern hemisphere is good season for aurora hunters. Near an equinox Earth’s magnetic field is oriented to favor interactions with the solar wind that trigger the alluring glow of the northern lights. On March 28/29 the skies over Kaunispää Hill, Lapland, Finland did not disappoint. That night’s expansive auroral curtains are captured in this striking panoramic view that covers a full 360 degrees. Local skywatchers were mesmerized by bright displays lasted throughout the dark hours, shimmering with colors easily visible to the naked eye.

Young moon and Mercury after sunset

Tonight – April 8, 2016 – if you live in the Northern Hemisphere, you have a good chance of catching the young waxing crescent moon and planet Mercury in your western sky after sundown. Find an unobstructed horizon in the direction of sunset, and watch for the moon and Mercury to pop out over the sunset point on the horizon some 45 to 60 minutes after the sun goes down. Binoculars might be helpful for spotting Mercury, and also for viewing earthshine on the dark side of the moon!

Spring evenings present the best time to spot the young moon and Mercury, the solar system’s innermost planet. Since the March equinox is the Northern Hemisphere’s spring equinox, April 2016 provides northerly latitudes its best evening apparition of Mercury for this year.

For temperate latitudes in the Southern Hemisphere, where it’s now autumn, April evenings are unfavorable for spotting the young evening crescent and Mercury. But you still might catch them, especially with a camera, as Helio C. Vital did on April 5, 2016 from Rio de Janeiro, Brazil.

Why is Mercury so much harder to see now from the Southern Hemisphere? The ecliptic – or path of the sun, moon and planets – makes a steep angle with the horizon now, as seen from our northerly latitudes. But from the Southern Hemisphere, the angle is at its narrowest, placing Mercury low in the sky when the sun goes down.

For instance, consider two localities that reside close to the same meridian: 75^o west longitude: Philadelphia, PA (40^o north latitude) and Valdivia, Chile (40^o south latitude). At Philadelphia on April 8, 2016, the moon goes down about 1 hour and 40 minutes after sunset, in contrast to about an hour after sunset at Valdivia, Chile. Also, at Philadelphia, Mercury stays out for about 1 hour and 20 minutes after sunset, whereas at Valdivia, Mercury plunges beneath the horizon some 30 minutes after sundown.

At northerly latitudes, we’ll have plenty of opportunity to view Mercury after sunset for the next several weeks.

Day by day, Mercury will loom higher up at sunset, and will stay out longer after sundown. When Mercury reaches its greatest evening elongation from the sun on April 18, it’ll set a whopping 1 hour and 45 minutes after the sun at mid-northern latitudes.

So on any clear evening, as dusk is giving way to darkness, look for Mercury to appear over the sunset point on the horizon, staging its best showing of the year at northerly latitudes!

Bottom line: In the Northern Hemisphere? If so, you have a chance of catching the young moon and planet Mercury in the west after sundown on April 8, 2016, and in the evenings that follow.

 

Author

Bruce McClure

Article published on EarthSky

The Wisdom of Buddha

The mind is everything. What you think you become.

Consulting the Psychic 8 Ball

 

Query: How will our weekend be?

Hmm, leaves a lot to the imagination. Don’t panic because it will be a good weekend or don’t panic because it will be a bad weekend?

Your Daily Influences
April 8, 2016 

 

Seven of Cups
Deception, an overactive imagination, and the illusion of success. Strengths are not consolidated to work as one.

 

 

 

 

 

 

 

 

 

Fehu
Fehu reversed represents material stagnation, possibly poverty as well as infertility.

 

 

 

 

Sagittarius the Archer
This aspect of your life will be strongly influenced by a person who is blindly optimistic, careless, irresponsible, superficial, tactless and restless. This is a person who makes you nervous.

 

 

 

 

 

 

 

Your Daily Influences represent events and challenges the current day will present for you. They may represent opportunities you should be ready to seize. Or they may forewarn you of problems you may be able to avoid or lessen. Generally it is best to use them as tips to help you manage your day and nothing

Your Weekend Mahjong Tile Reading for April 8th

 

That Which Will Be Behind You

Red Dragon
Symbol: Center
The Red Dragon tile is indicative of success and the fulfillment of your goals.

 

 

 

Your Current Circumstance for the Weekend

Plum Blossom
Symbol: Innocence
The Plum tile reflects renewal and viewing your world with fresh viewpoints. It is an inherently “happy” tile. The Plum tile also suggests inexperience—a trait you must not allow to make you an easy target.

 

 

That Which Will Be Before You

South Wind
Symbol: Fire
The South Wind tile is considered to be a very good sign in a reading. It almost ensures a satisfactory end to any problem

Your Daily Tile
April 8, 2016 

Circles 5
Symbol: Dragon
The Dragon tile indicates good luck and large fortunes. Effort is not a prerequisite for the gain suggested by the Dragon tile. You cannot work towards acquiring the Dragon’s gifts. They will come when they come, and will most likely be a surprise.