Brilliant Venus is joined by the crescent moon this evening in the western sky. Bright Jupiter appears to the upper left of Venus. Tonight the pair is separated by about 30 degrees. The planets appear very close together at the end of June. Castor and Pollux, the Gemini Twins, appear above the Venus-moon pairing. Procyon appears to … Continue reading Venus, Jupiter and the moon, May 21, 2015
Tag: astronomy
Venus and Jupiter Tonight, May 13, 2015
The two bright "stars" in the western sky this evening are Venus and Jupiter. Venus is the brightest starlike object in the sky, although it shines by reflected sunlight. It is over six times brighter than Jupiter, which appears higher in the sky and farther south. The separation between the pair is about 38 degrees … Continue reading Venus and Jupiter Tonight, May 13, 2015
Venus and the Moon Tonight, April 21, 2015
Brilliant Venus is joined by the crescent moon this evening in the western sky. In the image above, the moon is overexposed in this 10-second exposure. Tonight the moon is 4 degrees to the upper left of the star Aldebaran and nearly 8 degrees from Venus. In this close-up view of the same scene in … Continue reading Venus and the Moon Tonight, April 21, 2015
Venus & Jupiter, April 2015
Venus and Jupiter gleam from the evening sky during April 2015. Venus is the bright celestial gem that sparkles in the western sky after sunset. It sets over three hours after the sun, making it easily observed. The difference between sunset and the planet setting grows to nearly 3 hours, 40 minutes after sunset by months end, allowing … Continue reading Venus & Jupiter, April 2015
Sun and Moon, April 2015
The Sun The length of daylight grows nearly 90 minutes during April. By month's end, the sun is in the sky for almost 14 hours in the Chicago area. Now rising north of east and setting north of west, the sun's daily arc across the sky grows longer each day with about 3 minutes … Continue reading Sun and Moon, April 2015
Venus and Moon, March 21 & 22, 2015
Brilliant Venus and the moon appeared near each other during the past two evenings. On March 21, the crescent moon appeared about 12 degrees below the planet. Notice that the night portion of the moon is illuminated. Sunlight reflected from our planet gently illuminated the lunar night. From the moon, Earth appeared nearly full. In the … Continue reading Venus and Moon, March 21 & 22, 2015
Venus and Jupiter, March 17, 2015
Brilliant Venus shines in the western sky this evening. It shines all other visible celestial objects this evening. During late March is sets nearly three hours after sunset, appearing as a sparkling celestial gem in the western sky. On Sunday, March 22, the moon appears about 3.5 degrees to the left of Venus. Look … Continue reading Venus and Jupiter, March 17, 2015
Venus and Mars, March 2015
Brilliant Venus and Mars shine from the western evening skies during March, just after their spectacular conjunction last month. Venus is the brightest celestial object after the sun and moon. During March, Venus climbs higher in the sky. By month's end it sets over three hours after the sun. It also appears farther north each … Continue reading Venus and Mars, March 2015
Sun & Moon, March 2015
Daylight increases 1 hour, 25 minutes during the month, that's almost 3 minutes each day. The vernal equinox occurs at 5:45 p.m. CDT when the sun's rays are most redirect at the equator. After this date and until late September, the sunlight is most directed toward the northern hemisphere. At the equinox, the length of … Continue reading Sun & Moon, March 2015
Jupiter & Moon, March 1-3, 2015
What's that bright star near the moon tonight? It's Jupiter! Jupiter is brightest "star" in the eastern sky during March, following Venus' brilliance in the western evening sky. Separations are difficult to detect to the unaided eye. In astronomy, we describe the distance between celestial objects in angular degrees, as measured by a protractor with … Continue reading Jupiter & Moon, March 1-3, 2015