Heart of an Exploded Star Observed in 3-D
Recently, astronomers used the Atacama Large Millimeter/submillimeter Array (ALMA) to probe the heart of Supernova 1987A. ALMA's ability to see remarkably fine details allowed the researchers to produce an intricate 3-D rendering of newly formed molecules inside the supernova remnant. The research team includes University of Texas at Austin astronomer J. Craig Wheeler.
Stargazing Summary
A traffic jam highlights the morning sky this month, as three planets line up near Regulus, the heart of Leo. The planets move through different configurations during the month, providing a different view each day. In the evening sky, some of the signature constellations of summer begin dropping from view, while some of the faint constellations of autumn climb skyward in the east and southeast.
More stargazing information »
More stargazing information »
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For the first week of September, the StarDate podcast will be brought to you by The Great Courses Plus video learning service. Get unlimited access to watch thousands of fascinating lectures, including Experiencing Hubble: Understanding the Greatest Images of the Universe. SkyTips readers can sign up today to get a FREE Month trial at thegreatcoursesplus.com/stardate
Radio Program Highlights
If you want to start hearing the StarDate program in your area, you can request a station to carry our program by emailing the request to stations@stardate.org.
September 4-10: Making stars. It takes millions of years to make a star, and we'll have details. We'll also explain how stars can either help or hinder the birth of more stars. Join us for stellar birth, plus a possible stellar eclipse and much more.
September 11-17: Final act. The Cassini spacecraft has been exploring Saturn and its moons and rings for more than a decade. But that mission is coming to an end, and we'll have details. Join us for Cassini's final act and much more.
September 18-24: Changing seasons. Autumn arrives in the northern hemisphere this week, and we'll have details. We'll also talk about a spot where Americans were watching the seasons change many centuries ago. Join us for the changing seasons and more.
September 25-October 1: Moon meanderings. The Moon has some bright companions in the evening sky this week, including the planet Saturn and the heart of the scorpion. Join us for these beautiful encounters, plus a four-member sextet and much more.
Program schedule »
Hear StarDate every day on about 400 radio stations in the United States. Find an affiliate »
September 4-10: Making stars. It takes millions of years to make a star, and we'll have details. We'll also explain how stars can either help or hinder the birth of more stars. Join us for stellar birth, plus a possible stellar eclipse and much more.
September 11-17: Final act. The Cassini spacecraft has been exploring Saturn and its moons and rings for more than a decade. But that mission is coming to an end, and we'll have details. Join us for Cassini's final act and much more.
September 18-24: Changing seasons. Autumn arrives in the northern hemisphere this week, and we'll have details. We'll also talk about a spot where Americans were watching the seasons change many centuries ago. Join us for the changing seasons and more.
September 25-October 1: Moon meanderings. The Moon has some bright companions in the evening sky this week, including the planet Saturn and the heart of the scorpion. Join us for these beautiful encounters, plus a four-member sextet and much more.
Program schedule »
Hear StarDate every day on about 400 radio stations in the United States. Find an affiliate »
This Month in StarDate Magazine
As Cassini's mission to Saturn comes to an end, we bring you an overview of what it has uncovered about the planet, its rings, and moons. We also fill you in on efforts to preserve sites and facilities on Earth and throughout the solar system that were involved in humanity's exploration of the cosmos.
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About SkyTips
SkyTips is a monthly email newsletter for visitors to McDonald Observatory and StarDate Online. Each issue features stargazing highlights, upcoming StarDate radio program descriptions, and other news. Please feel free to forward this newsletter to your friends and family.
SkyTips is a publication of the University of Texas McDonald Observatory Education and Outreach Office, 2515 Speedway C1402, Austin, TX 78712. Reproduction of SkyTips content is permitted with proper credit given to McDonald Observatory.
SkyTips is a publication of the University of Texas McDonald Observatory Education and Outreach Office, 2515 Speedway C1402, Austin, TX 78712. Reproduction of SkyTips content is permitted with proper credit given to McDonald Observatory.
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