Astronomy

The community for anyone interested in celestial objects, space, and the physical universe.

Current Topics

Chat with other astronomers, share your experiences or discuss the latest news here.

SubjectStarted By
Cherry SpringsBuzz

Latest News & Blogs

A selection of the latest astronomy news and blog posts.

First Light for German X-ray Telescope EROSITA The EROSITA X-ray telescope aboard a German-Russian satellite has taken its first images of the hot universe. Between October 17th and 19th, the German-built EROSITA telescope used all seven of its X-ray-collecting modules to reveal the hot and violent universe in the galaxy next door.

"The Yeti" - A Monster Galaxy Accidentally Discovered at Dawn of the Universe Astronomers accidentally discovered the a faint light shimmering blob of a monster galaxy cloaked in dust in the early universe that has never been seen before.

This Week's Sky: October 21-27 Highlights of the Moon's quiet phase, and Neptune a prime telescopic sight. October 21: The Moon enters last quarter. After midnight, observers will catch the Moon in its "quiet phase," a time when the vast, dark lava plains of Mare Imbrium and Oceanus Procellarum are illuminated by the low-angle Sun.

Career Profiles: Astronomer to Communications and Stewardship Staff Writer The AAS Committee on the Status of Women in Astronomy is compiling interviews highlighting the diversity of career trajectories available to astronomers. The interviews share advice and lessons learned from individuals on those paths. Below is our interview with Doctor JoEllen McBride, an astronomer who left astronomy to become a science writer.

Planet Earth Report - "Worst Day in Earth's History to Japan's 'Ghost' Wolves" The "Planet Earth Report" connects you to headline news on the science, technology, discoveries, people and events changing our planet and the future of the human species.

"Stangelove & Living Ocean" - Mass Extinction Theories Confirmed Two long-held theories - the "Strangelove Ocean" and "Living Ocean" theories - about the last great mass extinction event in history when a meteor slammed into Earth at the end of the Cretaceous period and how it affected Earth's oceans, have been confirmed by a new study led by Yale University.

Meet the Man Who Proposed the First Mission to the Moon… in 1638! Doctor John Wilkins was definitely a man ahead of his time. When he proposed the first manned mission to the moon, he knew he would have to wait for technology to catch up to his ideas. It's unlikely, however, that he ever imagined the wait would be 331 years.

Space transport roundup - Oct.22.2019 A sampling of recent articles, videos, and images dealing with space transport :. , SpaceX is today offering an 80% cost reduction in dollars per kilo compared to its nearest competitor. And it's not an offer to ride on some notional future rocket, but instead on a rocket with plenty of flight heritage and at much lower insurance rates.

How do you calculate the orbit of an object in space? If you have that, plus where the object was located in its orbit at a given time, you can use the equations of motion of a body under the influence of another body's gravity to predict where the object will be in the future! And postdict where it was in the past, which can be useful too.

Genesis - Chapter 1, Version 2 Genesis - Chapter 1, Version 2: In the Beginning there came forth the bursting, With ev'rything rushing from ev'rything else And which is still pushing on all things today, Though no-one can feel this occur.

Night Sky Reflections from the Worlds Largest Mirror What’s being reflected in the world’s largest mirror? Stars, galaxies, and a planet. Many of these stars are confined to the grand arch that runs across the image, an arch that is the c…

Navigating the New Night Sky Stargazing seems to become more difficult with each passing decade. As an avid amateur astronomer, I found last May's launch of the first batch of SpaceX Starlink satellites to be an emotional roller-coaster ride. At first, I was excited to read about a string of 60 bright satellites drifting across the sky in tight formation.

"The Vanished Lake of Mars' Gale Crater" - Reveals Climate Change Similar to Peru's Altiplano "These results indicate a past Mars climate that fluctuated between wetter and drier periods," Nachon added.

Well-loved Astronomy Expo Comes to an End The RTMC Astronomy Expo, a favorite yearly convo of amateur astronomers and telescope makers, is ending. The author takes a look back at the meeting's glory days. After 50 years, the Riverside Telescope Maker's Conference has ended its famous annual Astronomy Expo.

Blacker than blue: the US Navy and the Manned Orbiting Laboratory And yet, the remaining astronauts who worked on the project, and substantial documentation, indicate that the laboratory name was primarily a public cover story for the project's real mission: taking high resolution reconnaissance photographs of the Soviet Union.

What happens when you leave empty seats at the table? Physically, neither space agencies nor private spaceflight companies have conducted sufficient research regarding human survivability in space, in terms of radiation exposures, differences in gravity, psychological complications, and many other factors.

Tailoring spacesuits It was a milestone that came both earlier than expected but later than desired. When NASA announced early this month its plans to conduct a series of spacewalks to replace batteries in the station's power supply, it announced astronaut pairings for the five spacewalks it expected it would take to replace the batteries.

Can single-stage-to-orbit disrupt spaceflight? In recent issues of The Space Review, Mike Snead has surveyed the history of, and options for, commercial passenger spaceflight. This valuable document is nearly 16,000 words long, with excellent illustrations, and is probably the most useful record of the fraught history of this topic for many years.

Review: Light from the Void Light from the Void: Twenty Years of Discovery with NASA's Chandra X-ray Observatory by Kimberly K. Arcand, Grant Tremblay, Megan Watzke, Martin C. Weisskopf, and Belinda J. Wilkes Smithsonian Books, 2019 hardcover, 204 pp., illus. The celebrations in July for the 50th anniversary of Apollo 11 overshadowed another major space anniversary.

The Hands That Introduce Positivity In Your Life The word of every good thing in the market spreads like a wildfire. Be it from a person traveling in your bus or your next-door neighbor who gossips a lot, you might have definitely heard the word 'Reiki' and wondered about its potential. Just as the people say, it works like a magic to free you from the bonds of negativity chaining your life.

A Titan of Astronomy and His Dying Wish: this week on the Storyteller's Night Sky This week marks the anniversary of the death of Tycho Brahe, on October 24 in 1601, the Danish astronomer whose dying wish to his assistant, Johannes Kepler, was something Kepler couldn't fulfill.

SKA helps NCape develop into radio astronomy region The Square Kilometre Array puts the Northern Cape’s Carnarvon on the radio astronomy map as host of over 70 radio telescopes.

A Mercury Transit Music Video from SDO What’s that small black dot moving across the Sun? Mercury. Possibly the clearest view of Mercury crossing in front of the Sun in 2016 May was from Earth orbit. The Solar Dynamics Observatory…

Student and amateur CubeSat news roundup - Oct.20.2019 A sampling of recent articles, press releases, etc. related to student and amateur CubeSat / SmallSat projects and programs :. ** University students are key to operating the LightSail-2 in orbit: "I Talk to It Every Day": Students are Vital Members of LightSail 2 Team - The Planetary Society.

More to Explore

Anyone with an interest in astronomy and space can enjoy our forums, news, blogs, videos, podcasts and much more!

Astronomy Videos

We've got a fantastic range of videos covering all aspects of astronomy and space.

Astronomy Podcasts

Listen to great podcasts with interviews and discussions associated with astronomical news and theories.

Astronomy Shop

Need another telescope or an astronomy book then you'll find a great choice here.