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By NASA
Skywatching Skywatching Home What’s Up Eclipses Explore the Night Sky Night Sky Network More Tips and Guides FAQ Four Planets in One View!
Each evening this month, enjoy a sweeping view of four bright planets at once. Also look for a close approach of Venus and Saturn, Mars occulted by the Moon, and meteors!
Skywatching Highlights
January 3 – Quadrantid meteor shower peaks: This is a moderate shower, usually delivering 20 to 30 meteors per hour under clear, dark skies at its peak. No interference from the Moon makes this year’s peak a better bet for meteor watching.
January 13 – Moon Occults Mars: For skywatchers in the continental U.S. and Eastern Canada, the Moon will appear to pass in front of Mars this evening. Times vary by location, so check your favorite skywatching app for details.
January 17-18 – Venus and Saturn conjunction: Over a couple of weeks, the two planets come within just a couple of finger widths’ distance apart in the sky (about 2 degrees). They’re at their closest on the 17th and 18th.
All month – Four planets Visible: In the first couple of hours after dark, you’ll find Venus and Saturn in the southwest, Jupiter high overhead, and Mars in the east. (Uranus and Neptune are there too, but a telescope is needed to see them.) Planets always appear a long a line on the sky to the “alignment” isn’t special. What’s less common is seeing four or five bright planets at once, which doesn’t happen every year. Is it a “planet parade”? This isn’t a technical term in astronomy, so call it what you wish!
All month – Mars at Opposition: The Red Planet is directly opposite the Sun from Earth and shines brightly all night. It’s in the east as night falls and in the southwest at dawn.
Transcript
What’s Up for January?
Cue the planet parade, Saturn and Venus cross paths, Mars expresses its opposition, and the outlook for the Quadrantid meteors.
In January, you’ll have the opportunity to take in four bright planets in a single, sweeping view.
Sky chart showing the planetary lineup visible after dark in January 2025. NASA/JPL-Caltech All month after dark, you’ll find Venus and Saturn in the southwest for the first couple of hours, while Jupiter shines brightly high overhead, and Mars rises in the east. Uranus and Neptune are there too, technically, but they don’t appear as “bright planets.” These multi-planet viewing opportunities aren’t super rare, but they don’t happen every year, so it’s worth checking it out.
Now, these events are sometimes called “alignments” of the planets, and while it’s true that they will appear more or less along a line across the sky, that’s what planets always do. That line is called the ecliptic, and it represents the plane of the solar system in which the planets orbit around the Sun. This is, incidentally, why we sometimes observe planets appearing to approach closely to each other on the sky, as we view them along a line while they careen around the cosmic racetrack.
Sky chart showing Venus and Saturn appearing quite close together on Jan. 17 and 18, 2025. NASA/JPL-Caltech This is exactly what we’ll be seeing from Venus and Saturn as they head for a super close approach in mid-January. After the beginning of the month, they quickly get closer and closer each evening, appearing at their most cozy on the 17th and 18th before going their separate ways. Remember, they’re really hundreds of millions of miles apart in space, so when you observe them, you’re staring clear across the solar system!
Mars reaches “opposition” this month, which is when the planet lies directly on the opposite side of Earth from the Sun, forming a straight line. This is around the time when the planet is at its closest to Earth, making it appear at its biggest and brightest. For Mars, oppositions happen about every two years. This one won’t be the most spectacular ever, but it’s still closer than average, and provides a great opportunity to observe the nearby planet where NASA has five missions currently operating.
And on the 13th, the full Moon cozies up to Mars, appearing super close to the Red Planet that evening. Across the U.S. and Eastern Canada, the Moon will appear to pass in front of Mars over a couple of hours, as the pair rise into the eastern sky. Mars also will be the lone planet in the sky on January mornings. You’ll find it hanging out in the west in morning twilight.
The Quadrantid meteors peak in the early morning hours on January 3rd. Interference from moonlight won’t be a problem, as the Moon is a mere crescent and sets early in the night. The way to see the most meteors is to observe after midnight from clear, dark skies away from bright city lights, and let your eyes adapt to the dark. The meteor rate will be highest as dawn approaches, and you’ll see more meteors from rural locations than in the suburbs. Now, this is a shower best seen from the Northern Hemisphere, and observers in the Northwest and Pacific region will likely have the best viewing this year.
Here are the phases of the Moon for January:
The phases of the Moon for January 2025. NASA/JPL-Caltech Stay up to date on all of NASA’s missions exploring the solar system and beyond at science.nasa.gov. I’m Preston Dyches from NASA’s Jet Propulsion Laboratory, and that’s What’s Up for this month.
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By NASA
NASA Administrator Bill Nelson, and NASA Deputy Administrator Pam Melroy, react as they are recognized by employees during a NASA agencywide all hands on Dec. 6, 2024, at the NASA Headquarters Mary W. Jackson Building in Washington.Credit: NASA/Bill Ingalls NASA Administrator Bill Nelson and Deputy Administrator Pam Melroy will speak with NASA astronauts Nick Hague, Butch Wilmore, Suni Williams, and Don Pettit on Monday, Jan. 6, to discuss their mission aboard the International Space Station.
The Earth to space call coverage begins at 1:30 p.m. EST on NASA+. Learn how to watch NASA content through a variety of platforms, including social media.
NASA’s Commercial Crew Program has delivered on its goal of safe, reliable, and cost-effective transportation to and from the International Space Station from the United States through a partnership with American private industry. This partnership is opening access to low Earth orbit and the space station to more people, science, and commercial opportunities. The space station remains the springboard to NASA’s next great leap in space exploration, including future missions to the Moon and eventually, to Mars.
For NASA’s launch blog and more information about the mission, visit:
https://www.nasa.gov/commercialcrew
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Meira Bernstein / Josh Finch
Headquarters, Washington
202-358-1100
meira.b.bernstein@nasa.gov / joshua.a.finch@nasa.gov
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Last Updated Dec 30, 2024 LocationNASA Headquarters Related Terms
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By NASA
More than 30,000 scientists gathered in Washington, D.C. during the second week of December – many to show off the work of NASA’s science volunteers! The American Geophysical Union held its annual meeting of professionals this month – the world’s largest gathering of Earth and Space Scientists. Here’s what they were talking about.
Eighteen NASA-sponsored project team members presented discoveries made with volunteers on topics from solar eclipses to global freshwater lake monitoring and exoplanet research. Overall, 175 posters and presentations featured the work of volunteers (up from 137 in 2023). Overall, 363 scientists and presenters at the conference described themselves as being involved in citizen science research (up from 201 in 2023). Two dozen scientists at the meeting gathered for lunch in the atrium of the National Portrait Gallery to talk about doing NASA science with volunteers. They discussed projects about asteroids, landslide hazard prediction, solar eclipse science, water quality, martian clouds, and more. Science done with volunteers is often called citizen science or participatory science – it does not require citizenship in any particular country. “Between the immense datasets being collected by NASA missions and the perennial need to open wide the doors to science so everyone can experience the joy and rewards of doing research together, citizen science is needed now more than ever!” said Sarah Kirn, the participatory science strategist at the Gulf of Maine Research Institute in Portland.” You can join one of NASA’s many participatory science projects right here!
Two dozen scientists gathered for lunch in the atrium of the National Portrait Gallery to talk about working with volunteers. They discussed projects about asteroids, landslide hazard prediction, solar eclipse science, water quality, martian clouds and more. Credit: Sarah Kirn Facebook logo @DoNASAScience @DoNASAScience Share
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Last Updated Dec 23, 2024 Related Terms
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