Space News & Blog Articles

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“Wind-Ruffled Waves, Foam and Wave Shadows, Above Natural Blue Seawater.” This is how we’ll Spot Exoplanets With Oceans

Our planet’s oceans generate tell-tale light signatures when sunlight reflects off them. Exoplanets with significant ocean coverage may do the same. Can we use the Earth’s reflectance signatures to identify other Earth-like worlds with large oceans?

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Solar Orbiter’s Pictures of the Sun are Every Bit as Dramatic as You Were Hoping

On March 26th, the ESA’s Solar Orbiter made its closest approach to the Sun so far. It ventured inside Mercury’s orbit and was about one-third the distance from Earth to the Sun. It was hot but worth it.

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Update on the Potential May 31st tau Herculid Meteor Storm

If skies are clear, be sure to watch for a potential tau Herculid meteor outburst early next Tuesday morning.

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The Moon’s Ancient Volcanoes Could Have Created Ice Sheets Dozens of Meters Thick

Everyone loves looking at the Moon, especially through a telescope. To see those dark and light patches scattered across its surface brings about a sense of awe and wonder to anyone who looks up at the night sky. While our Moon might be geologically dead today, it was much more active billions of years ago when it first formed as hot lava blanketed hundreds of thousands of square kilometers of the Moon’s surface in hot lava. These lava flows are responsible for the dark patches we see when we look at the Moon, which are called mare, translated as “seas”, and are remnants of a far more active past.

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Spacesuits are Leaking Water and NASA is Holding off any Spacewalks Until They can Solve the Problem

NASA’s spacesuits are getting old. The extra-vehicular mobility units – EMUs for short – were designed and built for spacewalks outside NASA’s space shuttles, which flew for the last time in 2011. Nowadays, the EMUs are an integral part of maintaining and upgrading the International Space Station (ISS) exterior, providing the crew with the ability to live and work in the vacuum of space for extended periods of time (spacewalks regularly last from 6 to 8 hours). However, at the end of the most recent spacewalk on March 23, NASA astronaut Kayla Barron discovered water in the helmet of German astronaut Matthias Maurer while she helped him remove the suit.

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Starliner Launches Successfully, but Two of its Thrusters Failed

Last week, Boeing’s next-generation CST-100 Starliner took off from Space Launch Complex 41 at Cape Canaveral, reached orbit, and docked with the International Space Station (ISS). Designated Orbital Flight Test-2 (OFT-2), this uncrewed test flight successfully validated the reusable space capsule for NASA’s Commercial Crew Program (CCP). This program, a public-private partnership between NASA and commercial launch providers (SpaceX and Boeing), aims to provide safe, reliable, and cost-effective payload and crew transportation to the ISS from American soil.

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NASA is Building a Mission That Will Refuel and Repair Satellites in Orbit

NASA is planning a mission to demonstrate the ability to repair and upgrade satellites in Earth orbit. The mission, called OSAM-1 (On-orbit Servicing, Assembly, and Manufacturing-1), will send a robotic spacecraft equipped with robotic arms and all the tools and equipment needed to fix, refuel or extend satellites’ lifespans, even if those satellites were not designed to be serviced on orbit.

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The “Doorway on Mars” is More Like a Dog Door

Mars Curiosity rover took a panorama of this rock cliff during its trip across Mount Sharp on Mars. Circled is the location of a so-called “doorway on Mars.” Courtesy NASA/JPL/Mars Curiosity team.

Remember all the fuss about the “doorway on Mars” from just last week? Well, this week, NASA issued some more information about the rock mound where the Curiosity rover snapped a pic showing a fracture hole in the rock. It looks like a door, but it’s not.

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Thanks to Gaia, Astronomers are Able to Map Out Nebulae in 3D

In this 2D image of nebulae in the Orion Molecular Complex, the submillimetre-wavelength glow of dust clouds is overlaid on a visible-light view of the region. The large orange bar extended down to the lower left is the Orion A portion of the Complex. The large bright cloud in the upper right is the well-known Orion Nebula, also called Messier 42. (Credit: ESO/Digitized Sky Survey 2.) Now astronomers have a new tool to understand nebulae like this one: 3D mapping using Gaia data.

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Forget About Mars, When Will Humans be Flying to Saturn?

It might be hard to fathom now, but the human exploration of the solar system isn’t going to stop at the Moon and Mars. Eventually, our descendants will spread throughout the solar system – for those interested in space exploration, the question is only of when rather than if. Answering that question is the focus of a new paper released on arXiv by a group of researchers from the US, China, and the Netherlands. Their approach is highly theoretical, but it is likely more accurate than previous estimates, and it gives a reasonable idea of when we could expect to see humans in the outer solar system. The latest they think we could reach the Saturnian system is 2153.

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The Closeby Habitable Exoplanet Survey (CHES) Could Detect Exoplanets Within a few Dozen Light-Years of Earth Using Astrometry

As of this article’s writing, NASA has indicated that 5,030 extrasolar planets have been confirmed in 3,772 systems, with another 8,974 candidates awaiting confirmation. With next-generation instruments like the James Webb Space Telescope (JWST) coming online, the number and diversity of confirmed exoplanets are expected to grow exponentially. In particular, astronomers anticipate that the number of known terrestrial planets and Super-Earths will drastically increase.

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Dust Storms on Mars Happen When the Planet Can’t Release its Heat Fast Enough

Mars is well-known for its seasonal dust storms, which can sometimes grow to encompass the entire planet. In June 2018, the dust storms became so severe that they obscured most of the planet’s surface, causing NASA to lose contact with Opportunity, which eventually proved fatal to the record-breaking rover. Understanding these storms and what causes them is critical to ensuring that solar-powered robotic missions continue to operate and future crewed missions can remain safe.

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Spinlaunch Hurled a Test Rocket Into the air. See What it Looked Like From the Payload’s Point of View

Can watching a video give you motion sickness?  If so, a commercial launch company called SpinLaunch just released a video that is sure to. The video is from the first camera ever attached to one of the company’s test payloads, and boy is it spectacular, though it might indeed be nausea-inducing in some people.

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Is This the Future of the Milky Way?

The central region of the giant elliptical galaxy NGC 474. It’s set against a backdrop of more distant galaxies. Will the Milky Way resemble this galaxy in the distant future? This image was taken using the Hubble Advanced Camera for Surveys, and includes data from the Wide Field and Planetary Camera 3. (Courtesy NASA/STScI.)

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Plants can grow in lunar regolith, but they’re not happy about it

NASA is sending astronauts back to the Moon by the end of this decade, and hope to send humans to Mars sometime in the 2030s. Growing food in space using in-situ resources is vital if astronauts are to survive on both the Moon and Mars for the long-term. Growing plants in space using Earth soil is nothing new, as this research is currently ongoing onboard the International Space Station (ISS). But recent research carried out on Earth has taken crucial steps in being able to grow food in space using extraterrestrial material that we took from the Moon over 50 years ago.

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The Lunar Eclipse, Seen From the International Space Station

If you were able to witness the lunar eclipse on May 15-16, 2022, the view of the dark red Moon was stunning. But what would such an eclipse look like from space?

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We May See a Tau Herculid Meteor Outburst on May 31st

Be sure to watch the skies on the last morning of May, for a possible Tau Herculid meteor outburst.

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LISA has Passed a key Review Phase, it’s Time to Actually Design the Final Mission

Any project manager will tell you that a phased review project system is the way to go.  Whether or not you agree with that statement, the process has been widely adopted by space exploration organizations across the globe. They form the basis of many of the best-known projects, and the completion of their phases are events to be celebrated by both the people working on them and the public at large. Now LISA, ESA’s attempt to build a 2.5 million kilometers long interferometer in space, has passed its Feasibility Phase, and is moving on to actually building some prototype technologies.

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InSight is Losing Power, it Probably Will be Shut Down in a Few Months

The InSight Mars lander will cease science operations sometime in the next few months due to a decreasing power supply, mission managers said at a news conference on May 17. Martian dust covering the solar panels has reduced the amount of power to roughly 500 watt-hours per Mars day or sol. When InSight landed in November of 2018, the solar panels produced around 5,000 watt-hours each sol.

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Maybe We Don’t Hear From Aliens Because They Choose To Go Silent

How will humanity meet its end?

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Ceres Probably Formed Farther out in the Solar System and Migrated Inward

When Sicilian astronomer Giuseppe Piazzi spotted Ceres in 1801, he thought it was a planet. Astronomers didn’t know about asteroids at that time. Now we know there’s an enormous quantity of them, primarily residing in the main asteroid belt between Mars and Jupiter.

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