NASA's Goddard Space Flight Center
2 Dec 2020, 16:00 UTC
The Solar and Heliospheric Observatory launched on December 2, 1995. A joint mission between the European Space Agency and NASA, SOHO’s original operating phase was scheduled for two years – and now, through repeated extensions, it is celebrating a quarter century in orbit. Over the years, its set of groundbreaking instruments became a source for numerous scientific findings, an inspiration for follow-on missions, and an outlet for citizen scientists. SOHO also survived near catastrophe twice and has become the longest-running Sun-surveying spacecraft. What this powerhouse mission has witnessed in its 25 years has changed the way humanity sees the Sun.
ESA/NASA’s Sun-Observing SOHO Mission Celebrates a Quarter-Century in Space
2 Dec 2020, 16:00 UTC
The Solar and Heliospheric Observatory launched on December 2, 1995. A joint mission between the European Space Agency and NASA, SOHO’s original operating phase was scheduled for two years – and now, through repeated extensions, it is celebrating a quarter century in orbit. Over the years, its set of groundbreaking instruments became a source for numerous scientific findings, an inspiration for follow-on missions, and an outlet for citizen scientists. SOHO also survived near catastrophe twice and has become the longest-running Sun-surveying spacecraft. What this powerhouse mission has witnessed in its 25 years has changed the way humanity sees the Sun.
McDonald Observatory
1 Dec 2020, 15:37 UTC
Three years into its quest to reveal the nature of dark energy, the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) is on track to complete the largest map of the cosmos ever. The team will create a three-dimensional map of 2.5 million galaxies that will help astronomers understand how and why the expansion of the universe is speeding up over time.
HETDEX Project On Track to Probe Dark Energy
1 Dec 2020, 15:37 UTC
Three years into its quest to reveal the nature of dark energy, the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) is on track to complete the largest map of the cosmos ever. The team will create a three-dimensional map of 2.5 million galaxies that will help astronomers understand how and why the expansion of the universe is speeding up over time.
NASA's Goddard Space Flight Center
30 Nov 2020, 20:49 UTC
At the edge of space, the ever-growing fleet of satellites in low-Earth orbit are locked in a constant, precarious battle with friction.
Solar Superstorms of the Past Help NASA Scientists Understand Risks for Satellites
30 Nov 2020, 20:49 UTC
At the edge of space, the ever-growing fleet of satellites in low-Earth orbit are locked in a constant, precarious battle with friction.
MIT
25 Nov 2020, 14:00 UTC
Earlier this month a team of MIT researchers sent samples of various high-tech fabrics, some with embedded sensors or electronics, to the International Space Station. The samples (unpowered for now) will be exposed to the space environment for a year in order to determine a baseline for how well these materials survive the harsh environment of low Earth orbit.
3 Questions: Using fabric to “listen” to space dust
25 Nov 2020, 14:00 UTC
Earlier this month a team of MIT researchers sent samples of various high-tech fabrics, some with embedded sensors or electronics, to the International Space Station. The samples (unpowered for now) will be exposed to the space environment for a year in order to determine a baseline for how well these materials survive the harsh environment of low Earth orbit.
Kavli Institute for the Physics and Mathematics of the Universe
23 Nov 2020, 19:00 UTC
Using Planck data from the cosmic microwave background radiation, an international team of researchers has observed a hint of new physics. The team developed a new method to measure the polarization angle of the ancient light by calibrating it with dust emission from our own Milky Way. While the signal is not detected with enough precision to draw definite conclusions, it may suggest that dark matter or dark energy causes a violation of the so-called “parity symmetry.”
A hint of new physics in polarized radiation from the early Universe
23 Nov 2020, 19:00 UTC
Using Planck data from the cosmic microwave background radiation, an international team of researchers has observed a hint of new physics. The team developed a new method to measure the polarization angle of the ancient light by calibrating it with dust emission from our own Milky Way. While the signal is not detected with enough precision to draw definite conclusions, it may suggest that dark matter or dark energy causes a violation of the so-called “parity symmetry.”
Harvard-Smithsonian Center for Astrophysics
23 Nov 2020, 12:02 UTC
An international team of scientists led by the Center for Astrophysics | Harvard & Smithsonian, has identified a problem with the growing interest in extractable resources on the moon: there aren’t enough of them to go around. With no international policies or agreements to decide "who gets what from where," scientists believe tensions, overcrowding, and quick exhaustion of resources to be one possible future for moon mining projects. The paper published today in the Philosophical Transactions of the Royal Society A.
Growing Interest in Moon Resources Could Cause Tension, Scientists Find
23 Nov 2020, 12:02 UTC
An international team of scientists led by the Center for Astrophysics | Harvard & Smithsonian, has identified a problem with the growing interest in extractable resources on the moon: there aren’t enough of them to go around. With no international policies or agreements to decide "who gets what from where," scientists believe tensions, overcrowding, and quick exhaustion of resources to be one possible future for moon mining projects. The paper published today in the Philosophical Transactions of the Royal Society A.
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Bad Astronomy
2 Dec 2020, 14:00 UTC
Astronomers have found that a giant cluster of stars orbiting the Andromeda Galaxy is incredibly deficient in heavy elements, so much so that it totally blows away any previous record. This likely means it's terribly ancient, perhaps older than any other such cluster ever seen. It also changes what astronomers think about how such clusters are born.
An ancient star city circles our galactic twin. In fact... it's *too* ancient
2 Dec 2020, 14:00 UTC
Astronomers have found that a giant cluster of stars orbiting the Andromeda Galaxy is incredibly deficient in heavy elements, so much so that it totally blows away any previous record. This likely means it's terribly ancient, perhaps older than any other such cluster ever seen. It also changes what astronomers think about how such clusters are born.
Universe Today
1 Dec 2020, 19:20 UTC
Planetary system formation is a process that involves astounding and complex forces. Humans have only just started trying to understand what goes on in this extraordinarily important phase of the development of new worlds. As such, we are continuing to make new discoveries and come up with better models that better fit the observations that our instruments are able to collect.
Spiral-shaped Planetary Disks Should Be More Common. Giant Planets Might Be Disrupting Their Formation
1 Dec 2020, 19:20 UTC
Planetary system formation is a process that involves astounding and complex forces. Humans have only just started trying to understand what goes on in this extraordinarily important phase of the development of new worlds. As such, we are continuing to make new discoveries and come up with better models that better fit the observations that our instruments are able to collect.
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