ESA Top News
25 Jan 2021, 15:00 UTC
ESA’s exoplanet mission Cheops has revealed a unique planetary system consisting of six exoplanets, five of which are locked in a rare rhythmic dance as they orbit their central star. The sizes and masses of the planets, however, don’t follow such an orderly pattern. This finding challenges current theories of planet formation.
ESA’s exoplanet watcher Cheops reveals unique planetary system
25 Jan 2021, 15:00 UTC
ESA’s exoplanet mission Cheops has revealed a unique planetary system consisting of six exoplanets, five of which are locked in a rare rhythmic dance as they orbit their central star. The sizes and masses of the planets, however, don’t follow such an orderly pattern. This finding challenges current theories of planet formation.
NASA's Goddard Space Flight Center
21 Jan 2021, 18:42 UTC
Located in the constellation of Virgo (The Virgin), around 50 million light-years from Earth, the galaxy NGC 4535 is truly a stunning sight to behold. Despite the incredible quality of this image, taken from the NASA/ESA Hubble Space Telescope, NGC 4535 has a hazy, somewhat ghostly, appearance when viewed from a smaller telescope. This led amateur astronomer Leland S. Copeland to nickname NGC 4535 the “Lost Galaxy” in the 1950s.
Hubble Takes Portrait of the ‘Lost Galaxy’
21 Jan 2021, 18:42 UTC
Located in the constellation of Virgo (The Virgin), around 50 million light-years from Earth, the galaxy NGC 4535 is truly a stunning sight to behold. Despite the incredible quality of this image, taken from the NASA/ESA Hubble Space Telescope, NGC 4535 has a hazy, somewhat ghostly, appearance when viewed from a smaller telescope. This led amateur astronomer Leland S. Copeland to nickname NGC 4535 the “Lost Galaxy” in the 1950s.
HubbleSite NewsCenter -- Latest News Releases
14 Jan 2021, 21:30 UTC
Astronomers are winding back the clock on the expanding remains of a nearby, exploded star. By using NASA's Hubble Space Telescope, they retraced the speedy shrapnel from the blast to calculate a more accurate estimate of the location and time of the stellar detonation.
Researchers Rewind the Clock to Calculate Age and Site of Supernova Blast
14 Jan 2021, 21:30 UTC
Astronomers are winding back the clock on the expanding remains of a nearby, exploded star. By using NASA's Hubble Space Telescope, they retraced the speedy shrapnel from the blast to calculate a more accurate estimate of the location and time of the stellar detonation.
NASA's Ames Research Center News and Features
14 Jan 2021, 17:15 UTC
What’s fueling the massive ejection of gas and dust out of the Cigar galaxy, otherwise known as Messier 82?
Magnetic ‘Highway’ Channels Material Out of Cigar Galaxy
14 Jan 2021, 17:15 UTC
What’s fueling the massive ejection of gas and dust out of the Cigar galaxy, otherwise known as Messier 82?
HubbleSite NewsCenter -- Latest News Releases
12 Jan 2021, 17:00 UTC
How dark is the sky, and what does that tell us about the number of galaxies in the visible universe? Astronomers can estimate the total number of galaxies by counting everything visible in a Hubble deep field and then multiplying them by the total area of the sky. But other galaxies are too faint and distant to directly detect. Yet while we can’t count them, their light suffuses space with a feeble glow.
New Horizons Spacecraft Answers Question: How Dark Is Space?
12 Jan 2021, 17:00 UTC
How dark is the sky, and what does that tell us about the number of galaxies in the visible universe? Astronomers can estimate the total number of galaxies by counting everything visible in a Hubble deep field and then multiplying them by the total area of the sky. But other galaxies are too faint and distant to directly detect. Yet while we can’t count them, their light suffuses space with a feeble glow.
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- 26 Jan 2021
Blogs
Universe Today
27 Jan 2021, 16:03 UTC
In 1995, NASA’s Galileo mission dropped a probe into the atmosphere of Jupiter and found it to be far drier than expected. In 2020, NASA’s follow-up mission Juno explained the mystery: it involves mushballs.
Galileo’s Probe Discovered a Mystery at Jupiter, Juno Finally Helped Solve it
27 Jan 2021, 16:03 UTC
In 1995, NASA’s Galileo mission dropped a probe into the atmosphere of Jupiter and found it to be far drier than expected. In 2020, NASA’s follow-up mission Juno explained the mystery: it involves mushballs.
Illuminated Universe
27 Jan 2021, 11:00 UTC
Exploring how galaxies change with time requires the study of how visible light and non-visible radiation are interconnected. With the Hubble Space Telescope (HST) we can map, often in light the human eye can detect, the regions in the disk of a spiral galaxy where young stars reside and simultaneously, massive stars die. Yet invisible to our eyes, and traced by radio telescopes such as the Very Large Array (VLA), are vast halos of radiation that are intimately related to these so-called star-forming regions. The radio data inform us that the halo “light” is generated by negatively charged particles, called electrons, that are in motion at almost the speed of light. Indeed the data show that some of this motion is caused by the electrons slithering in a spiral trajectory around magnetic field lines. Some of these lines extend vertically away from the disk of a galaxy for several thousand light-years. But where do the electrons in the radio halo come from? We know that vast quantities of electrons are produced in explosive stellar deaths, called supernovae, in the disk of galaxies. In order to test the hypothesis that these electrons are dragged and pushed out of a galaxy’s disk ...
Guest Post: The Yin and Yang of the Visible and Invisible in Spiral Galaxies
27 Jan 2021, 11:00 UTC
Exploring how galaxies change with time requires the study of how visible light and non-visible radiation are interconnected. With the Hubble Space Telescope (HST) we can map, often in light the human eye can detect, the regions in the disk of a spiral galaxy where young stars reside and simultaneously, massive stars die. Yet invisible to our eyes, and traced by radio telescopes such as the Very Large Array (VLA), are vast halos of radiation that are intimately related to these so-called star-forming regions. The radio data inform us that the halo “light” is generated by negatively charged particles, called electrons, that are in motion at almost the speed of light. Indeed the data show that some of this motion is caused by the electrons slithering in a spiral trajectory around magnetic field lines. Some of these lines extend vertically away from the disk of a galaxy for several thousand light-years. But where do the electrons in the radio halo come from? We know that vast quantities of electrons are produced in explosive stellar deaths, called supernovae, in the disk of galaxies. In order to test the hypothesis that these electrons are dragged and pushed out of a galaxy’s disk ...
Universe Today
26 Jan 2021, 19:36 UTC
Budget constraints are a major consideration for every space program throughout the world. Lately, NASA has taken a particularly bold approach, by not only innovating through novel ideas that could do great science, but innovating with the way they fund those missions. A good example of this innovation is the Astrophysics Pioneers program, which is a NASA fund program targeted at early- to mid-career researchers. The interesting thing about the program is that the overall budget for each project is capped at $20 million. Now, the program has selected its first four projects to move ahead to its second stage.
NASA has Chosen 4 new Pioneer Missions: Aspera, Pandora, StarBurst, and PEUO
26 Jan 2021, 19:36 UTC
Budget constraints are a major consideration for every space program throughout the world. Lately, NASA has taken a particularly bold approach, by not only innovating through novel ideas that could do great science, but innovating with the way they fund those missions. A good example of this innovation is the Astrophysics Pioneers program, which is a NASA fund program targeted at early- to mid-career researchers. The interesting thing about the program is that the overall budget for each project is capped at $20 million. Now, the program has selected its first four projects to move ahead to its second stage.
NASA: Universe News
26 Jan 2021, 15:48 UTC
On May 10, NASA’s Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer (OSIRIS-REx) spacecraft will say farewell to asteroid Bennu and begin its journey back to Earth. During its Oct. 20, 2020, sample collection event, the spacecraft collected a substantial amount of material from Bennu’s surface, likely exceeding the mission’s requirement of 2 ounces (60 grams). The spacecraft is scheduled to deliver the sample to Earth on Sep. 24, 2023.
NASA’s OSIRIS-REx Mission Plans for May Asteroid Departure
26 Jan 2021, 15:48 UTC
On May 10, NASA’s Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer (OSIRIS-REx) spacecraft will say farewell to asteroid Bennu and begin its journey back to Earth. During its Oct. 20, 2020, sample collection event, the spacecraft collected a substantial amount of material from Bennu’s surface, likely exceeding the mission’s requirement of 2 ounces (60 grams). The spacecraft is scheduled to deliver the sample to Earth on Sep. 24, 2023.
Universe Today
26 Jan 2021, 09:32 UTC
Planetary nebulae are the most beautiful objects in the night sky. Their gossamer shells of gas are otherworldly and evocative. They captivate the eye, and viewers need no scientific knowledge to get drawn in. How are they created, and why do they look so beautiful?
Why do Planetary Nebulae Look the Way They Do?
26 Jan 2021, 09:32 UTC
Planetary nebulae are the most beautiful objects in the night sky. Their gossamer shells of gas are otherworldly and evocative. They captivate the eye, and viewers need no scientific knowledge to get drawn in. How are they created, and why do they look so beautiful?
Universe Today
25 Jan 2021, 16:56 UTC
The TRAPPIST-1 system has long be studied by exoplanet hunters due to its unique quantity of planets that happen to also be Earth sized. In a recent paper, a team of scientists led by Erik Agol at the University of Washington, dove into more detail on the density of the seven known planets in the system, and, surprisingly, found that they were all very similar.
There are Seven Rocky Planets in the TRAPPIST-1 System and They’re Surprisingly Similar
25 Jan 2021, 16:56 UTC
The TRAPPIST-1 system has long be studied by exoplanet hunters due to its unique quantity of planets that happen to also be Earth sized. In a recent paper, a team of scientists led by Erik Agol at the University of Washington, dove into more detail on the density of the seven known planets in the system, and, surprisingly, found that they were all very similar.
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