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NASA News
February 15, 2019

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updated 3:51pm EST

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February 15, 2019

Feb. 8, 2019 — The Lunar Reconnaissance Orbiter got a closer look at Chang'e 4 on the lunar far side. This time the small Yutu-2 rover shows up (two pixels) just north of the lander. Also, shadows cast by the ... read more

New Technology Helps Address Big Problems for Small Satellites

Feb. 6, 2019 — The small size and relatively low cost of CubeSats have made them a popular choices for commercial launches in recent years, but the process to propel such satellites in space comes with a number of ... read more

Jan. 24, 2019 — Data recorded by NASA's Chandra X-ray Observatory of a neutron star as it passed through a dense patch of stellar wind emanating from its massive companion star provide valuable insight about ... read more

Jan. 24, 2019 — New simulations have combined decades-old theories to provide new insight about the driving mechanisms in plasma jets that allows them to steal energy from black holes' powerful gravitational ... read more

Brain Condition Related to Long-Term Spaceflights Needs More Attention, Data

Jan. 24, 2019 — More people are poised to explore space than ever before; those who do will experience the effects of microgravity on the human ... read more

Environmental Protection in Outer Space?

Jan. 24, 2019 — Should regulations for environmental protection be valid beyond our solar system? Currently, extra-terrestrial forms of life are only deemed worth protecting if they can be scientifically ... read more

Jan. 24, 2019 — It has taken researchers almost three years to produce the deepest image of the Universe ever taken from space, by recovering a large quantity of 'lost' light around the largest galaxies in ... read more

Prolonged Spaceflight Could Weaken Astronauts' Immune Systems

Jan. 23, 2019 — Researchers report impaired NK-cell function during long-duration space ... read more

Jan. 23, 2019 — Astronomers have found a group of stars very poor in metals and shrouded in a high fraction of iron dust, situated in the Large Magellanic ... read more

Jan. 23, 2019 — Juna Kollmeier and Sean Raymond kicked off an internet firestorm late last year when they posted a draft of their article about submoons on a preprint server. The online conversation obsessed over ... read more

Jan. 22, 2019 — How fast the universe is expanding has been puzzling astronomers for almost a century. Different studies keep coming up with different answers -- which has some researchers wondering if they've ... read more

Jan. 22, 2019 — A new method to measure the temperature of atoms during the explosive death of a star will help scientists understand the shock wave that occurs as a result of this supernova ... read more

Jan. 22, 2019 — The faint, ephemeral glow emanating from the planetary nebula ESO 577-24 persists for only a short time -- around 10,000 years, a blink of an eye in astronomical terms. ESO's Very Large ... read more

Jan. 17, 2019 — In its last days, the Cassini spacecraft looped between Saturn and its rings so that Earth-based radio telescopes could track the gravitational tug of each. Scientists have now used these ... read more

Jan. 17, 2019 — A team of scientists has determined the number of asteroid impacts on the Moon and Earth increased by two to three times starting around 290 million years ago. Previous theories held that there were ... read more

Jan. 14, 2019 — A new study finds that some supermassive black holes are 'triggered' to grow, suddenly devouring a large amount of gas in their ... read more

Jan. 10, 2019 — Astronomers announced that they have identified the type of companion star that made its partner in a binary system, a carbon-oxygen white dwarf star, explode. Through repeated observations of SN ... read more

Jan. 10, 2019 — Observations from Gemini Observatory identify a key fingerprint of an extremely distant quasar, allowing astronomers to sample light emitted from the dawn of time. Astronomers happened upon this deep ... read more

Long-Duration Space Missions Have Lasting Effects on Spinal Muscles

Jan. 9, 2019 — Astronauts who spend several months on the International Space Station have significant reductions in the size and density of paraspinal muscles of the trunk after returning to Earth, reports a new ... read more

Jan. 9, 2019 — On March 11, an instrument aboard the International Space Station detected an enormous explosion of X-ray light that grew to be six times as bright as the Crab Nebula, nearly 10,000 light years away ... read more

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