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Space Exploration

Alien Solar System

Some Asteroids May Be Fragments of a Long-Lost Alien Solar System A new paper suggests that there may be 19 asteroids — all part of the Centaur family — that didn’t come from our own solar system at all. If this were proven true, it would mean we have ancient …

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Geologic Map of Moon

A team of researchers from the U.S. Geological Survey, the Lunar and Planetary Institute and the South Dakota School of Mines and Technology has released a seamless, globally consistent, 1:5,000,000-scale geologic map of the Moon. Orthographic projections of the Unified Geologic Map of the Moon showing the geology of the …

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Chemical Distinct Region

MESSENGER Finds Chemically Distinct Regions in Atmosphere of Venus A new analysis of archival data from NASA’s Mercury Surface, Space Environment, Geochemistry and Ranging (MESSENGER) spacecraft reveals a sudden rise in nitrogen concentrations at about 50 km (31 miles) above the surface of Venus, demonstrating the planet’s atmosphere isn’t uniformly …

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Milky Way’s Central Black Hole

Milky Way’s Central Black Hole Confirms Einstein Was Right, Yet Again You have to be pretty smart for your name to become synonymous with intelligence. So, it’s not exactly shocking that many of Albert Einstein’s theories have been supported by observable evidence. Chalk up another posthumous win for Einstein — …

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Earth-Like Planet Found

Stunningly Earth-Like Planet Found Hiding in Kepler Telescope Data Most of the exoplanets discovered by Kepler, TESS, and other initiatives are much larger than Earth. Bigger planets are much easier to spot with our current technology, but scientists suspect there are a lot of Earth-like planets out there, too. Astronomers …

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Spaceflight Affects

Study: Long-Duration Spaceflight Affects Brain Volume A new study led by Professor Larry Kramer from the University of Texas Health Science Center at Houston suggests that the impact of microgravity is far-reaching, potentially causing brain volume changes and pituitary gland deformation. Reconstructed sagittal 5-mm orthogonal midline images in the brain …

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Oumuamua Torn Apart by a Star?

Was Interstellar Visitor ‘Oumuamua Torn Apart by a Star? You might remember ‘Oumuamua, the very first interstellar visitor astronomers ever detected in our solar system. This object is almost certainly not an alien spaceship, but it does have an extremely bizarre elongated shape. Now, researchers from the Chinese Academy of …

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The Formation of the Moon

The Formation of the Moon May Have Stretched the Earth Into a Potato The question of how the Moon formed has fascinated astronomers and geologists for decades. Currently, the prevailing theory is that the Earth was struck by an approximately Mars-sized impactor very early in its life. This impact catastrophically …

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Mercury-Bound Satellite

Mercury-Bound Satellite Slingshots Around Earth Today (VIDEO) It’s been a few years since we’ve talked about BepiColombo, the joint ESA / JAXA spacecraft headed for Mercury. When last we checked in with the probe, scientists were testing its ion drive. BepiColombo features the most powerful ion engine ever built. On …

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Ozone Mini-Hole Over Arctic

Researchers Spot Ozone Mini-Hole over Arctic Researchers Spot Ozone Mini-Hole over ArcticUsing data from the Tropomi instrument on ESA’s Copernicus Sentinel-5 Precursor satellite (also known as Sentinel-5P), a team of scientists from the German Aerospace Center (DLR) has noticed a strong reduction of ozone concentrations over the Arctic. DLR researchers …

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