astronomy

astronomyNear Gigapixel Imaging of Exoplanets from the Gravity Lens Regions

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Exoplanets are planets in other solar systems. They are very faint but they are even harder to see because of the much brighter star they are orbiting. If we send a telescope to the solar gravitational lens (SGL) point on …

astronomyCarnival of Space 602

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1. Universe Today – Hayabusa2 Left a Dark Spot Where it Touched Down on Ryugu. Engineers Aren’t Sure Why An image taken a minute after the spacecraft had reached an altitude of 25 km (15.5 mi) – the mission team …

astronomyWater Moving on the Moon

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NASA’s Lunar Reconnaissance Orbiter (LRO) has observed water molecules moving around the dayside of the Moon. The Lyman Alpha Mapping Project (LAMP) measurements of the sparse layer of molecules temporarily stuck to the surface helped characterize lunar hydration changes over …

astronomyMilky Way Weighs 1.5 Trillion Suns and Most is Dark Matter

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NASA’s Hubble Space Telescope and the European Space Agency’s Gaia satellite have more precisely weighed the Milky Way galaxy. Above – On the left is a Hubble Space Telescope image of a portion of the globular star cluster NGC 5466. …

astronomyAfter NASA JPL Reset the Curiosity Rover is Working Normally

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NASA’s Curiosity rover is busy making new discoveries on Mars. The rover has been climbing Mount Sharp since 2014 and recently reached a clay region that may offer new clues about the ancient Martian environment’s potential to support life. Curiosity …

astronomyGravity Wave Observatory Could Spot One Black-hole Merger per Hour by 2024

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The National Science Foundation (NSF) is awarding Caltech and MIT $20.4 million to upgrade the Laser Interferometer Gravitational-wave Observatory (LIGO) into the Advanced LIGO Plus. Advanced LIGO Plus is expected to commence operations in 2024 and to increase the volume …

astronomyCarnival of Space 598

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1. Universe Today – Eta Carinae is Getting Brighter Because a Dust Cloud was Blocking our View Within a decade or so, we will no longer be able to see the Homunculus nebula clearly. That was the conclusion reached in …

astronomyCarnival of Space 599

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The Carnival of Sapce 599 is up at Urban Astronomer The Hill – SpaceX could disrupt NASA plan to return humans to the moon NASA’s lunar lander concept is a three-stage vehicle that would depart from and return to the …

astronomyMetal Remains of the Starman Roadster Will Eventually Crash into Earth, Venus or the Sun

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In February, 2018, SpaceX launched a Falcon Heavy which placed a Tesla Roadster with the Starman into on an Earth and Mars crossing orbit. The Roadster-Starman will come within a lunar distance of the Earth within the next 100 years. …

astronomyOumuamua as a Cloud of Debris Explains Anomalies

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A NASA JPL researcher has calculated that Oumuamua was probably a cloud of debris and not an interstellar space sail fragment. There was a Harvard research theory that Oumuamua was an interstellar space sail fragment. The new JPL analysis is …