Winter/Spring 2005 Astronomy News

Space Observation and Exploration

• 05/31: UV Telescopes: Galex spacecraft sees star flares and other unexpected things (space, SFN)
• 05/23: Propulsion: Cosmos-1 solar sail mission gets ready for launch (SFN, space); update (space)
• 05/20: NASA: Budget crisis threatens plans for future space telescopes (S&T)
• 05/09: HST: Hope rises for shuttle servicing mission with new NASA chief Griffin (S&T)
• 04/14: NASA: US Senate approves Michael Griffin as 11th NASA Administrator (S&T)
• 04/08: Rover Technology: NASA demonstrates robots that walk by changing shape (space)
• 04/01: HST: Review leads NASA officials to adopt "deorbit only" position (space)
• 03/16: HST: Engineers and other experts will meet next week in a make-or-break event (space)
• 02/17: Spitzer: Two telescopes on board perform better than required but show aberration (S&T)
• 02/14: Propulsion Methods: Solar sail prototype could be launched this spring (SFN)
• 02/07: NASA: Bush's spending plan includes budget increase, scraps HST mission (SFN, S&T)
• 02/05: Arecibo Telescope: Multi-year survey will look for distant, possibly dark galaxies (SFN)
• 02/01: X-Ray Telescopes: Hard X-ray telescope NuSTAR proposal under review (SFN)
• 01/28: Space Exploration: Should the focus be on human or robotic missions? (space)
• 01/28: HST: Saving the space telescope may require non-governmental solutions (space)
• 01/24: HST: Fight to save space telescope shapes up again (space); Senator Mikulski's fight (S&T)
• 01/21: HST: White House plans to scrap servicing missions (space) surprise astronomers (space)
• 01/20: Space Exploration: Co-founder of PayPal founds SpaceX to boost industry (SFN)
• 01/20: Overview: The bodies we have sent landers to, and how they compare (space)
• 01/10: NASA: Agency uses budgetary authority to shift funds toward exploration vision (space)
• 01/06: HST: NASA awards robotic servicing mission contract to Canadian company (space)
• 01/05: Space Telescopes: Swift takes its first images, of Cas A and a GRB afterglow (SFN)
• 01/02: NASA: The 2004 year in review (SFN)

Planet Earth

• 06/17: Comets: It looks like comet LINEAR C/2005 K2 recently broke into two pieces (S&T)
• 06/08: Cosmic Rays: Northern part of Auger observatory to be located in Colorado (space)
• 05/19: NEO's: Former astronaut calls for Congress to monitor asteroid 2004 MN4 (space)
• 05/18: Cosmic Rays: Radio receivers detect flashes from high-energy cosmic rays (space)
• 05/13: NEO's: Friday, April the 13th, 2029 will be a close call with asteroid 2004 MN4 (NASA)
• 05/10: Formation: Violent X-ray flares from young Sun may have helped planet formation (space)
• 05/07: Energy Imbalance: More energy is being absorbed than emitted by our planet (SFN)
• 04/14: Interior: Seismic waves provide solid evidence that the inner core is solid (livescience)
• 04/07: Interior: Scientists drill hole to lower crust for the first time, aim for mantle (livescience)
• 04/06: GRB's: The Ordovician extinction may have been caused by a nearby gamma ray burst (SFN)
• 03/30: Ice Ages: The glacial cycle seems to be related to the tilt of Earth's rotation axis (livescience)
• 03/30: Gamma Rays: Old CGRO images put together into a gamma-ray view of Earth (SFN)
• 03/09: Impacts: Arizona's Meteor Crater was dug 50,000 yr ago by a 40-m asteroid (space, SFN)
• 03/08: Volcanos: Scientists warn that a super eruption could cause global devastation (livescience)
• 02/25: Rotation: How are minute changes in the length of the day related to weather? (livescience)
• 02/04: NEO's: 320-m asteroid 2004 MN4 will be magnitude 3.3 on April 13, 2029! (S&T, space)
• 02/02: Space Junk: The Space Surveillance Network is tracking close to 10,000 objects... (space)
• 01/22: Extinctions: Great Dying probably due to atmospheric warming, not to an impact (SFN)
• 12/30: Rotation: Sumatra quake rocks Earth, shortens day by a few microseconds (NASA, SFN)

The Moon and the Sun

• 06/01: Lunar Exploration: New NASA administrator promise funding for Moon and Mars (space)
• 04/28: Lunar Exploration: NASA's plans to prospect for water on the Moon (NASA)
• 04/22: Lunar Exploration: Moon dust (and Mars dust) could be dangerous to astronauts (NASA)
• 04/14: Water on the Moon? We are still trying to find out how much there is (NASA)
• 04/13: Lunar Base: Peary crater, close to the north pole, may be a perfect location (space)
• 04/12: Solar Activity: Huge solar eruption is triggered by a series of smaller explosions (space)
• 03/30: Lunar Electricity: Why charged dust levitates above the Moon's surface (NASA)
• 03/14: Lunar Exploration: Indian orbiter may carry US water-seeking experiment (space)
• 03/09: Observatories: If we build bases on the Moon we could include super-telescopes (space)
• 03/07: Motion and Gravity: Lunar laser ranging tests predictions of Einstein's theories (SFN)
• 02/28: Lunar Exploration: Japan plans to establish a lunar base in the next 20 years (space)
• 02/15: Lunar Exploration: The new space vision (space); Why go back to the Moon? (space)
• 01/31: Lunar Exploration: NASA and NRO to team-up on lunar spacecraft development (space)
• 01/27: Solar Wind: Samples collected by Genesis mission sent to researchers for study (SFN)
• 01/26: Smart-1: The spacecraft is sending back its first high-resolution images (BBC, space)
• 01/24: Lunar Exploration: Preparing for future bases will require lots of imitation lunar dist (space)
• 01/12: Lunar Exploration: Researchers are developing radiation shields for astronauts (space)
• 01/08: Solar Observation: Most powerful solar optical telescope will be built in Hawaii (SFN)

Mars

• 06/15: Rovers: Status and accomplishments at the 1000-day mark (SFN); A Mars sunset (SFN)
• 06/08: Atmosphere: Mars has an aurora, like none other in the solar system (SFN, space)
• 06/04: Rovers: Opportunity resumes rolling freely after freeing itself from sand dune (space)
• 06/02: Future Missions: Phoenix lander mission begins launch preparations (SFN, space)
• 06/01: Meteors: Streak of light seen in March was first shooting star observed on Mars (space)
• 05/26: Orbiting Spacecraft: MGS takes pictures of Mars Express and Mars Odyssey (S&T)
• 05/13: Polar Caps: Southern one is offset from geographic pole because of local climate (space, SFN)
• 05/11: Mars Express: Engineers devise a fix to lock the 65-foot radar boom in place (SFN)
• 05/06: Rovers: Opportunity is stuck in sandy terrain (SFN); Highs and lows of the missions (SFN)
• 05/02: Mars Express: The spacecraft is about to deploy radar instruments (SFN), hits snag (SFN)
• 05/02: Mars Polar Lander: Has the lost craft been found by Mars Global Surveyor? (space, SFN)
• 04/25: Surface Features: Pictures from Mars Express show details of Aureum Chaos (space)
• 04/19: Life? Methane on Mars indicates planet may be biologically active (space)
• 04/18: Ancient Mars: Old craters are aligned along what might have been Mars' equator (space)
• 04/04: Surface: Mars Express pictures show steep and inexplicable slopes (space)
• 03/16: Geology: New evidence of recent water, glaciers and volcanoes (space); comment (space)
• 03/08: Life? Could caves be among the best places on Mars to look for life? (space)
• 02/25: Life? Poll: 25% of Mars scientists at European meeting believe life possible now (space)
• 02/24: Water: Mars Express sees a dust-covered frozen lake near the equator (S&T)
• 02/22: Life? The presence of methane in the atmosphere has scientists intrigued (space1, space2)
• 02/17: Water: Water was common across a vast region of Mars a long time ago (space)
• 02/16: Life? NASA researchers claim indirect evidence of present life on Mars (space)
• 02/15: Rovers: New type of rock on Mars provides more evidence for watery past (space, SFN)
• 02/14: Rovers: Looking back at the evidence collected on life over this past year (space)
• 02/11: Ideas: A painted solar sail might take us to Mars in just one month (space)
• 02/03: Terraforming: The way to make Mars inhabitable is to create global warming (space, SFN)
• 01/31: Surface: What is the sand on Mars like? Scientists want to know for future missions (NASA)
• 01/31: Night Glow: Mars'a atmosphere produces a faint glow similar to Earth's and Venus' (space)
• 01/20: Meteorite: Questions raised by Opportunity's finding of "Heat Shield Rock" (space, SFN)
• 01/19: Future Orbiters: NASA prepares MRO for scheduled summer launch (space)
• 01/13: Opportunity: Rover sees curious object, could be a meteorite (space); It is (space, S&T)
• 01/05: Future Rovers: Scientists are working on the Mars Science Laboratory (space, SFN)
• 01/04: Rovers: Looking back at one year of scientific data from the Spirit rover (space)
• 01/03: Rovers: The rover Spirit hits the one-year mark on Mars and is doing well (space, SFN)

Saturn and Its Moons

• 06/08: Titan: Recent flyby by Cassini spacecraft reveals possible volcano (SFN, space)
• 05/25: Titan: Unusual bright spot on the surface seen by Cassini mystifies scientists (SFN)
• 05/19: New Moon: New Cassini discovery in Keeler Gap brings the total to 50 (S&T)
• 05/10: New Moons: Cassini discovers new moon that makes waves in Saturn's rings (SFN)
• 05/07: Phoebe: Little moon formed in outer solar system and was later capured by Saturn (SFN)
• 05/04: New Moons: A dozen new moons of Saturn have been discovered; Total: 49 (S&T)
• 04/26: Enceladus: Cassini spacecraft discovers intriguing dust particles around this moon (SFN)
• 04/25: Titan: Outer layer of thick, hazy atmosphere brimming with complex hydrocarbons (SFN)
• 04/19: Rhea: Cassini sees an extended dark patch on the surfacer of this moon (SFN)
• 04/05: Titan: View from Cassini shows aspects still to be explored after Huygens' descent (SFN)
• 03/10: Titan: Cassini team reports on an active world (SFN) with dynamic atmosphere (SFN)
• 02/26: Images: Cassini taken best pictures yet (SFN, space), including radiation belt (SFN)
• 02/25: Phoebe: 24 of the largest features on this moon now have their own names (space, SFN)
• 02/24: Rings and Moons: Cassini has discovered a number of new phenomena so far (SFN)
• 02/21: Titan: Its atmosphere may come from ammonia, which also may be resurfacing it (SFN)
• 02/21: Enceladus: New view from Cassini shows more details of surface structure (SFN1, SFN2)
• 02/17: Atmosphere: The sky is blue on Saturn too, for the same reason as here (NASA)
• 02/14: Huygens: Hear the sounds captured by the probe as it descended on Titan (SFN)
• 02/11: Moons: Cassini is sending new, more detailed pictures of various moons (S&T)
• 02/09: Huygens: Radio telescopes on Earth recover lost data on Titan winds (space, SFN)
• 02/04: Weather: The planet has a strange hot spot at its south pole (SFN)
• 02/03: Titan: What we have learned so far from the Huygens probe (space); 02/18: Update (space)
• 01/27: Titan: The methane in Titan's atmosphere was not produced by life forms (space)
• 01/21: Weather: Infrared Cassini images reveal details of turbulent cloud bands (SFN)
• 01/21: Titan: Liquid methane falls like rain and forms seasonal rivers (SFN, S&T, space)
• 01/18: Huygens: The probe had a bumpy ride descending, and landed on mud (SFN, space)
• 01/16: Titan: Keck telescope observed Titan from Earth as Huygens descended (SFN)
• 01/15: Huygens: Probe loses one communication channel with Cassini, will still send data (space)
• 01/15: Titan: Huygens probe sends pictures and sounds from surface (SFN1, SFN2, NASA)
• 01/14: Huygens: Probe transmits data after safe, soft landing on Titan (NYT, space, SFN, S&T)
• 01/09: Iapetus: Cassini images help understand puzzling features on moon (SFN1, SFN2, S&T)
• 01/04: Rhea: Saturn moon shows what looks like a relatively new impact crater (SFN)

The Rest of the Solar System

• 06/14: Future Missions: NASA considers possible missions to Europa and Titan (space)
• 06/11: Deep Impact: On July 4th, the Hubble Space Telescope will be watching (space)
• 06/10: Pluto: Astronomers have reanalyzed old data on its brightness variations (S&T)
• 06/05: Jupiter Mission: NASA picks Juno mission to orbit Jupiter's poles for design (SFN, space)
• 05/31: Messenger: Mercury-bound probe takes picture of Earth and Moon (SFN)
• 05/31: Amalthea: Jupiter moon is less dense than astronomers expected (SFN)
• 05/25: Early Solar System: Past resonance between planets would explain various features (space)
• 05/24: Termination Shock: Voyager 1 has entered the edge of interstellar space (SFN, SFN)
• 04/25: Deep Impact: 69 days before encounter, spacecraft images comet (SFN); update (space)
• 04/05: Sedna: The case of the missing moon has been reportedly solved (SFN)
• 03/29: New Horizons: NASA seeks public views on nuclear-powered Pluto mission (space)
• 03/25: Deep Impact: Largest telescope ever launched into deep space is out of focus (SFN, S&T)
• 03/25: Comet Hale-Bopp: Eight years after, and 21 AU away, it still has a tail (S&T)
• 03/08: Formation: Ice may have acted as glue to help planets form overcoming the solar wind (SFN)
• 03/07: Jupiter: The planet could act as a mirror for activity on the far side of the Sun (space)
• 03/03: Chondrules: Small spheres in old meteorites may be linked to Jupiter's formation (SFN)
• 02/07: Pluto: A look back at its history, on the 75th anniversary of Pluto's discovery (SFN, space)
• 01/28: Planets X, Y, Z? Massive planetoids may have formed at hundreds of AU's (space)
• 01/27: Pluto: Charon may have formed after a collision of Pluto with a similar object (space, SFN)
• 01/26: Termination Shock: Interstellar Boundary Explorer to study edge of solar system (SFN)
• 01/25: Comets: Can you guess when SOHO will discover its 1000th comet? (space)
• 01/13: Deep Impact: The spacecraft has been launched (SFN, space), is doing well (space, SFN)
• 01/06: Deep Impact: A preview of the mission, whose launch is scheduled for Jan 12 (SFN, space)

Extrasolar Systems

• 06/13: Discovery: Red dwarf Gliese 876's weird planet is the most earthlike known (S&T, space)
• 05/28: Formation: Terrestrial planets seem to form farther from star than previously thought (SFN)
• 05/23: Star Tides: In a reversal of roles, a star is tidally locked by a planet (space)
• 05/17: Binary Stars: Planets with two suns, like Tatooine, may be common (space)
• 05/09: Anniversary: An overview of the field 10 years after the first planet discoveries (space)
• 04/30: Image: The debate about who has taken the first image of an extrasolar planet (space, S&T)
• 04/30: Image: Astronomers photograph planet outside Solar System for the first time (again?) (BBC)
• 04/20: Extrasolar Asteroids: Asteroid belt likely found around HD 69830, 41 ly away (space, S&T)
• 04/19: Orbits: Why do most known extrasolar planets have very elongated orbits? (SFN)
• 04/05: Habitable Worlds: Half of the extrasolar systems could have Earthlike planets (space)
• 04/01: Image: Astronomers have first confirmed image of planet of sunlike star (space)
, maybe.
• 03/29: Life: Dying stars may warm up frozen planets and moons enough for life (SFN, space)
• 03/22: Infrared Radiation: Astronomers see glow of two extrasolar planets (space, SFN, SFN, S&T)
• 03/07: Formation Process: How much is gravitational instability, how much core accretion? (space)
• 02/24: Orphan Planets: There could be lots of them; Can they also be home to life forms? (space)
• 02/21: Formation: Planets may form in islands of stability in the disks around stars (SFN)
• 02/09: Discoveries: With the recent additions, the tally stands at around 150 known planets (S&T)
• 02/08: Possibilities: Planets around some other stars may have a diamond core (space, SFN)
• 02/07: Discoveries: Mini system around brown dwarf, mini planet around pulsar (space, SFN1, SFN2)
• 01/24: Beta Pictoris: Bright clump in disk may be due to collision of large planetesimals (SFN)
• 01/12: Planetesimals: The material around Vega is being broken up by collisions (S&T, SFN)
• 01/10: Image: Astronomers confident they have photographed a brown dwarf planet (space, S&T)
• 01/06: Search: A brief summary of the history, status and future prospects (space)
• 12/29: Rings: Amateur astronomers may have discovered ringlike structure around TrES-1 (S&T)

Stars and Other Objects

• 06/06: Supernovas: Where is the neutron star remnant of SN 1987A? (space, SFN)
• 06/03: Brown Dwarfs: In a pecualiar binary system, the less massive component is hotter (S&T)
• 05/30: Stellar Nursery: Spitzer telescope gives detailed view of Carina Nebula stars (SFN, space)
• 05/26: GRB's: New observations provide support for collapsar model (SFN, space)
• 05/16: Stellar Nursery: Amateur astronomers image RY Tau using Gemini 8-m telescope (space, SFN)
• 05/09: Neutron Stars: XMM-Newton sees hot spots on surfaces of nearby neutron stars (SFN)
• 04/28: Binary Stars: Chandra X-ray telescope resolves stars and matter bridge between them (SFN)
• 04/26: Massive Stars: Doubts on mass estimate reopens debate on formation process (space)
• 04/17: Black Holes: Scientist says you'd be roasted if you went near a black hole (SFN)
• 04/11: Stellar Winds: Astronomers track collision between winds from binary stars (SFN)
• 04/09: Star Cluster: Astronomers see new type of "extended" cluster in Andromeda Galaxy (SFN)
• 04/07: White Dwarfs: Astronomers study old star that started burning hydrogen again, briefly (space)
• 04/04: Supernovas: Dusty wind detected for the first time from a supernova precursor star (SFN)
• 03/09: Masses: Survey indicates they don't exceed 150 solar M's in our galaxy (SFN, space, S&T)
• 03/03: General Relativity: Recently discovered binary pulsar confirms theoretical predictions (S&T)
• 03/03: Smallest Star: Astronomers have found a star that is only 16% larger than Jupiter (space)
• 03/01: Star Formation: X-ray images of R Coronae Aus show magnetic fields at work (space, SFN)
• 02/18: Magnetar: Gamma rays from 50,000 ly away shake Earth's atmosphere (space, S&T, SFN)
• 02/08: Escaping Star: A star moving at 1.5 Mmph, so fast it is leaving the Milky Way (space, SFN)
• 02/03: V838 Mon: Light continues to echo three years after stellar outburst (SFN)
• 01/31: Regulus: Bright star in Leo spins fast and moves in space like a bullet (space)
• 01/28: Magnetars: Biggest stars produce neutron stars with strongest magnetic fields (SFN, space)
• 01/19: Brown Dwarfs: AB Dor C more massive than expected, too massive (space, SFN, S&T)
• 01/17: King of Spin: The star FK Com is spinning 200 times faster than the Sun (SFN)
• 01/12: Stellar Nurseries: Spitzer telescope sees massive new stars in Trifid Nebula (SFN, space)
• 01/10: Largest Stars: The new record holders, 1500-solar radii supergiants in our galaxy (space)
• 01/10: Planetary Nebulae: Observations confirm that magnetic fields determine their shape (space)
• 01/02: Beta Ceti: Chandra images show that the giant star's corona brightens with age (SFN)

The Milky Way and Other Galaxies

• 06/20: Baby Bursts: X-ray flashes and gamma ray bursts my share a special relationship (space)
• 05/31: M31: The disk of the Andromeda Galaxy is three times larger than previously thought (space)
• 05/09: GRB's: Astronomers photograph short-duration, black-hole-forming burst (space, SFN, S&T)
• 04/09: Pancake Mystery Solved? Simulations of galaxy formation explain satellite distributions (SFN)
• 04/07: Fossil Galaxies: Some galaxies like NGC 6482 are merged ancient galaxy groups (SFN)
• 04/04: Satellite Galaxy: Recently discovered Ursa Major dwarf is our 13th known satellite (S&T)
• 03/31: NGC 1316: This giant elliptical was formed by the merger of two other galaxies (SFN)
• 03/14: Proper Motion: M33 moves much slower, as seen from here, than a snail on Mars (SFN)
• 03/12: LMC: Something is keeping its structure and magnetic field strong and ordered (SFN, space)
• 03/03: NGC 1427A: This dwarf irregular galaxy is plunging into a cluster that will destroy it (SFN)
• 02/23: Dark Galaxy: Astronomers have found one consisting almost exclusively of dark matter (space)
• 02/21: Little Big Black Hole: The one at the center of NGC 4395 is only 300,000 solar M's (space)
• 02/09: Galactic Black Holes: Computer simulations show their growth is self-regulating (space, SFN)
• 02/07: Galactic Black Holes: Jets from NGC 541's black hole spark star formation (space)
• 01/26: Galactic Center: Black hole much more active 350 yr ago; Could erupt again (SFN, space)
• 01/22: GRB's: Swift satellite images an explosion that probably led to a new black hole (SFN)
• 01/17: Small Magellanic Cloud: Hubble telescope finds infant stars in Milky Way satellite (SFN)
• 01/11: Galactic Center: Thousands of smaller black holes swarm around the central one (space, SFN)
• 01/10: Galactic Center: IR view shows that there are many old, low-mass binaries (SFN)
• 01/10: Spacetime Warping: Evidence seen in quasi-periodic oscillations of iron K lines (SFN, space)
• 01/10: Galactic Black Holes: XMM-Newton follows motion of fast-moving blobs (SFN)
• 01/05: Galactic Black Holes: Chandra sees eruption more powerful than GRB's (SFN, space)

Galaxy Clusters and the Universe

• 06/06: Quasars: Key evidence supporting theory of quasars found (SFN)
• 05/03: Dark Matter: Sloan Digital Sky Survey confirms lensing effects of dark matter (space)
• 04/19: Early Universe: Particle collider results suggests it may have behaved like a liquid (space)
• 04/18: Early Universe: Intermediate black holes may have contributed to its reheating (space, SFN)
• 04/11: Early Universe: Galaxies and massive black holes helped each other grow (space)
• 04/05: Early Universe: Early stars show that the universe evolved very quickly (space)
• 04/05: GRB's: Swift mission measures distances to two of them – both over 9 Gly (SFN)
• 04/01: Dark Energy: New proposal suggests it is not needed to explain cosmic acceleration (S&T)
• 03/22: Dark Energy: Simulations of the Local Group support presence of dark energy (space)
• 03/11: Early Universe: Even then the universe was a wildly complex and diverse place (SFN, space)
• 02/28: Expansion Rate: Is the acceleration due to gravity leaking into extra dimensions? (space)
• 02/02: Dark Matter: Some of it is in the form of intergalactic clouds of hot gas (space, SFN)
• 01/26: Early Universe: Simulations say dark matter haloes were the first structures to form (SFN)
• 01/17: Cosmic Rays: One source could be a colossal merger of two clusters of galaxies (space)
• 01/12: Large-Scale Structure: Galaxy distribution shows imprints of fluctuations (space, S&T)
• 01/11: Giant Blobs: Mysterious glowing clouds surround multiple galaxies (space, SFN)
• 01/08: Dark Matter: Lensing study shows map of clumped dark matter around galaxies (SFN)

Life, the Universe and Everything

• 06/17: Astrobiology: Creation of future center approved at the University of Arizona (SFN)
• 05/31: Gravity Waves: The strongest source may be a white dwarf binary in Cancer (S&T, SFN)
• 05/27: Time Travel: New research says wormholes can't be stable and predictable (BBC, space)
• 04/22: Nuclear Physics: Particle accelerator measures lifetime of elusive nickel isotope (S&T)
• 04/11: Astrobiology: Biennial society meeting spurs discussion of life in the universe (space)
• 04/04: Gravity Waves: Scientists describe plans for the orbiting detector LISA (SFN)
• 03/28: Black Holes: Scientist says stars collapse to dark energy stars, not black holes (Nature)
• 03/28: Extinctions: Some emerging details of the impact scenario of dinosaur extinction (space)
• 03/23: Communication: Deep Space Communications Network beams job listing to ET (space)
• 02/23: Space Colonization: Technologies are being developed for possible future use (space)
• 02/18: Science: Yes, evolution is a theory; The problem is fundamentalists and politics (livescience)
• 02/11: Space Tourism: Entrepreneurs worry about government regulations (space)
• 02/04: Pseudoscience: Despite popularity, psychic detectives fail to perform (livescience)
• 01/28: Space: Do we need to become a spacefaring civilization, and if so when? (space)
• 01/27: Space: Why do we invest resources on space exploration anyway? (space)
• 01/27: SETI: Translating alien languages may be more difficult that previously thought (space)
• 01/24: Ancient Astronomy: Long lost Hipparchus catalog was hidden in plain sight (space)
• 01/14: SETI: Current thoughts on Fermi's question, "Where is everybody?" (space)

News From Previous Semesters