Månens faser under April

• 2018-03-31: Fullmåne
• 2018-04-08: Avtagande halvmåne
• 2018-04-08: Månen längst från jorden (404100 km)
• 2018-04-16: Nymåne
• 2018-04-20: Månen närmast jorden (368700 km)
• 2018-04-22: Växande halvmåne
• 2018-04-30: Fullmåne
• 2018-05-06: Månen längst från jorden (404500 km)
• 2018-05-08: Avtagande halvmåne

Kvällshimlen under April

• 2018-04-01: Månen 7° norr om Spica
• 2018-04-02: Mars 1.5° söder om Saturnus
• 2018-04-03: Månen 4° norr om Jupiter
• 2018-04-05: Månen 9° norr om Antares
• 2018-04-07: Månen 2° norr om Saturnus
• 2018-04-07: Månen 3° norr om Mars
• 2018-04-14: Månen 4° norr om Merkurius
• 2018-04-17: Månen 5° norr om Venus
• 2018-04-18: Månen 9° norr om Pleiaderna (Alcyone)
• 2018-04-19: Månen 1° norr om Aldebaran
• 2018-04-22: Månen 8° söder om Pollux
• 2018-04-22: Lyriderna i maximum, radianten 10° sydväst om Vega
• 2018-04-24: Venus 4° söder om Pleiaderna (Alcyone)
• 2018-04-24: Månen 1.5° norr om Regulus
• 2018-04-28: Månen 7° norr om Spica
• 2018-04-30: Månen 4° norr om Jupiter

Rymdfartshistoria under April

• 1968-04-04: Apollo 6
• 1991-04-05: Compton Gamma Ray Observatory
• 1973-04-06: Pioneer 11
• 1964-04-08: Gemini 1
• 1970-04-11: Apollo 13
• 1961-04-12: Vostok 1 med Jurij Gagarin
• 1972-04-16: Apollo 16
• 1967-04-23: Soyuz 1
• 1990-04-24: Hubble Space Telescope
• 1961-04-27: Explorer 11

Aktiviteter under April

• 2018-04-12: Prisföreläsningar Sjöbergpriset
• 2018-04-12: International Day of Human Space Flight

Newsfeed

• 2018-03-12: Double or Nothing: Astronomers Rethink Quasar Environment
• 2018-03-01: One Atom to Rule Them All: A New Class of Quantum Matter Observed
• 2018-03-01: Unprecedentedly Wide and Sharp Dark Matter Map
• 2018-02-26: Black Hole Blasts May Transform Mini-Neptunes into Rocky Worlds
• 2018-02-26: Powerful Flare from Star Proxima Centauri Detected with ALMA
• 2018-01-23: Stellar Embryos in Nearby Dwarf Galaxy Contain Surprisingly Complex Organic Molecules
• 2018-01-25: First gas jet detection from massive young star outside our galaxy
• 2018-01-24: Chasing dark matter with the oldest stars in the Milky Way
• 2018-01-18: Odd Behaviour of Star Reveals Lonely Black Hole Hiding in Giant Star Cluster
• 2018-01-12: Black Hole Spin Cranks-up Radio Volume
• 2018-01-11: GBT Detection Unlocks Exploration of ’Aromatic’ Interstellar Chemistry
• 2018-01-10: Astronomers Detect Whirlpool Movement in Early Galaxies
• 2017-12-22: The Toothbrush Cluster
• 2017-12-20: Giant Bubbles on Red Giant Star’s Surface
• 2017-12-20: Cosmic Filament Probes Our Galaxy’s Giant Black Hole
• 2017-12-20: Radio Observations Point to Likely Explanation for Neutron-Star Merger Phenomena
• 2017-12-19: A New Twist in the Dark Matter Tale
• 2017-12-14: Dawn of a galactic collision
• 2017-12-13: Stellar Nursery Blooms into View
• 2017-12-06: Massive Primordial Galaxies Found Swimming in Vast Ocean of Dark Matter
• 2017-11-28: ALMA Discovers Infant Stars Surprisingly Near Galaxy’s Supermassive Black Hole
• 2017-11-21: NASA Telescope Studies Quirky Comet 45P
• 2017-11-21: Uncovering the origins of galaxies halos
• 2017-11-20: ESO Observations Show First Interstellar Asteroid is Like Nothing Seen Before
• 2017-11-16: Lava or Not, Exoplanet 55 Cancri e Likely to have Atmosphere
• 2017-11-15: Closest Temperate World Orbiting Quiet Star Discovered
• 2017-11-13: Duo of Titanic Galaxies Captured in Extreme Starbursting Merger
• 2017-11-10: Jupiter’s Surprising Southern Aurora
• 2017-11-10: Winds blowing off a dying star
• 2017-11-03: ALMA Discovers Cold Dust Around Nearest Star
• 2017-10-30: Minor Merger Kicks Supermassive Black Hole into High Gear
• 2017-10-26: Small Asteroid or Comet Visits from Beyond the Solar System
• 2017-10-16: Optical/Infrared Telescopes Follow Gravitational Waves to Treasure
• 2017-10-16: Hubble observes source of gravitational waves for the first time
• 2017-10-16: Radio Eyes Unlocking Secrets of Neutron-Star Collision

2011-12-10:011 Månförmörkelse (Foto: Magnus Norden)