Månens faser under April

• 2020-03-24: Månen längst från jorden (406700 km)
• 2020-04-01: Växande halvmåne
• 2020-04-07: Månen närmast jorden (356900 km)
• 2020-04-08: Fullmåne
• 2020-04-14: Avtagande halvmåne
• 2020-04-20: Månen längst från jorden (406500 km)
• 2020-04-23: Nymåne
• 2020-04-30: Växande halvmåne
• 2020-05-06: Månen närmast jorden (359700 km)
• 2020-05-07: Fullmåne

Kvällshimlen under April

• 2020-04-02: Månen 5° söder om Pollux
• 2020-04-03: Venus 0.5° söder om Pleiaderna (Alcyone)
• 2020-04-04: Månen 4° norr om Regulus
• 2020-04-08: Månen 7° norr om Spica
• 2020-04-11: Månen 7° norr om Antares
• 2020-04-15: Månen 2° söder om Jupiter
• 2020-04-15: Månen 2° söder om Saturnus
• 2020-04-16: Månen 2° söder om Mars
• 2020-04-17: Venus 10° norr om Aldebaran
• 2020-04-21: Månen 3° söder om Merkurius
• 2020-04-22: Lyriderna i maximum, radianten 10° sydväst om Vega
• 2020-04-25: Månen 7° söder om Pleiaderna (Alcyone)
• 2020-04-26: Månen 4° norr om Aldebaran
• 2020-04-26: Månen 0.1° norr om Vesta.
• 2020-04-26: Månen 6° söder om Venus
• 2020-04-28: Venus lyser klarast
• 2020-04-29: Månen 5° söder om Pollux

Rymdfartshistoria under April

• 1960-04-01: TIROS 1, Cospar-ID 1960-002B
• 1963-04-02: Luna 4, Cospar-ID 1963-008B
• 1968-04-04: Apollo 6, Cospar-ID 1968-025A
• 1991-04-05: Compton Gamma Ray Observatory, Cospar-ID 1991-027B
• 1962-04-06: Kosmos 2, Cospar-ID 1962-009A
• 1973-04-06: Pioneer 11, Cospar-ID 1973-019A
• 1964-04-08: Gemini 1, Cospar-ID 1964-018A
• 1970-04-11: Apollo 13, Cospar-ID 1970-029A
• 1961-04-12: Vostok 1, Cospar-ID 1961-012A
• 1959-04-13: Discoverer 2, Cospar-ID 1959-003A
• 1960-04-13: Transit 1B, Cospar-ID 1960-003B
• 1959-04-14: Vanguard SLV 5, Cospar-ID VAGSL5
• 1960-04-15: Discoverer 11, Cospar-ID 1960-004A
• 2005-04-15: DART, Cospar-ID 2005-014A
• 1972-04-16: Apollo 16, Cospar-ID 1972-031A
• 1962-04-23: Ranger 4, Cospar-ID 1962-012A
• 1967-04-23: Soyuz 1, Cospar-ID 1967-037A
• 1971-04-23: Soyuz 10, Cospar-ID 1971-034A
• 1962-04-24: Kosmos 3, Cospar-ID 1962-013A
• 1961-04-25: Mercury Atlas 3, Cospar-ID MERCA3
• 1962-04-25: Saturn SA-2, Cospar-ID SATURNSA2
• 1990-04-25: Hubble Space Telescope, Cospar-ID 1990-037B
• 1962-04-26: Kosmos 4, Cospar-ID 1962-014A
• 1962-04-26: Ariel 1, Cospar-ID 1962-015A
• 1961-04-27: Explorer 11, Cospar-ID 1961-013A
• 1958-04-29: Vanguard TV5, Cospar-ID VAGT5

Aktiviteter i April

• 2020-04-05: First Contact Day
• 2020-04-12: International Day of Human Space Flight

Newsfeed

• 2020-03-27: Free-Floating Stars in the Milky Ways Bulge
• 2020-03-23: Star Formation Project Maps Nearby Interstellar Clouds
• 2020-03-19: The Strange Orbits of Tatooine Planetary Disks
• 2020-03-18: On the Origin of Massive Stars
• 2020-03-18: Black Hole Team Discovers Path to Razor-Sharp Black Hole Images
• 2020-03-11: ESO Telescope Observes Exoplanet Where It Rains Iron
• 2020-03-09: Safety Zone Saves Giant Moons from Fatal Plunge
• 2020-03-05: ALMA Spots Metamorphosing Aged Star
• 2020-02-28: Ultrared, Dusty Star-Forming Galaxies in the Early Universe
• 2020-02-20: How Newborn Stars Prepare for the Birth of Planets
• 2020-02-19: Dramatic Starbursts Hidden in Protoclusters at 12 Billion Years Ago
• 2020-02-14: Galactic Cosmic Rays Affect Titan’s Atmosphere
• 2020-02-10: Distant Giant Planets Form Differently than ’Failed Stars’
• 2020-02-07: Japanese Amateur Astronomers Discover New Nova in Sagittarius
• 2020-01-20: X-Ray Detection of a Cepheid Binary
• 2020-01-17: Outbound Comets are Likely of Alien Origin
• 2020-01-13: NASA Planet Hunter Finds its 1st Earth-size Habitable-zone World
• 2020-01-08: Cosmic Magnifying Glasses Yield Independent Measure of Universes Expansion
• 2020-01-05: Astronomers Find Wandering Massive Black Holes in Dwarf Galaxies

2019-01-21 Blodmåne (Foto: Magnus Norden)

2014-11-25 Skymning över Brunnsviken (Foto: Magnus Norden)

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