Tau Herculids Meteor Shower Could Be Meteor Outburst
Due to the gravitational pull of Jupiter on the fragments and dust of comet 73P/Schwassmann-Wachmann, Earth’s orbit may be moving through a dense portion of the comet’s trail on May 31. This alignment could result in an unusually spectacular meteor outburst, and we’ll interview astronomer Pierre Martin about this possible event. Plus, a SpaceX launch that wasn’t Starlink, a new solar sail, and JWST.
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Newly Discovered Solar System Object is ‘Farfarout’
A newly found object nearly four times farther out from the Sun than Pluto now holds the record for the farthest observed in our solar system. Plus, forming super-Earths, finding potentially habitable planets, jellyfish galaxies, the Crab Nebula, and this week’s What’s Up.
Rocket Roundup for February 10, 2021
Join us for this week’s Rocket Roundup with host Annie Wilson as we look back at the launches that happened over the last week, including Yet Another Starlink and a surprise Chinese launch. Plus, updates on all those arriving Mars missions.
Betelgeuse Smaller Than Previously Calculated, Still Mystery
Scientists collected fresh data on Orion’s bright star Betelgeuse to try and understand this star that caused so much controversy last year. They found it’s smaller than previously calculated, and last year’s dimming was likely caused by dust, but it’s also more complex than thought. Plus, galaxies, Earth’s forests, ice on Mars, and Saturn’s moon Rhea.
Mystery of Mars’ Recurring Slope Lineae Possibly Solved
A new theory has been proposed that could answer the question of what causes recurring landslides on Mars: small-scale ice melting just below the surface may leave the regolith vulnerable to wind. Plus, a look at some of Earth’s ancient climate changes, a gamma-ray source, puffy galaxies, and this week’s What’s Up.
Rocket Roundup for February 3, 2021
Join us for this week’s Rocket Roundup with host Annie Wilson as we look back at the launches that happened over the last week, including that one grain silo that popped up over Boca Chica, Texas yesterday.
Magnetar Exhibits Bizarre Behavior, Identity Crisis
A radio-loud magnetar first observed in March 2020 suffered an apparent identity crisis, behaving like a pulsar until gradually settling into magnetar-like emissions in July. Plus, Mars’ moon Phobos, Jupiter’s moon Ganymede, and an interview with SETI Institute scientist Veselin Kostov about last week’s sextuple star system.