Astronomy – October 2019
18 ASTRONOMY • OCTOBER 2019 Although dozens of spacecraft have explored Mars’ surface, InSight is the first to target the planet ...
WWW.ASTRONOMY.COM 19 INTO MARS ...
20 ASTRONOMY • OCTOBER 2019 Dreaming deep Planetary scientist Bruce Banerdt, the mission’s principal investigator, has been stud ...
10 kilometers Heat shield Parachute and backshell InSight InSight Curiosity Viking 2 Spirit ELYS PL IUM ANI TIA WWW.ASTRONOMY.CO ...
Solid inner core Core Liquid outer core Mantle Crust Earth Mars The Moon Mantle Core Crust Crust 6 to 31 miles (10 to 50 km) 1,4 ...
WTS/SEIS IDA IDC Grapple TWINS RISE antenna ICC RISE antenna Heat flow probe TWINS UHF antenna HP^3 WWW.ASTRONOMY.COM 23 north o ...
W in d s p ee d (f t/ s) W in d sp e ed (^) (m /s ) June 16 0h00m June 17 0h00m June 18 0h00m P re ss ur e^ (P a ) Pr es su re ( ...
A cc e le ra ti o n (f t/ (^2) s ) Ac ce le ra ti o n (^) (m /s )^2 A cc e le ra ti o n 4 2 0 –2 –4 13 7 0 –7 –13 LOW HIGH Mars ...
26 ASTRONOMY • OCTOBER 2019 mole needs to move deeper to make higher-quality heat-f low measurements. Meanwhile, TWINS has been ...
WWW.ASTRONOMY.COM 27 mission is already making important meteorological discoveries about the current martian climate. And with ...
Take a trip to the dwarf planet where minerals and water blanket the surface, f lung there by volcanoes that spew ice. BY MICHAE ...
WWW.ASTRONOMY.COM 29 OUR SOLAR SYSTEM SHIMMERS with a host of volcanoes. Its erupting menagerie includes forms familiar to us, l ...
Crust 25 miles (40 km) thick (ice, salts, hydrated minerals) Liquid brine 37 miles (60 km) thick (water, salts) Mantle (rock, cl ...
The search continues. “It’s a hard problem because Dawn wasn’t made to study that sort of thing,” Rayman says. Not only was Hers ...
32 ASTRONOMY • OCTOBER 2019 240 million years old. The massif may have risen quite quickly, building to its current altitude of ...
WWW.ASTRONOMY.COM 33 The floor of Occator Crater contains the brightest area on Ceres. Briny deposits stand out in stark contras ...
34 ASTRONOMY • OCTOBER 2019 is small compared with terrestrial planets — on the order of 100 to 100,000 times less. Each year, t ...
WWW.ASTRONOMY.COM 35 heat. But not at Ceres. The lonely world is too far from other objects to be signifi- cantly affected by gr ...
SKY THIS MONTH Visible to the naked eye Visible with binoculars Visible with a telescope PISCES ARIES CETUS j k j j 1° N E Ura ...
October 22, 2 A.M. Looking southeast Radiant Castor Pollux Sirius Procyon Aldebaran Betelgeuse Rigel GEMINI TAURUS ORION LEPUS C ...
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