Space News Update - April 30, 2019 - In the News Departments Story 1: Astronomers discover 2,000-year-old remnant of a nova Story 2: SpaceX resupply launch delayed by malfunction on space station Story 3: Researchers Find Ice Feature on Saturn’s Giant Moon Departments The Night Sky ISS Sighting Opportunities NASA-TV Highlights Space Calendar Food for Thought Space Image of the Week

Astronomers discover 2,000-year-old remnant of a nova NASA's InSight Prepares to Take Mars' Temperature In this computer graphic, NASA's Voyager 1 probe, moving toward upper left, nears the edge of the sun's influence, flying through a region of space dominated by a "magnetic highway" that helps mediate the flow of particles into and out of the solar system. The region includes particles from the sun's southern hemisphere that have been forced northward by the pressure of the interstellar wind. Voyager 1 is expected to cross the boundary into interstellar space sometime within the next few years if not sooner. (Credit: NASA)

SpaceX resupply launch delayed by malfunction on space station

Researchers Find Ice Feature on Saturn’s Giant Moon

The Night Sky Sky & Telescope Tuesday, April 30 • Arcturus is the brightest star high in the east these evenings. Spica shines lower right of it by about three fists. To the right of Spica by half that distance is the distinctive four-star constellation of Corvus, the Crow of Spring. Wednesday, May 1 • It's May now, but wintry Sirius still twinkles very low in the west-southwest at the end of twilight. It sets soon after. How much longer into the spring can you keep Sirius in view? In other words, what will be its date of "heliacal setting" as seen by you? Thursday, May 2 • Summer is more than six weeks away, but the Summer Triangle is beginning to make its appearance in the east, one star after another. The first in view is Vega. It's already visible low in the northeast as twilight fades. Next up is Deneb, lower left of Vega by two or three fists at arm's length. Deneb takes about an hour to appear after Vega does, depending on your latitude. The third is Altair, which shows up far to their lower right around midnight. Friday, May 3 • Three zero-magnitude stars shine after dark in May: Arcturus high in the southeast, Vega much lower in the northeast, and Capella in the northwest. They appear so bright because each is at least 60 times as luminous as the Sun, and because they're all relatively nearby: 37, 25, and 42 light-years from us, respectively. Sky & Telescope

ISS Sighting Opportunities ISS For Denver: Date Visible Max Height Appears Disappears Tue Apr 30, 5:03 AM 3 min 87° 19° above SW 38° above NE Wed May 1, 4:14 AM 2 min 46° 44° above SSE 23° above ENE Thu May 2, 3:25 AM 1 min 17° 17° above E 11° above E Thu May 2, 4:58 AM 4 min 36° 17° above W 22° above NNE Fri May 3, 4:09 AM 63° 61° above WNW 29° above NE Sighting information for other cities can be found at NASA’s Satellite Sighting Information

NASA-TV Highlights (all times Eastern Time Zone) April 30, Tuesday 4 p.m. –  RNASA Space Awards Gala 2019 (All Channels) 8 p.m. – Replay of RNASA Space Awards Gala 2019 (All Channels) May 1 2:30 p.m. – Administrator Jim Bridenstine testifies before the Commerce-Justice-Science subcommittee of the Senate Appropriations Committee on NASA's FY2020 budget request (All Channels) May 2, Thursday 2 p.m. – STEM in 30: Hurricanes (All Channels) May 3, Friday 2:45 a.m. – Coverage of the launch of the SpaceX CRS-17 Dragon Cargo Craft Mission to the nternational Space Station; launch is scheduled at 3:11 a.m. ET (All Channels) 4:30 a.m. – SpaceX CRS-17 Post-Launch News Conference (time subject to change) (All Channels) 11 a.m. – SpaceCast Weekly (All Channels) Watch NASA TV online by going to the NASA website

Space Calendar JPL Space Calendar Apr 30 - Comet 250P/Larson Closest Approach To Earth (2.618 AU) Apr 30 - Comet 257P/Catalina Closest Approach To Earth (2.843 AU) Apr 30 - Comet C/2017 X1 (PANSTARRS) At Opposition (4.264 AU) Apr 30 - [Apr 30] Amor Asteroid 2019 HM3 Near-Earth Flyby (0.016 AU) Apr 30 - Asteroid 12524 Conscience Closest Approach To Earth (1.498 AU) Apr 30 - Asteroid 1157 Arabia Closest Approach To Earth (2.013 AU) Apr 30 - Kuiper Belt Object 2014 FC69 At Opposition (83.997 AU) May 01 - [Apr 27] Dragon CRS-17/ OCO-3/ STP-H6 Falcon 9 Launch (International Space Station) May 01 - [Apr 30] Apollo Asteroid 2019 HO3 Near-Earth Flyby (0.035 AU) May 01 - [Apr 30] Apollo Asteroid 2019 HW3 Near-Earth Flyby (0.041 AU) May 01 - Atira Asteroid 2013 JX28 Closest Approach To Earth (0.541 AU) May 01 - Asteroid 3953 Perth Closest Approach To Earth (1.610 AU) May 01 - Asteroid 631 Philippina Closest Approach To Earth (1.722 AU) May 01 - Asteroid 10195 Nebraska Closest Approach To Earth (2.285 AU) May 01 - 15th Anniversary (2004), Genesis, Earth Flyby May 01 - 60th Anniversary (1959), Goddard Space Flight Center Established May 01 - 70th Anniversary (1949), Gerard Kuiper's Discovery of Neptune Moon Nereid May 01-04 - [Apr 30] COSI Science Festival, Columbus, Ohio May 02 - Moon Occults Asteroid 4 Vesta May 02 - Asteroid 6790 Pingouin Closest Approach To Earth (1.200 AU) May 02 - Amor Asteroid 3122 Florence Closest Approach To Earth (1.379 AU) May 02 - Asteroid 3487 Edgeworth Closest Approach To Earth (1.563 AU) May 02 - Asteroid 2160 Spitzer Closest Approach To Earth (2.037 AU) May 02 - Amor Asteroid 1036 Ganymed Closest Approach To Earth (2.243 AU) May 02 - R. Scott Dunbar's 65th Birthday (1952) May 03 - Comet 138P/Shoemaker-Levy Perihelion (1.703 AU) May 03 - [Apr 27] Amor Asteroid 2019 HP Near-Earth Flyby (0.024 AU) May 03 - Amor Asteroid 4957 Brucemurray Closest Approach To Earth (1.066 AU) May 03 - James Hey's 110th Birthday (1909) JPL Space Calendar

Magma Is The Key To The Moon's Makeup Food for Thought Magma Is The Key To The Moon's Makeup

Space Image of the Week N11: Star Clouds of the LMC  Image Credit: NASA, ESA; Acknowledgement: Josh Lake