Shop Windows to the Universe

Our Glaciers: Then and Now activity kit helps you see the changes taking place in glaciers around the world. See all our activity kits and classroom activities.
Picture of Suisei spacecraft
the Institute of Space and Aeronautical Science

Sakigake & Suisei

Sakigake and Suisei are nearly identical Japanese spacecrafts, designed to fly by Halley's comet and study its effects on space environment.

Sakigake was launched on Jan. 7, 1985, followed by Suisei on August 18, 1985. The two headed for Comet Halley, passing by it and returning ultraviolet images and measurements of its interaction with the solar wind. The spacecrafts were both given new directions and both were scheduled to encounter Comet Giacobini-Zinner in 1998. Suisei ran out of fuel in 1991, and contact with it has been lost. Sakigake ran out of fuel in 1995; so neither spacecraft was able to encounter Giacobini-Zinner

Since 1975, Japan has launched several satellites and interplanetary spacecrafts to the Moon and comets in our solar system, with plans to expand their lunar exploration program in the future. Through cooperative efforts involving other countries, Japanese space agencies hope to build a space station on the Moon and establish a permanent human presence there by 2030.


Last modified December 5, 2000 by Jennifer Bergman.

Shop Windows to the Universe Science Store!

Our online store includes issues of NESTA's quarterly journal, The Earth Scientist, full of classroom activities on different topics in Earth and space science, ranging from seismology, rocks and minerals, oceanography, and Earth system science to astronomy!

Windows to the Universe Community

News

Opportunities

You might also be interested in:

Cool It! Game

Check out our online store - minerals, fossils, books, activities, jewelry, and household items!...more

Missions to Halley's comet in 1986

Six spacecraft flew by Halley's comet in 1986. There were two spacecraft launched from Japan, Suisei and Sakigake, and two from the Soviet Union, Vega 1 & 2. One spacecraft, ICE, from the United States...more

Hubble Space Telescope

The Hubble Space Telescope (HST) was one of the most important exploration tools of the past two decades, and will continue to serve as a great resource well into the new millennium. The HST found numerous...more

Apollo 11

Driven by a recent surge in space research, the Apollo program hoped to add to the accomplishments of the Lunar Orbiter and Surveyor missions of the late 1960's. Apollo 11 was the name of the first mission...more

Apollo 12

Apollo 12 was launched on Nov. 14, 1969, surviving a lightning strike which temporarily shut down many systems, and arrived at the Moon three days later. Astronauts Charles Conrad and Alan Bean descended...more

Apollo 15

Apollo 15 marked the start of a new series of missions from the Apollo space program, each capable of exploring more lunar terrain than ever before. Launched on July 26, 1971, Apollo 15 reached the Moon...more

Deep Impact Mission

NASA chose Deep Impact to be part of a special series called the Discovery Program on July 7, 1999. The Discovery program specializes in low-cost, scientific projects. In May 2001, Deep Impact was given...more

Galileo

The Galileo spacecraft was launched on October 19, 1989. Galileo had two parts: an orbiter and a descent probe that parachuted into Jupiter's atmosphere. Galileo's main mission was to explore Jupiter and...more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF